Binder_A-6_-_Manuals.pdf

Specifi cations subject to change without notice.

Chart dimensions rounded up to the nearest 1/8" (millimeters rounded up to next whole number).

ROUGH-IN DATA

2001 East Terra Lane • P.O. Box 970 • O’Fallon, Missouri 63366 (636)240-2400 • Fax (636)272-2408 • (800)325-6152 • Intl Fax# (001)636-272-7546 Parts Dept. (800)424-TRUE • Parts Dept. Fax# (636)272-9471 • www.truemfg.com

Model:

TRUE FOOD SERVICE

EQUIPMENT, INC.

Project Name:

Location:

Item #: Qty:

Model #:

AIA #

SIS #

Printed in U.S.A.

APPROVALS:T E R TION

TM

AVAILABLE AT:TRUE REFRIGERATION

MADE IN

SINCE 1945

U.S.A..S.A.

TM

U.S.A.

TBB-24GAL-48G

TBB-24GAL-48G

Model Doors

Capacity

Shelves

Cabinet Dimensions (inches)

(mm)

L D† H HP Voltage Amps

NEMA

Confi g.

Cord Length

(total ft.)

(total m)

Crated Weight

(lbs.)

(kg)

12 oz.

Cans

1/2 Barrels

TBB-24GAL-48G 2 82

6-pks

2 4 477/8

241/4

341/4

1/3 1/3

115/60/1 230-240/50/1

7.6 4.2

5-15P

2.13

† Depth does not include 13/8" (35 mm) for door handle and 1" (26 mm) for rear bumpers. ▲ Plug type varies by country.

note: Depending on tapping kit used, 1/2 barrels may not fi t.

1/07

R

True’s refrigerated back bar coolers are designed with enduring quality and value. Our commitment to using the highest quality materials and oversized refrigeration assures colder product temperatures and years of trouble free service.

Oversized, factory balanced, refrigeration system holds 33°F to 38°F (.5°C to 3.3°C).

Exterior - heavy duty, wear resistant laminated black vinyl front and sides. Matching black aluminum back. Galvanized steel top designed to slide under existing cabinetry.

Interior - 300 series stainless steel fl oor with 1/2" (13 mm) reinforced lip and heavy gauge galvanized steel walls.

NSF approved for packaged and bottled product.

Positive seal doors.

“Low-E”, double pane thermal glass door assemblies with extruded aluminum frames.

The latest in energy effi cient technology.

Patented integrated door light (IDL) system for brighter, shadow free illumination.

Entire cabinet structure is foamed-in-place using high density, CFC free, polyurethane insulation.

24" Back Bar Cooler:

Glass Door Galvanized Top

STANDARD FEATURES

Model:

TRUE FOOD SERVICE EQUIPMENT

2001 East Terra Lane • P.O. Box 970 • O’Fallon, Missouri 63366 • (636)240-2400 • Fax (636)272-2408 • (800)325-6152 • Intl. Fax# (001)636-272-7546 • www.truemfg.com

WARRANTY

One year warranty on all parts and labor and an additional 4 year warranty on compressor.

(U.S.A. only)

METRIC DIMENSIONS ROUNDED UP TO THE

NEAREST WHOLE MILLIMETER

SPECIFICATIONS SUBJECT TO CHANGE

WITHOUT NOTICE

PLAN VIEW

KCL

Model Elevation Right Plan 3D

TBB-24GAL-48G TFJX26E TFJX26S TFJX26P TFJX263

TBB-24GAL-48G

DESIGN

• True’s refrigerated back bar coolers are designed with enduring quality and value. Our commitment to using the highest quality materials and oversized refrigeration assures colder product temperatures and years of trouble free service.

REFRIGERATION SYSTEM

• Factory engineered, self-contained, capillary tube system using environmentally friendly (CFC free) 134A refrigerant.

• Extra large evaporator coil balanced with higher horsepower compressor and large condenser; maintains cabinet temperatures of 33°F to 38°F (.5°C to 3.3°C).

• Sealed, cast iron, self-lubricating evaporator fan motor(s) and larger fan blades give True merchandisers a more effi cient low velocity, high volume airfl ow design. This unique design ensures faster temperature pull down of warm product, colder holding temperatures and faster recovery in high use situations.

• Condensing unit accessed from behind front grill, slides out for easy cleaning and maintenance.

CABINET CONSTRUCTION

• Exterior - heavy duty, wear resistant laminated black vinyl front and sides.

Matching black aluminum back.

Galvanized steel top designed to slide under existing cabinetry.

• Interior - 300 series stainless steel fl oor with 1/2" (13 mm) reinforced lip and heavy gauge galvanized steel walls.

• Insulation - entire cabinet structure is foamed-in-place using high density, CFC free, polyurethane insulation.

• Welded, heavy duty galvanized base rail dipped in rust inhibiting enamel paint for corrosion protection inside and out.

DOORS

• “Low-E”, double pane thermal glass door assemblies with extruded aluminum frames. The latest in energy effi cient technology.

• Each door fi tted with 15" (381 mm) long extruded aluminum handle.

• Positive seal doors.

• Magnetic door gaskets of one piece construction, removable without tools for ease of cleaning.

SHELVING

• Four (4) adjustable, heavy duty, black PVC coated wire shelves 173/4"L x 18"D (451 mm x 458 mm). Four (4) chrome plated shelf clips included per shelf.

• Aluminum shelf support pilasters. Shelves are adjustable on 1/2" (13 mm) increments.

LIGHTING

• Fluorescent interior lighting. Each door utilizes full-length, patented, integrated door light (IDL) system. Safety shielded.

• Cabinet lighting utilizes electronic ballast and T-8 bulbs for brighter illumination, longer bulb life and increased energy effi ciency.

MODEL FEATURES

• Evaporator is epoxy coated to eliminate the potential of corrosion.

• Designed to accommodate a variety of beer kegs. Depending on tapping kit used 1/2 barrels may not fi t.

• Listed under NSF-7 for the storage and/or display of packaged or bottled product.

ELECTRICAL

• Unit completely pre-wired at factory and ready for fi nal connection to a 115/60/1 phase - 15 amp dedicated outlet. Cord and plug set included.

OPTIONAL FEATURES/ACCESSORIES

Upcharge and lead times may apply.

❒ 230 - 240V / 50 Hz.

❒ 6" (153 mm) standard legs.

❒ 6" (153 mm) seismic/fl anged legs.

❒ 21/2" (64 mm) diameter frame castors.

❒ 4" (102 mm) diameter frame castors.

❒ Additional shelves.

