RFI_24_attach1.pdf

MG Energy Solutions 100 W. 6th Street Mansfield, OH 44902

Office: (419) 522-2700 Fax: (419) 522-2730

Operations & Maintenance Manual

Project Name: Air National Guard-Mansfield Building 414 and Hazmat Chiller Replacement

Prepared for: John Cecil Construction, LLC

Project Number: W91364-18-C-7001

Date: June 20, 2019

CONTRACTOR’S GUARANTEE

Owner: Air National Guard – 179th Air Lift Wing

Project: Chiller Replacement: Building 414 & HazMat

Branch of Work: HVAC

Prime Contractor: John Cecil Construction, LLC.

743 N James Rd, Columbus, OH 43219

Contract Date: October 9, 2015

Contract Number: W91364-18-C-7001

The Contractor hereby guarantees that all workmanship and/or materials (including any workmanship and/or materials of subcontractors and material suppliers) under the above referenced contract is of the quality that will comply with all specific requirements of the Contract Documents and hereby insures the Owner against all defects of material and/or workmanship for a period of one (1) year effective: June 4, 2019 and expiring June 3, 2020

It is further agreed that if after due inspection, MG Energy, shall decide that the replacement or repair of any of the work is, in their opinion, necessary, such defective work will be repaired or removed and replaced with new work meeting all requirements of the Contract Documents.

Signature: ______________________________

Jason A. Metzger, Vice President

DATED: June 20, 2017

Design Conditions Datasheet

MLP Effective Date:10/1/2018 Mansfield ANG Generated on 2018-10-17 E.2.0.12053.0-D.66.0040(REV. v8_09.idd) Datasheet Spec Unit Folder: CH-1 Software Version: YW18.05 Page_1_of_2

Unit Tag Qty Model No Net Cooling Capacity (ton.R) Nominal Voltage Refrigerant Type

CH-1 1 QTC3060THE46XFBSDTX 61.41 460-3-60.0 R410A

PIN:

QTC3060THE 46XFBSDTXA XXBLXCXX44 XE1XXXHXXX XAXGXXXXXX AXXXBXXXT5

....5...10 ....5...20 ....5...30 ....5...40 ....5...50 ....5...60 ....5...70 ....5...80 ....5...90

Evaporator Data Evaporator Data (Cont.) Performance Data EWT (°F) 54.00 Fluid Volume (USGAL) 5.389 EER (Btu/W ·h) 10.28 LWT (°F) 44.00 Min. Flow Rate (USGPM) 60.23 NPLV.IP (Btu/W ·h) 15.56 Design Flow Rate (USGPM) 151.0 Max. Flow Rate (USGPM) 324.9 Evap. Press. Drop (ft H2O) 11.0

Fluid Propylene Glycol (%) 25 Condenser Data Physical Data

Strainer Press. Drop (ft H2O) 2.25 Ambient Temp. Design (°F) 95.0 Rigging Wt. (lb) 4645 Ext. Kit Press. Drop (ft H2O) 0.000 Altitude (ft) 0.000 Operating Wt. (lb) 4689 Total Press. Drop (ft H2O) 13.2 Compressor Type Scroll - Hermetic Refrigerant Charge (lb) 86 Fouling Factor (h.ft².F/Btu) 0.000100

Electrical Data Circuit 1 2 3 4 Compressor RLA 24 / 24 / 24 27 / 27 Fan QTY/FLA (each) 2 / 4 2 / 4 High LRA Current 145 / 145 / 145 180 / 180

Single Point Min. Circuit Ampacity 161 Recommended Fuse/CB Rating 175 Max. Inverse Time CB Rating 175 Max. Dual Element Fuse Size (A) 175 Operating Condition Electrical Data Unit Short Circuit Withstand (STD) 5 [kA] Compressor kW 64.97 Wires Per Phase 1 Total Fan kW 6.720 Wire Range (Lug Size) #6 AWG - 350 kcmil Total kW 71.69

Starter Type Across The Line Total kW with Hydrokit Power 75.42

Notes:

Certified in accordance with the AHRI Air-Cooled Water-Chilling Packages Certification Program, which is based on AHRI Standard 550/590 (I-P) and AHRI Standard 551/591 (SI). Certified units may be found in the AHRI Directory at www.ahridirectory.org.