❒ True Trac one liter or wine bottle organizers.

❒ True Trac 12 oz. (355 ml) bottle organizers.

❒ Remote cabinets (condensing unit supplied by others; system comes standard with 404A expansion valve and requires R404A refrigerant). Consult factory technical service department for BTU information.

115/60/1

NEMA-5-15R

24" Back Bar Cooler:

Glass Door Galvanized Top

255/8" (651 mm)

1" (26 mm)

ELEVATION

477/8" (1217 mm)

2" (51 mm)

347/32" (870 mm)

PLAN VIEW

1/2" (13 mm)

195/32" (487 mm)

435/32" (1097 mm)

241/4" (616 mm)

13/8" (35 mm)

Specifications subject to change without notice.

Chart dimensions rounded up to the nearest 1/8" (millimeters rounded up to next whole number).

Rough-In Data

2001 East Terra Lane • O’Fallon, Missouri 63366 (636)240-2400 • Fax (636)272-2408 • (800)325-6152 • Intl Fax# (001)636-272-7546 Parts Dept. (800)424-TRUE • Parts Dept. Fax# (636)272-9471 • www.truemfg.com

Model:

TRUE FOOD SERVICE

EQUIPMENT, INC.

Project Name:

Location:

Item #: Qty:

Model #:

AIA #

SIS #

Printed in U.S.A.

ApprovAls: AvAilAble At:

TR3R-3S

TR Spec Series:

Reach-In Solid Swing Door Refrigerator

TR3R-3S

Designed using the highest � quality materials and components to provide the user with colder product temperatures, lower utility costs and exceptional food safety.

Oversized, factory balanced, � refrigeration system holds 33°F to 38°F (.5°C to 3.3°C) for the best in food preservation.

300 series stainless steel exterior � and interior. The very finest stainless with higher tensile strength for fewer dents and scratches.

Equipped with one (1) interior � kit option per section, factory installed. Four (4) different interior kits available.

Positive seal self-closing door(s) � with 120°stay open feature.

Lifetime guaranteed door hinges.

Lifetime guaranteed recessed � door handle(s).

Entire cabinet structure and � solid doors are foamed-in-place using Ecomate. A new, innovative, high density, polyurethane insulation that has zero ozone depletion potential (ODP) and zero global warming potential (GWP).

* Height does not include 5" (127 mm) for castors, 6" (153 mm) for optional legs, and 1" (26 mm) for system mechanical components. ▲Plug type varies by country.

Model Doors

Cabinet Dimensions (inches)

(mm)

HP Voltage Amps

NEMA

Config.

Cord Length

(total ft.)

(total m)

Crated Weight

(lbs.)

(kg)L D H*

TR3R-3S 3 761/2 345/8 781/4 1/2 115/60/1 11.8 5-15P 9 770

1944 880 1988 3/4 230-240/50/1 7.8 ▲ 2.74 350

TRUE REFRIGERATION

MADE IN

SINCE 1945

U.S.A.

6/10

StanDaRD FeatuReS

Model:

TRUE FOOD SERVICE EQUIPMENT

2001 East Terra Lane • O’Fallon, Missouri 63366 • (636)240-2400 • Fax (636)272-2408 • (800)325-6152 • Intl. Fax# (001)636-272-7546 • www.truemfg.com

METRIC DIMENSIONS ROUNDED UP TO THE

NEAREST WHOLE MILLIMETER

SPECIFICATIONS SUBJECT TO CHANGE

WITHOUT NOTICE

Plan VIew

KCL

TR3R-3S

DESIGN

True’s solid door reach-in’s are designed with • enduring quality that protects your long term investment.

Designed using the highest quality materials and • components to provide the user with colder product temperatures, lower utility costs and exceptional food safety.

REFRIGERATION SYSTEM

Factory engineered, self-contained, capillary tube • system using environmentally friendly (CFC free) 134A refrigerant.

Extra large evaporator coil balanced with higher • horsepower compressor and large condenser maintains cabinet temperatures of 33°F to 38°F (.5°C to 3.3°C) for the best in food preservation.

Sealed, cast iron, self-lubricating evaporator fan • motor(s) and larger fan blades give True reach-in’s a more efficient low velocity, high volume airflow design. This unique design ensures faster temperature recovery and shorter run times in the busiest of foodservice environments.

Top mounted refrigeration system with evaporator • positioned out of food zone to maximize capacity.

Hot gas condensate for energy efficiency.•

CABINET CONSTRUCTION

Exterior - 300 series stainless steel door(s), front, • sides, back and bottom.

Interior - 300 series stainless steel liner and floor.• Insulation - entire cabinet structure and solid • doors are foamed-in-place using Ecomate. A new, innovative, high density, polyurethane insulation that has zero ozone depletion potential (ODP) and zero global warming potential (GWP).

Welded, heavy duty steel frame rail, black powder • coated for corrosion protection.

Frame rail fitted with 4" (102 mm) diameter stem • castors - locks provided on front set.

DOORS

300 series stainless steel exterior and liners. Doors • open within cabinet dimension.

Door locks standard.• Lifetime guaranteed recessed door handles. Each • door fitted with 12" (305 mm) long recessed handle that is foamed-in-place with a sheet metal interlock to ensure permanent attachment.

Positive seal self-closing doors with 120° stay open • feature (center doors have 90° stay open feature).

Lifetime guaranteed door hinges.

Magnetic door gasket(s) of one piece construction, • removable without tools for ease of cleaning.

SHELVING

One (1) factory installed interior kit option per • section. Four (4) different interior kits available (see Kit Options). Pilasters and tray slides are factory installed at no charge.

LIGHTING

Incandescent interior lighting, safety shielded.•

MODEL FEATURES

Exterior digital temperature display, available with • either °F or °C.

Evaporator epoxy coated to eliminate the potential • of corrosion NSF-7 compliant for open food product.•

ELECTRICAL

Unit completely pre-wired at factory and ready • for final connection to a 115/60/1 phase, 15 amp dedicated outlet. Cord and plug set included.

OPTIONAL FEATURES/ACCESSORIES

Upcharge and lead times may apply.

230 - 240V / 50 Hz. ❑ 6" (153 mm) standard legs. ❑ 6" (153 mm) seismic/flanged legs. ❑ 6" (153 mm) stainless steel legs. ❑ Stainless steel rail skirt for use with legs (field ❑ installed).

Metal door handle(s) (factory installed). ❑

Electronic temperature control (factory installed). ❑ Correctional facilities options. ❑ Curb mountable units. ❑ Remote cabinets (condensing unit supplied by ❑ others; system comes standard with 404A expansion valve and requires R404A refrigerant). Consult factory technical service department for BTU information. All remote units must be hard wired during installation.

Kit #1: Nine (9) sets of #1 type tray slides and pilasters ❑ (factory installed), bottom support of one (1) 18"L x 26"D (458 mm x 661 mm) pan or two (2) 14"L x 18"D (356 mm x 458 mm) pans.

Kit #2: One (1) set half-section #2 steel rod tray slides ❑ and pilasters (factory installed), rim support of one

(1) 18"L x 26"D (458 mm x 661 mm) pan.

Kit #3: Six (6) sets of universal type tray slides and ❑ pilasters (factory installed), bottom support of one

(1) 18"L x 26"D (458 mm x 661 mm) pan, two (2) 14"L x 18"D (356 mm x 458 mm) pans or two (2) 12"L x 20"D (305 mm x 508 mm) pans.

Kit #4: Three (3) chrome shelves. Right and left door ❑ shelf dimensions are 23 1/2"L x 27 3/4"D (597 mm x 705 mm). Center door shelf dimensions are 25"L x 27 3/4"D (635 mm x 705 mm). Four (4) shelf supports included per shelf (factory installed); adjustable on 6" (153 mm) increments. Optional wall mounted shelf support pilasters (factory installed) with four (4) shelf clips per shelf available; adjustable on 1/2" (13 mm) increments.

Additional kit option components available ❑ individually. Upcharge applies.

TR Spec Series:

Reach-In Solid Swing Door Refrigerator

Model Elevation Right Plan 3D Back

TR3R-3S TFQY57E TFQY157S TFQY157P TFQY1573

WARRANTY

One year warranty on all parts and labor and an additional 4 year warranty on compressor.

(U.S.A. only)

CUBIC FEET 85

* Based on ANSI/AHAM HRF-1-2004

A product of VULCAN-HART LOUISVILLE, KY 40201-0696 F25121(February 2003)

- NOTICE -

This Manual is prepared for the use of trained Vulcan Service Technicians and should not be used by those not properly qualified. If you have attended a Vulcan Service School for this product, you may be qualified to perform all the procedures described in this manual.

This manual is not intended to be all encompassing. If you have not attended a Vulcan Service School for this product, you should read, in its entirety, the repair procedure you wish to perform to determine if you have the necessary tools, instruments and skills required to perform the procedure. Procedures for which you do not have the necessary tools, instruments and skills should be performed by a trained Vulcan Service Technician.

Reproduction or other use of this Manual, without the express written consent of Vulcan, is prohibited.

VG40 SHOWN

SERVICE MANUAL

GAS BRAISING PANS

(30 & 40 GALLON)

VG30 ML-126847

VG40 ML-126848

For additional information on Vulcan-Hart Company or to locate an authorized parts and service provider in your area, visit our website at www.vulcanhart.com.

GAS BRAISING PANS

F25121 (February 2003) Page 2 of 32

TABLE OF CONTENTS

GENERAL

Installation, Operation and Cleaning Introduction

Control Panel Model Designations

Tools Specifications

REMOVAL AND REPLACEMENT OF PARTS

Covers and Panels Power Supply Box Components Temperature Controller Pan Position/Down Limit Switch Thermocouple Probe DC Lift Motor Gear Reducer Gas Combination Valve Pilot Burner Runner Tube Main Burners Lid Springs

SERVICE PROCEDURES AND ADJUSTMENTS

Temperature Controller Calibration Temperature Controller Test Thermocouple Test Spark Ignition Test Pilot Burner Flame Adjustment Flame Sense Current Test Ignition Control Module Test Gas Manifold Pressure Adjustment Main Burners

Inspection Air Shutter Adjustment

DC Motor Controller Test Pan Position/Down Limit Switch Adjustment Lid Spring Tension Adjustment

ELECTRICAL OPERATION

Component Function Component Location Ignition Control Module Sequence of Operation Schematic Diagram

TROUBLESHOOTING

Gas Heating (Manual Lift or Motorized Lift Option) Motorized Lift Option Only

CONDENSED SPARE PARTS LIST

© VULCAN 2003

GAS BRAISING PANS

F25121 (February 2003)Page 3 of 32

GENERAL

INSTALLATION, OPERATION

AND CLEANING

Refer to the Installation & Operation Manual for specific instructions.

INTRODUCTION

The tilting braising pan (skillet) is a versatile piece of cooking equipment. It can be used to stew, simmer, steam, sear, pan fry, grill or saute food products over an evenly distributed heating surface. Once the product is fully cooked, the pan can be tilted for ease of product removal.

Control Panel

Model Designations ! VG30 - 30 gallon capacity

! VG40 - 40 gallons capacity

TOOLS

Standard ! Standard set of hand tools.

! VOM with an AC current tester and DC micro amp current tester capable of measuring 0-10 micro amps.

NOTE: Any quality VOM with a sensitivity of 20,000 ohms per volt can be used.

! U-Tube Manometer.

! Temperature tester (thermocouple type) with surface probe.

Special ! 1 5/8" open end wrench. Used for removing lid springs and adjusting lid spring tension.

! Field service grounding kit P/N TL- 84919.

! RTV sealant Dow Corning 732 or equivalent.

Used for sealing the slot in top cover for the gas combination valve.

! Pipe thread sealant suitable for natural and propane gases.

SPECIFICATIONS

MODEL

INPUT

BTU/HR

MANIFOLD

PRESSURE

(INCHES W.C.)

LINE PRESSURE

(INCHES W.C.)

AMPS (MAX)

@ 120V/60HZNATURAL PROPANE

NAT. PROP. NAT. PROP. RECOMMEND MIN RECOMMEND MIN MAX

VG30 90,000 90,000 3.7 10.0 7.0 5.0 11.0 11.0 14.0

3.0

VG40 120,000 120,000 3.7 10.0 7.0 5.0 11.0 11.0 14.0

GAS BRAISING PANS - REMOVAL AND REPLACEMENT OF PARTS

F25121 (February 2003) Page 4 of 32

REMOVAL AND REPLACEMENT OF PARTS

COVERS AND PANELS

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE

MACHINE AND FOLLOW LOCKOUT /

TAGOUT PROCEDURES.

Front, Rear & Side Panels

1. Lift up on the bottom edge of panel until it clears the catch.

2. Tilt outwards and allow the panel to drop down.

3. Reverse procedure to install.

Control Panel

1. Remove front panel.

2. Disconnect conduit from control box.

3. Remove manual lift crank handle (if installed).

4. Remove bolts securing control panel to braising pan frame. Bolts are recessed in the frame channel.

5. Tilt bottom of control panel outwards and pull down.

NOTE: The control panel should be supported to remove lead wire strain.