Unit contains freeze protection fluids in the evaporator with a leaving chilled fluid temperature above 32 DEG F [0 DEG C] and is certified when rated per the Standard with water. Auxiliary components included in total KW - Oil heaters, Chiller controls. Auxiliary power is already included in the compressor and fan power

Compliant with the requirements of the LEED Energy and Atmosphere Enhanced Refrigerant Management Credit (EAc4).

Design Conditions Datasheet

MLP Effective Date:10/1/2018 Mansfield ANG Generated on 2018-10-17 E.2.0.12053.0-D.66.0040(REV. v8_09.idd) Datasheet Spec Unit Folder: CH-1 Software Version: YW18.05 Page_2_of_2

Part Load Rating Data Stage Ambient (°F) Capacity (ton.R) Total kW Unit Efficiency

1 95.0 61.41 71.69 10.28 2 87.4 53.64 53.42 12.05 3 76.2 42.16 35.61 14.21 4 64.3 29.98 21.12 17.03 5 55.0 13.86 8.985 18.52

Sound Power Levels (In Accordance with AHRI 370)

Stage Ambient (°F)

63 Hz (dB)

125 Hz (dB)

250 Hz (dB)

500 Hz (dB)

1 kHz (dB)

2 kHz (dB)

4 kHz (dB)

8 kHz (dB) LWA

1 95.0 96 95 91 91 88 86 81 77 93 2 87.4 96 95 91 91 88 85 81 77 93 3 76.2 96 95 91 91 87 85 81 77 93 4 64.3 93 92 88 88 85 82 78 74 90 5 55.0 90 89 85 85 82 79 75 71 87

Note: Unit is equipped with Low Sound Fans.

Performance at AHRI Conditions Evaporator Data Condenser Data Performance Data

EWT (°F) 54.00 Ambient Temp. (°F) 95.0 EER (Btu/W ·h) 10.38 LWT (°F) 44.00 Altitude (ft) 0.000 IPLV.IP (Btu/W ·h) 15.60

Flow Rate (USGPM) 148.5 Net Cooling Capacity (ton.R) 62.20

Pressure Drop (ft H2O) 8.63 Fluid Water Fouling Factor (h.ft².F/Btu) 0.000100 Fluid Volume (USGAL) 1.424

Note: Unit rated at design condition capacity.

Pump Curve

Report

Project Name Unit Tag Date Chiller Type Mansfield ANG CH-1 2018-10-17 Air Cooled Scroll Chillers

PIN Version QTC3060THE46XFBSDTXAXXBLXCXX44XE1XXXHXXXXAXGXXXXXXAXXXBXXXT5 E.2.0.12053.0-D.66.0040

MLP Effective Date:10/1/2018 Mansfield ANG Generated on 2018-10-17 E.2.0.12053.0-D.66.0040(REV. v8_09.idd) Pump Curve Specification Unit Folder: CH-1 Software Version: YW18.05 Page_1_of_1

QTC3060THE Hydro Kit Data Flow 151.0 USGPM Impeller Diameter 5.4 in Efficiency 74 % Head 19.7 ft H2O NPSHR 4.95 ft H2O Pump QTY 1 Hydrokit Hydrokit T

Hydrokit Performance Data PUMP Motor Size/Speed 2950 RPM Chiller Internal PD 19.7 ft H2O Head Safety Factor -0.0489 ft H2O

Pump Motor HP 5 hp Total Head Required 19.7 ft H2O Pump Type VSD Single Pump (Full Feat)

Submittal Ref. #: 697911.1 rev1

Design envelope close coupled vertical in-line pump

Model: Series Design Envelope Sensorless 4380 1506-005.0

Project name: Mansfield Air Nat Guard

Location: Manfield OH Representative: Northrich Company

Date submitted: 10/18/2018 4:19:50 PM Phone number: (216) 581-4750

Engineer: e-mail: revans@northrich.com

Contractor: Submitted by: Robert Evans

Application design data Tag number: PP-1 Pipe orientation: Single

Suction pressure: 0 ftService: Process Pump

Location: Fluid: Water:

Quantity: 1 Operating temperature: 60 F Viscosity: 31 SSUDuty flow per pump: 60 USgpm