6. Remove control box from control panel.

7. Disconnect lead wires from control switch.

F25121 (February 2003)Page 5 of 32

8. Pull temperature dial from potentiometer shaft and remove mounting nut.

9. Control panel is removed.

10. To install.

A. Align tab on potentiometer with positioning bracket on panel.

B. Install mounting nut and tighten.

C. Adjust stop nut on potentiometer body (as necessary) to ensure a water tight seal on mounting nut.

D. Attach temperature dial.

11. Reverse procedure from step 6 to complete the installation.

12. Check calibration as outlined under

TEMPERATURE CONTROLLER

CALIBRATION.

POWER SUPPLY BOX

COMPONENTS

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE

MACHINE AND FOLLOW LOCKOUT /

TAGOUT PROCEDURES.

CAUTION: Certain components in this system are subject to damage by electrostatic discharge during field repairs. A field service grounding kit is available to prevent damage. The field service grounding kit must be used anytime a control board is handled.

1. Remove front panel as outlined under

COVERS AND PANELS.

2. Remove power supply box cover.

3. Remove the component being replaced.

4. Reverse procedure to install the replacement component then check for proper operation.

TEMPERATURE CONTROLLER

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE

MACHINE AND FOLLOW LOCKOUT /

TAGOUT PROCEDURES.

1. Remove control box from the control panel as outlined under COVERS AND PANELS.

2. Disconnect lead wires from temperature controller.

3. Remove temperature controller from control box.

F25121 (February 2003) Page 6 of 32

LEFT SIDE VIEW SHOWN

4. Pull temperature dial from potentiometer shaft and remove mounting nut.

5. To install:

A. Align tab on potentiometer with positioning bracket on panel.

B. Install mounting nut and tighten.

C. Adjust stop nut on potentiometer body (as necessary) to ensure a water tight seal on mounting nut.

D. Attach temperature dial.

6. Reverse procedure from step 3 to complete the installation.

7. Check calibration as outlined under

TEMPERATURE CONTROLLER

CALIBRATION.

PAN POSITION/DOWN LIMIT

SWITCH

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE

MACHINE AND FOLLOW LOCKOUT /

TAGOUT PROCEDURES.

1. Remove front and left side panels as outlined under COVERS AND PANELS.

2. Disconnect conduit and remove pan position/down limit switch from switch mounting bracket.

3. Remove cover from switch.

4. Disconnect lead wires and pull wires thru conduit elbow assembly.

5. Remove conduit elbow assembly from switch.

F25121 (February 2003)Page 7 of 32

TOP VIEW SHOWN

SIDE VIEW SHOWN

NOTE: When installing, replace the o-ring seal (provided) inside the brass fitting and re-use conduit elbow assembly.

6. To install:

A. Position the switch with the head pointing toward installer and gear cam pointing up.

NOTE: The plunger on the head is spring loaded and will push the head away from switch body when the last screw is removed.

B. Remove screws securing the head to switch body, rotate 90° clockwise and tighten screws to secure.

C. Place switch on its side with the head to the left and gear cam pointing up.

D. Align roller arm adaptor with the four locking tabs pointing up and position one of the tabs at 0°.

NOTE: The 0° position of the roller arm locking tab is the starting point for alignment only. The locking tab cannot remain at the 0° position.

E. Place roller arm adaptor on the gear cam to engage the teeth. Lift the adaptor until the teeth just slightly disengage from the gear cam. Rotate the roller arm adaptor counterclockwise 1 tooth, re-engage teeth and release the adaptor.

F. Align the roller arm slots with the four locking tabs on the roller arm adaptor and tighten mounting screw to secure.

F25121 (February 2003) Page 8 of 32

G. Verify roller arm position on switch.

1) Measure the distance from the rear of the switch body to the center of the roller. The distance should be 3".

H. If distance is ok, proceed to step 7.

I. If distance is not ok, adjust the roller arm position (as necessary) to obtain the 3" roller arm dimension.

7. Reverse procedure from step 5 to complete the installation.

8. Adjust pan position/down limit switch on switch mounting bracket as outlined under PAN POSITION SWITCH ADJUSTMENT in

SERVICE PROCEDURES AND

ADJUSTMENTS.

THERMOCOUPLE PROBE

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE

MACHINE AND FOLLOW LOCKOUT /

TAGOUT PROCEDURES.

1. Access temperature controller as outlined under

TEMPERATURE CONTROLLER .

2. Disconnect thermocouple lead wires.

3. Raise the pan to the full tilt position.

4. Remove insulation cover bracket.

5. Loosen lock nut and remove threaded probe from pan.

F25121 (February 2003)Page 9 of 32

VG30 REAR VIEW SHOWN

6. Reverse procedure to install and check for proper operation.

NOTE: When installing: Route thermocouple wire in the same manner thru the metal clamps on the hinge & frame. Tighten thermocouple just until it touches the pan; do not over tighten or damage to the thermocouple may occur.

DC LIFT MOTOR

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE

MACHINE AND FOLLOW LOCKOUT /

TAGOUT PROCEDURES.

1. Remove front, rear and right side panels as outlined under COVERS AND PANELS.

2. Remove power supply box cover.

3. Disconnect DC lift motor lead wires labeled MTR+ (positive) & MTR - (negative).

NOTE: Lead wires can be identified by label or marking on the wire.

4. Loosen the strain relief nut and the hold down clamps for the motors' power cable. Pull the cable thru the strain relief opening and remove the cable form underneath the clamps.

5. Remove motor mounting bolts from gear reducer flange.

6. Remove motor from gear reducer.

F25121 (February 2003) Page 10 of 32

7. To install:

A. With drive key on shaft, install motor to gear reducer.

B. Route and secure the motors' power cable and re-connect motor lead wires.

C. Replace power supply box cover and side panels.

8. Check for proper operation.

GEAR REDUCER

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE

MACHINE AND FOLLOW LOCKOUT /

TAGOUT PROCEDURES.

1. Remove right side and rear panels as outlined under COVERS AND PANELS.

2. Lower the pan (use motorized pan lift or manual crank).

3. If DC lift motor is installed, remove motor as outlined under DC LIFT MOTOR.

4. Remove lock nut securing crank assembly to lift arm.

5. Remove bolts securing gear reducer to braising pan frame then remove gear reducer.

6. Loosen set screw on crank assembly and remove the assembly from drive shaft.

7. Loosen set screw on shaft extension coupling and remove the coupling from manual crank shaft.

8. To install:

A. With drive key on drive shaft, install crank assembly and tighten set screw against key.

B. With drive key on manual crank shaft, install shaft extension coupling and tighten set screw against key.

C. Place gear reducer in its mounting location on frame. Position gear reducer so the shaft extension coupling is aligned with the opening in control panel; and the lift arm is vertical and parallel to the crank assembly when connected.

F25121 (February 2003)Page 11 of 32

NOTE: On the bottom lift arm bushing, the bushing head must be positioned between the lift arm and the crank assembly to create approximately 1/32" spacing.

9. Reverse procedure from step 5 to complete the installation.

10. Check for proper operation.

GAS COMBINATION VALVE

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE

MACHINE AND FOLLOW LOCKOUT /

TAGOUT PROCEDURES.

WARNING: SHUT OFF THE GAS SUPPLY

BEFORE SERVICING THE UNIT.

WARNING: ALL GAS JOINTS DISTURBED

DURING SERVICING MUST BE CHECKED FOR

LEAKS. CHECK WITH A SOAP AND WATER

SOLUTION (BUBBLES). DO NOT USE AN OPEN

FLAME.

1. Remove front, rear and left side panels as outlined under COVERS AND PANELS.

2. Remove screw from the top cover of gas combination valve box.

3. Remove silicone sealant around the gas pipe and the slot in top cover then remove the cover.

NOTE: When installing, clean the areas and apply silicone sealant.

4. Remove U-bolt securing gas valve box to gas pipe then remove box.

5. Disconnect lead wires from gas combination valve.

6. Disconnect pilot tube from gas combination valve.

7. Separate gas pipe union (near manifold), remove U-bolt securing gas pipe to braising pan frame (at rear of pan) then remove the gas combination valve and piping assembly.

8. Remove pipe from gas combination valve.

9. Reverse procedure to install.

NOTE: When installing, clean gas pipe threads and apply pipe joint compound to threads. Any pipe joint compound used must be resistant to the action of propane gases.

F25121 (February 2003) Page 12 of 32

10. Check for proper operation.

PILOT BURNER

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE

MACHINE AND FOLLOW LOCKOUT /

TAGOUT PROCEDURES.

WARNING: SHUT OFF THE GAS SUPPLY

BEFORE SERVICING THE UNIT.

WARNING: ALL GAS JOINTS DISTURBED

DURING SERVICING MUST BE CHECKED FOR

LEAKS. CHECK WITH A SOAP AND WATER

SOLUTION (BUBBLES). DO NOT USE AN OPEN

FLAME.

1. Raise the pan to the full tilt position.

2. Remove pilot burner mounting bracket from the burner box pan.

3. Disconnect ignitor cable from ignitor/flame sense electrode on the pilot burner.

4. Remove pilot burner from pilot mounting bracket.

5. Disconnect pilot tube from pilot burner.

6. To remove gas orifice from pilot burner for inspection or cleaning, disconnect the pilot tube compression fitting from pilot burner body.

A. The gas orifice is inserted into pilot burner body and should drop out when compression fitting is removed. If necessary, lightly tap on pilot burner body to free the gas orifice.

CAUTION: If orifice is clogged with debris, clean with air or non-flammable liquid only.

7. Reverse procedure to install and check for proper operation.

RUNNER TUBE

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE

MACHINE AND FOLLOW LOCKOUT /

TAGOUT PROCEDURES.

WARNING: SHUT OFF THE GAS SUPPLY

BEFORE SERVICING THE UNIT.

WARNING: ALL GAS JOINTS DISTURBED

DURING SERVICING MUST BE CHECKED FOR

LEAKS. CHECK WITH A SOAP AND WATER

SOLUTION (BUBBLES). DO NOT USE AN OPEN

FLAME.

1. Raise the pan to the full tilt position.

2. Loosen screw on each runner tube clamp and rotate the clamp away from runner tube.

3. Lift runner tube from mounting bracket and off of the gas orifice.

F25121 (February 2003)Page 13 of 32

RIGHT SIDE REAR VIEW SHOWN

NOTE: Runner tube slides onto the gas orifice.

When installing, ensure runner tube is fully seated onto gas orifice.

4. To remove gas orifice for inspection or cleaning, disconnect the gas supply tube compression fitting at the manifold.

5. Remove gas orifice from elbow fitting.

CAUTION: If orifice is clogged with debris, clean with air or non-flammable liquid only.

6. Reverse procedure to install and check for proper operation.

MAIN BURNERS

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE

MACHINE AND FOLLOW LOCKOUT /

TAGOUT PROCEDURES.

WARNING: SHUT OFF THE GAS SUPPLY

BEFORE SERVICING THE UNIT.

WARNING: ALL GAS JOINTS DISTURBED

DURING SERVICING MUST BE CHECKED FOR

LEAKS. CHECK WITH A SOAP AND WATER

SOLUTION (BUBBLES). DO NOT USE AN OPEN

FLAME.

1. Raise the pan to the full tilt position.

2. Remove the hold down wire from main burner.

3. Lift burner at rear to clear the locating pin hole and slide burner toward the rear of burner box pan to clear the orifice.

4. To remove gas orifice for inspection or cleaning, remove the gas orifice from the elbow fitting.

CAUTION: If orifice is clogged with debris, clean with air or non-flammable liquid only.

5. Reverse procedure to install and adjust air shutter as outlined under MAIN BURNERS.

NOTE: When installing, ensure locating pin is in the hole for proper positioning and hold down wire is re-attached.

LID SPRINGS

WARNING: DISCONNECT THE

ELECTRICAL POWER TO THE

MACHINE AND FOLLOW LOCKOUT /

TAGOUT PROCEDURES.

1. Lower the lid to the full down position.

NOTE: For spring tension to be set correctly, both the left and right side springs must be replaced.

2. Remove spring covers by prying up at the bottom. The covers are held in place by tabs on the bottom of cover.

3. Place a 1 5/8" wrench on the lid spring lock nut and apply a downward force until locking pin can be removed. Continue to hold lock nut in place.

Caution: Do not release wrench while locking pin is removed or damage to the braising pan may occur.

F25121 (February 2003) Page 14 of 32

A. Slowly release downwards force to remove spring tension.

B. Rotate lid spring lock nut to the next hole position then replace locking pin. Continue until all spring tension is removed, one position at a time.

C. Remove bolts securing the inside lid bearing housing to the lid support bracket.

D. Remove lid bearing housing, lid spring lock nut and the spring, from spring mandrel.

4. To install:

A. Slide the spring onto the lid spring mandrel. Insert spring into locator hole on the lid spring retainer.

B. Slide the lid spring lock nut onto the lid spring mandrel. Insert spring into locator hole on the lid spring lock nut.

C. Replace lid bearing housing.

5. Replace spring on the opposite side.

6. Adjust spring tension as outlined under LID

SPRING TENSION ADJUSTMENT IN

SERVICE PROCEDURES AND

ADJUSTMENTS.

GAS BRAISING PANS - SERVICE PROCEDURES AND ADJUSTMENTS

F25121 (February 2003)Page 15 of 32

SERVICE PROCEDURES AND ADJUSTMENTS

WARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRE ELECTRICAL TEST OR MEASUREMENTS WHILE POWER IS APPLIED TO THE MACHINE. EXERCISE EXTREME CAUTION AT ALL TIMES. IF TEST

POINTS ARE NOT EASILY ACCESSIBLE, DISCONNECT POWER AND FOLLOW LOCKOUT / TAGOUT

PROCEDURES, ATTACH TEST EQUIPMENT AND REAPPLY POWER TO TEST.

TEMPERATURE CONTROLLER

CALIBRATION

NOTE: Verify condition of thermocouple as outlined under THERMOCOUPLE TEST before proceeding.

1. At the geometric center on the pan cooking surface, clean an area approximately 3" inches in diameter.

2. Apply a thin layer of fresh cooking oil to the cleaned area and place a temperature sensing disk on the pan cooking surface.

3. Turn on/off switch on and set temperature dial to 250°F.

4. Monitor the heat light (red) on the control panel.

When temperature controller is calling for heat, light will be on. If temperature controller is satisfied, light will be off.

A. Allow the temperature controller to cycle three times to stabilize the pan temperature.

B. Record the temperature when the temperature controller cycles off and on for the next three cycles.

5. Calculate the differential by subtracting the temperature indicated when heat light goes out from temperature indicated when heat light comes on.

A. The differential calculated should be less than 20°F.

1) If the differential is less than 20°F, temperature controller is functioning properly.

a. Proceed to average temperature.

2) If the differential is more than 20°F, the temperature controller is malfunctioning.

a. Install a replacement temperature controller and check calibration.

6. Calculate the average temperature by adding the temperature indicated when the heat lamp goes out to the temperature indicated when the heat lamp comes on & divide this answer by 2.

A. If the average temperature is less than 10°F of the dial setting, temperature controller is properly calibrated.

B. If the average temperature is more than 10°F of the dial setting, temperature controller calibration must be adjusted.

7. Using the temperature scale on the overlay as a guide, align the edge on a short piece of tape to the temperature calculated in step 6 and apply tape to knob as a reference point.

8. Remove temperature dial from shaft.

9. Loosen screws on the back of dial.

A. Hold the knob and rotate dial to the edge of the tape used for reference. This adjustment offsets the indicated temperature on the dial to the actual temperature measured.

NOTE: With knob facing user, a clockwise rotation increases temperature and a counter-clockwise rotation decrease temperature.

B. Hold the dial & knob together to maintain the adjusted setting and tighten screws.

10. Replace temperature dial on shaft.

11. Turn the temperature dial to the lowest setting then back to 250°F.

F25121 (February 2003) Page 16 of 32

12. Repeat the average temperature calculation for up to three attempts. Allow the pan to cycle at least two times between adjustments before performing the calculation.

13. If calibration is unsuccessful, the controller may be malfunctioning and cannot be adjusted properly. Install a replacement temperature controller and check calibration.

TEMPERATURE CONTROLLER

TEST

NOTE: The controller is powered whenever supply power is connected to the machine.

1. Lower the pan to the full down position.

2. Access the temperature controller as outlined in

REMOVAL AND REPLACEMENT OF PARTS.

3. Re-connect power to the machine.

4. Verify temperature controller is receiving 120VAC at terminals L1 & L2, polarity is correct and machine is properly grounded.

5. Turn on/off switch on and set temperature dial to 250/F.

6. Verify heat light (red) comes on and main burners light.

A. If heat light and main burners come on but turn off within 10 seconds, verify condition of thermocouple as outlined under

THERMOCOUPLE TEST.

NOTE: Temperature controller will de-energize internal relay if the circuitry detects an open thermocouple.

B. If heat light and main burners do not come on, verify internal relay "HEAT" contacts are operating properly.

7. Disconnect lead wire labeled "HT.0" from the COM terminal on the controller.

8. Verify 24VAC between the disconnected "HT.0" lead wire and ground.

A. If correct, re-connect lead wire to COM terminal and proceed to step 9.

B. If incorrect, check transformer and the on/off switch for proper operation.

9. Disconnect lead wire labeled "HT.1" from the N.O. terminal on the controller.

10. Verify 24VAC between N.O. terminal on the temperature controller and ground.

A. If correct, internal relay "HEAT" contacts are functioning properly. Reconnect lead wire to the N.O. terminal.

B. If incorrect, install a replacement temperature controller and check for proper operation.

THERMOCOUPLE TEST

1. Access the temperature controller as outlined in REMOVAL AND REPLACEMENT OF

PARTS.

2. Remove thermocouple lead wires from temperature controller.

3. Check the thermocouple for resistance.

A. If meter reads an overload (OL) condition (open), or zero ohms (short) replace the thermocouple and check temperature controller for proper operation.

4. If resistance is measured, thermocouple is good.

F25121 (February 2003)Page 17 of 32

SPARK IGNITION TEST

If the ignition control module is not generating a spark or the spark is not sufficient to light pilot burner, perform the following test.

1. Lower the pan to the full down position, turn the on/off switch on and set the temperature dial to call for heat.

2. Verify the ignition control module is receiving 24VAC between terminals 5 & 6.

A. If voltage is present, turn the on/off switch off and proceed to step 3.

B. If voltage is not present, see schematic diagram.

3. Disconnect power to the machine.

WARNING: SHUT OFF THE GAS SUPPLY

BEFORE SERVICING THE UNIT.

WARNING: ALL GAS JOINTS DISTURBED

DURING SERVICING MUST BE CHECKED FOR

LEAKS. CHECK WITH A SOAP AND WATER

SOLUTION (BUBBLES). DO NOT USE AN OPEN

FLAME.

4. Verify all electrical connections (including ground) on the ignition control module are secure.

5. Access the pilot burner as outlined in

REMOVAL AND REPLACEMENT OF PARTS.

6. Verify the ground connection on pilot burner mounting bracket is clean and secure. The pilot burner should have good metal to metal contact to the pilot mounting bracket.

7. Remove pilot burner and check the following:

A. Inspect the ceramic insulator on the ignitor/flame sense electrode for cracks or evidence of exposure to extreme heat, which can permit leakage to ground. If either of these conditions exist, then install a replacement pilot burner.

B. Inspect the ignitor electrode and ground clip for contaminates, or corrosion. Clean those surfaces as necessary.

C. The spark gap between the ignitor/flame sense electrode and the ground clip should be 0.120" ± 0.020". If the gap is outside of this dimension, bend the ground clip as necessary, to make the adjustment.

D. Check the ignitor cable connection for tightness and damaged insulation. If the ignitor cable appears to be damaged, then install a replacement ignitor cable.

8. Install pilot burner and connect ignitor cable.

9. Disconnect main valve (MV) lead wire from terminal 1 on the ignition control module.

NOTE: Removal of lead wire prevents main burners from lighting with the pan raised and the pan position/down limit switch manually operated.

10. Reconnect power to the machine and turn the gas supply on.

F25121 (February 2003) Page 18 of 32

11. Turn on/off switch on and set the temperature dial to call for heat.

12. Manually operate pan position/down limit switch and observe spark from ignitor.

A. If spark from ignitor is present and lights the gas for pilot burner, and pilot burner remains lit, then the system is working properly.

B. If pilot burner lights but does not maintain an adequate flame during the trial for ignition (90 seconds):

1) Check pilot burner orifice for clogging.

CAUTION: If orifice is clogged with debris, clean with air or non-flammable liquid only.

2) Check pilot burner flame adjustment as outlined under SERVICE

PROCEDURES AND

ADJUSTMENTS.

C. If spark from ignitor is present but does not light the pilot gas before ignition control module locks out, there may not be enough gas in the supply line for ignition.

Release the pan position/down limit switch to remove power and re-set the module.

Wait 5 minutes between ignition tries for unburned gas to vent.

Manually operate pan position/down limit switch and sparking should resume. The module may need to be re-set several times before ignition takes place.

1) If pilot burner ignition is successful, release the pan position/down limit switch, turn the on/off switch to off and re-connect main valve (MV) lead wire on the ignition control module.

D. If ignitor is still not sparking, turn the on/off switch off, disconnect power to the machine and turn the gas supply off.

13. Install a replacement ignition control module and check for proper operation.

PILOT BURNER FLAME

ADJUSTMENT

1. Turn the on/off switch off.

2. Raise the pan to the full tilt position.

3. Remove left side panel as outlined under

COVERS AND PANELS.

4. Access the ignition control module as outlined under POWER SUPPLY BOX COMPONENTS

IN REMOVAL AND REPLACEMENT OF

PARTS.

5. Disconnect main valve (MV) lead wire from terminal 1 on the ignition control module.

NOTE: Removal of lead wire prevents main burners from lighting with the pan raised and the pan position/down limit switch manually operated.

6. Reconnect power to the machine.

7. Turn on/off switch on and set the temperature dial to call for heat.

8. Manually operate pan position/down limit switch and observe pilot burner flame.

A. If flame envelops 3/8" to 1/2" of the ignitor/flame sense electrode, pilot burner is adjusted properly.

B. If flame is outside of the specified range, release the pan position/down limit switch and continue with procedure.

9. Remove adjustment screw cap to access the pilot burner flame adjustment screw.

F25121 (February 2003)Page 19 of 32

10. Manually operate pan position/down limit switch and observe pilot burner flame.

A. To increase pilot flame, turn the screw counterclockwise. To decrease pilot flame, turn the screw clockwise.

11. Once the pilot flame has been adjusted correctly, release the pan position/down limit switch, turn the on/off switch off and replace the adjustment screw cap.

12. Re-connect main valve (MV) lead wire from terminal 1 on the ignition control module.

13. Lower the pan to the full down position and check for proper operation.

FLAME SENSE CURRENT TEST

NOTE: You must complete the SPARK IGNITION TEST prior to checking flame sense current.

If pilot burner lights but will not maintain flame, perform the following test.

1. Turn the on/off switch off.

2. Access the ignition control module as outlined under POWER SUPPLY BOX COMPONENTS

IN REMOVAL AND REPLACEMENT OF

PARTS.

3. Remove jumper wire between terminals marked with an asterisk (*) & 8.

4. Set VOM to micro amp scale (DC) and connect the black meter lead (-) to the asterisk (*) terminal and red meter lead (+) to terminal 8.

5. Turn on/off switch on and set the temperature dial to call for heat.

6. With pilot burner lit, meter reading should be above 1.0 micro amp (minimum) and steady.

A. If reading is greater than or equal to 1.0 micro amp then flame sense current is within tolerance.

1) Turn on/off switch off and replace jumper wire.

B. If reading is less than 1.0 micro amp and the condition of the ignitor/flame sense has been verified as good, turn on/off switch off.

7. Install a replacement ignition control module and check for proper operation.

IGNITION CONTROL MODULE

TEST

1. Lower the pan to the full down position, turn the on/off switch on and set the temperature dial to call for heat.

F25121 (February 2003) Page 20 of 32

2. Ignition control module is energized and trial for ignition starts (90 seconds).

A. Verify 24VAC between terminals 5 & 6.

1) If voltage is not present, see schematic diagram.

3. Pilot valve (PV) contacts close to energize the pilot valve coil, allowing gas flow to the pilot burner.

A. Verify 24VAC between terminals 2 & 3.

1) If voltage is not present, replace ignition control module and check for proper operation.

4. At the same time, spark voltage is sent from terminal 9 to the ignitor/flame sense electrode and sparking begins.

The pilot burner lights, pilot flame is sensed, spark voltage from terminal 9 is removed and sparking stops. Main valve (MV) contacts close to energize main valve coil, allowing gas flow to the runner tube and main burners.

A. Verify 24VAC between terminals 1 and 2.

1) If voltage is not present, replace ignition control module and check for proper operation.

5. With pilot burner lit, the runner tube lights and main burners light.

6. As long as the temperature controller is calling for heat and the ignition control module is sensing a sufficient flame sense current, the pilot valve (PV) and main valve (MV) contacts will remain closed.

NOTE: If pilot burner does not immediately light, the ignition control module continues sparking for 90 seconds, then locks out power to the gas combination valve (pilot valve and main valve remain closed). The module remains locked out until the on/off switch is cycled to reset the system re-start the ignition trial cycle.

GAS MANIFOLD PRESSURE

ADJUSTMENT

WARNING: SHUT OFF THE GAS SUPPLY

BEFORE SERVICING THE UNIT.

GAS PRESSURE (INCHES W.C.)

Gas Type Manifold

Line

Recommended Min Max

Natural 3.7 7.0 5.0 14.0

Propane 10.0 11.0 11.0

NOTE: If the incoming line pressure is less than the minimum stated, then the manifold pressure cannot be set correctly.

1. Lower the pan to the full down position.

2. Remove front panel as outlined under COVERS AND PANELS in REMOVAL AND

REPLACEMENT OF PARTS.

3. Access the gas combination valve as outlined in

REMOVAL AND REPLACEMENT OF PARTS.

4. Remove 1/8" NPT pipe plug on the outlet side of the gas valve (manifold pressure tap).

5. Install a hose barb adaptor at the port and attach a manometer.

6. Turn gas supply, gas combination valve and on/off switch to on.

A. Set the temperature dial to call for heat.

B. Verify main burners light.

7. Observe manometer pressure reading and compare to the gas pressure table.

A. If other appliances are connected to the same gas line, turn them all on and check manometer pressure reading again. If a pressure drop of 1/2" W.C. or more is observed, then the gas supply needs to be checked by the gas line installer or the local gas company for adequate sizing.

B. If adjustment is necessary, continue with procedure.

8. Remove adjustment screw cap to access the pressure adjustment screw.

A. To increase pressure, turn the screw clockwise. To decrease pressure, turn the screw counterclockwise.

F25121 (February 2003)Page 21 of 32

FRONT VIEW OF BURNER AIR SHUTTER

SHOWN

NOTE: Accurate gas pressure adjustments can only be made with the gas on and the main burners lit.

9. Set pressure as listed in gas pressure table.

10. Once the correct pressure has been set, turn the on/off switch off, replace the adjustment screw cap and pipe plug.

11. Check for proper operation.

MAIN BURNERS

Inspection

1. Access the main burners as outlined in

REMOVAL AND REPLACEMENT OF PARTS.

2. Inspect burners for clogged ports or obstructions around air shutter. Clean the burner (as necessary) using a soft bristle brush.

3. Inspect gas orifice for clogging. If clogs are found, remove the orifice and clean with air or non-flammable liquid only.

NOTE: If the orifice was removed, be sure to install the orifice in the same location. The outside burners use a slightly larger orifice than the center burner(s).

Air Shutter Adjustment

1. Verify the gas manifold pressure as outlined under GAS MANIFOLD PRESSURE

ADJUSTMENT.

2. Turn the on/off switch off.

3. Remove the control panel as outlined in

REMOVAL AND REPLACEMENT OF PARTS

to gain viewing access to the right side burner.

4. Turn the on/off switch on and set the temperature dial to call for heat.

CAUTION: To prevent discoloration of the cooking surface, and possible pan warpage at temperature settings above 250°F, do not operate the braising pan unless the cooking surface is covered with water or a thin layer of cooking oil.

5. Allow burners to remain lit for at least five minutes.

6. Observe each burners< flame thru the opening in the front of the burner box.

A. If the flame is blue, air shutter is adjusted properly. A slight tinge of orange in the flame is acceptable.

B. If the flame is yellow tipping, this indicates too little primary air (oxygen) for proper combustion. The heating efficiency is reduced, and the amount of soot (carbon) generated as a by-product is increased.

Continue with procedure to adjust.

7. Loosen screw on the air shutter for the burner being adjusted. Closing the air shutter will decrease primary air to the burner and opening the shutter will increase primary air the burner.

8. Monitor the burner flame and set the air shutter opening as follows:

A. Adjust the air shutter (as necessary) to obtain a blue flame. A slight tinge of orange in the flame is acceptable.

B. After the air shutter adjustment is made, tighten the set screw.

9. Adjust the remaining burners as necessary.

F25121 (February 2003) Page 22 of 32

SIDE VIEW SHOWN

DC MOTOR CONTROLLER TEST

1. Lower the pan to the full down position.

2. Raise the lid to the full open position.

3. Access the DC motor controller as outlined under POWER SUPPLY BOX COMPONENTS in REMOVAL AND REPLACEMENT OF

PARTS.

4. Set VOM to measure AC volts and connect meter leads at L1 & L2 on the controller.

5. Turn the on/off switch to on.

6. Verify 120VAC at L1 & L2 on the controller when the lift control switch (momentary) is operated to raise & lower the pan.

A. If voltage is present but pan does not raise & lower, proceed to step 7.

B. If voltage is not present refer to MOTORIZED LIFT OPTION ONLY under

TROUBLESHOOTING.

7. Disconnect power to the machine.

8. Set VOM to measure DC volts and connect VOM leads to terminals A + (positive) & A - (negative) on the controller.

9. Re-connect power to the machine.

10. Verify 90VDC (approximate) from the DC motor controller when the lift control switch (momentary) is operated to raise & lower the pan.

A. If voltage is present but pan does not raise, refer to MOTORIZED LIFT OPTION ONLY under TROUBLESHOOTING.

B. If voltage is not present and the fuse is ok, turn the on/off switch off and disconnect power to the machine.

11. Instal a replacement DC motor controller and check for proper operation.

PAN POSITION/DOWN LIMIT

SWITCH ADJUSTMENT

NOTE: Do not use the motorized lift (if installed) for this procedure.

1. Turn the on/off switch off.

2. Remove front and left side panels as outlined under COVERS AND PANELS.

3. Insert the manual crank handle.

4. Raise the pan to the full tilt position.

5. Verify roller arm position on switch.

A. Measure the distance from the rear of the switch body to the center of the roller. The distance should be 3".

B. If distance is ok, proceed to step 6.

C. If distance is not ok, position the roller arm as outlined under PAN POSITION/DOWN LIMIT SWITCH in REMOVAL AND

REPLACEMENT OF PARTS.

6. Lower the pan to the full down position. The roller should make contact with the hinge and operate the switch.

7. Verify pan position/down limit switch N.O.

contacts are closing.

A. Turn the on/off switch on and set the temperature dial to call for heat.

B. Heat light (red) comes on and main burners light.

F25121 (February 2003)Page 23 of 32

LEFT SIDE VIEW SHOWN

LEFT SIDE VIEW SHOWN

RIGHT SIDE REAR VIEW SHOWN

1) If main burners do not light, verify 24VAC input to the switch, and that the voltage is output from the switch.

2) If voltage is present on the output side of the switch, the switch is functioning properly.

3) If voltage is not present, install a replacement pan position/down limit switch and repeat this…