Specific gravity: 1.0000Duty head: 55 psig

Safety factor % head: 0 %Environment: Indoors

Total dissolved solids: 0 ppm

Materials of construction Construction: BF Impeller: Bronze (BS1400 Grade LG1) Rating: ANSI-125 Shaft sleeve: 316 SS Connections: Inlet: 1.5 in, Outlet: 1.5 in Casing gasket: Confined Non-Asbestos Fiber

Casing (volute): Cast Iron (BS1452 GR220) Flush line: Braided Stainless Steel

Stub Shaft: Stainless Steel

Mechanical seal data Seal type: Inside Single Spring Rotating face: Resin Bonded Carbon Manufacturer code: C-ssc L EPSS 2A Stationary seat: Sintered Silicon Carbide Springs: Stainless Steel Secondary seal: EPDM Rotating hardware: Stainless Steel

Motor electrical data Factory ChoiceSupplier: Insulation class: Class F Insulation

Size: 5 hp Inverter motor type: Inverter Duty Frame number: 184JM Efficiency: NEMA Prem (12.12) Enclosure: TEFC Operating speed @ 100% flow: 3399 rpm Motor Electrics: 460/3/60 Operating speed @ 50% flow: 2411 rpm

IVS102 controller data Sensorless control: Yes-Quadratic press control Communication port: RS 485 BMS protocol: BACnet Native Analog inputs: 2 (current or voltage) Enclosure: UL Type 12

Digital inputs:

Analog outputs: 1 (current)

Fused disconnect switch: None 4 (programmable)

Control orientation: L1 Digital outputs: 2 (programmable) Expansion card: None Cooling: Fan cooled through back channel BHP at 50% load/flow and 55% of design head: 0.93 hp Ambient temperature: 14F to 113F (up to 3280ft elevation)

Meets ASHRAE 90.1: No EMI/RFI control: Integrated filter to meet EN61800-3 Min. maintained sys. pressure: 22 psig Harmonic suppression: Integrated DC link reactor**

*If minimum maintained system pressure is not known, default is 40% of design head.

** The IVS 102 control is a low harmonic control with a built-in DC link reactor equivalent in performance to a 5% AC line reactor. This does not guarantee performance to any system wide harmonic specification or the costs to meet a system wide specification. If supplied with the system electrical details, Armstrong will run a computer simulation of the system wide harmonics. If system harmonic levels are exceeded, Armstrong can also recommend additional harmonic mitigation and the cost for such mitigation.

www.armstrongfluidtechnology.com 10/22/2018, Ref. # 697911.1 rev1 Page 1 of 4

Operating limits (temperature - pressure)

Maximum pressure: 175 psi

Maximum temperature: 250 F

Pump casings are hydrostatically tested to 150% of maximum pump working pressure rating.

Performance curve

--- Admin Data --- Tag Num: PP-1 Service: Process Pump Location:

--- Motor Data --- Motor Size: 5 hp

--- Design Duty Point --- Flow: 60 usgpm Head: 55 psi Impeller: 6.19 in

--- Performance Data ---

• NPSHR: 2.8934 psi

• Eff. @ Design: 51.84 %

• BHP @ Design: 3.71 hp

• Mtr Capability @ Rated Spd: 4.75 hp

• %Mtr Safety: 27.99%

• BEP @ Design Imp.:

53.19 % @ 75.5 usgpm

• %max imp. range: 100.00 %

• Outlet Velocity: 9.46 ft/s

• VFD Op.Speed: 3399 rpm

• VFD Setting: 57.8 Hz

Series 4380 Design Envelope: 1506-005.0 @ 57.8 Hz

Integrated Intelligent Variable Speed with Sensorless Control

0 20 40 60 80 100 120 140 160

Flow (usgpm)

Head

(psi)

6.19 in

4.50 in

System

6.19 in

5 hp

49%

46%

Water:, spgr= 1.0000

PT13-3-0 (3.30.1.14)

ANSI/HI 14.6.3.4.1

--- Admin Data --- Tag Num: PP-1 Service: Process Pump Location:

--- Motor Data --- Motor Size: 5 hp

--- Design Duty Point --- Flow: 60 usgpm Head: 55 psi Impeller: 6.19 in

--- Control Data ---

1. Hmax @ 57.8 Hz:

• 60 @ 55, 3.71 hp

2. Control (QPC) @ 53.4 Hz:

• 52.9 @ 47.7, 2.87 hp

3. Control (QPC) @ 49.0 Hz:

• 45.5 @ 40.9, 2.15 hp

4. Control (QPC) @ 44.4 Hz:

• 37 @ 34.6, 1.53 hp

5. Control (QPC) @ 39.9 Hz:

• 27.7 @ 29, 1.03 hp

6. Index @ 35.5 Hz:

• 15 @ 24.1, 0.61 hp

7. Hmin: 22 psi 33.5 Hz:

• Setting= 40.00% Hmax

Series 4380 Design Envelope: 1506-005.0

Integrated Intelligent Variable Speed with Sensorless Control

0 20 40 60 80 100 120 140 160

Flow (usgpm)

Head

(psi)

63.0 Hz

35.5 Hz

33.5 Hz

18.0 Hz

System

Avg.Load (QPC)

57.8 Hz

5 hp

Index Flow (25.0% Duty Flow)

Water:, spgr= 1.0000

PT13-3-0 (3.30.1.14)

ANSI/HI 14.6.3.4.1

www.armstrongfluidtechnology.com 10/22/2018, Ref. # 697911.1 rev1 Page 2 of 4

Design envelope pumping unit capability Operating point Flow Head Efficiency

Full capability at 100% design flow 60 USgpm 67.3 psi 50.80 %

Design point 60 USgpm 55 psig 51.84 %

50% average flow (with default load profile) 30 usgpm 30.3 psi 46.46 %

Dimensional data (not for construction) Top viewSide view

Weight: 267 lb

• Not to scale

• R = minimum lifting clearance required above motor

• Units of measure : inches [millimeters]

• Coupling guard and flush line (not shown) are supplied

• Tolerance of ± 0.125 inch (± 3 mm) should be used

• For certified dimensions, please contact your Armstrong representative

• Pump equipped with casing drain plug and ¼ inch NPT suction and discharge gauge ports

Connection details Connection Size Rating OD Bolt quantity* BCD Bolt size

Inlet 1.5 5ANSI-125 4 0.53.88

Outlet 1.5 5ANSI-125 4 0.53.88

*Equally spaced straddling centreline

Special instructions

The program has defaulted to a NEMA Premium Efficiency motor supplied with NEMA MG-1 Part 31.4.4.2 insulation standards for inverter-fed polyphase motors.

OSHPD Seismic Certification OSP-0422-10 UL STD 778 & CSA STD C22.2 no.108 certified

Selected options Environmental Application: Indoors www.armstrongfluidtechnology.com 10/22/2018, Ref. # 697911.1 rev1 Page 3 of 4

Project # : 697911.1 rev1 Submittal

Product: Expansion Model: Expansion Equipment

Project Number: 697911.1.1 Representative: Northrich Company 9545 Midwest Ave, St A Cleveland, Ohio 44125

Name: Mansfield Air Nat Guard Reference: 697911.1.1

Phone: (216) 581-4750, Fax: (216) 581-4701 Date:

Location: Manfield OH Order No: 10/18/2018 Engineer:

Submitted by: Robert Evans Date: 10/22/2018 Contractor:

Approved by: Date:

SYSTEM DATA

Tag Num : Service :

Location : Qty : 1 Selection Method : Manual

Application: Heating

This has been a Manual Selection, so no data is available.

Expansion Tank Tank Model :35-L : 1Tank Qty

:10.0 us galTank Volume Max. Working Pres. : 125 psi

• Not for Domestic Potable Water Systems.Charge Pressure: 26.8 ft

• Designed and constructed per ASME, Section VIII, Division 1.Standard factory charge is 12 psi (83 kPa) unless otherwise specified. • California Code Sight-glass available upon request.

• Allow a minimum of 18" (457 mm) clearance for system piping.

Shell : Carbon Steel WORKING TEMPERATURE : 240°F (115°C) Bladder : Heavy Duty Butyl WORKING PRESSURE :125 psi (862 kPa) www.armstrongfluidtechnology.com 10/22/2018, Ref. # 697911.1 rev1 Page 4 of 4

S. A. Armstrong Limited 23 Bertrand Avenue Toronto, Ontario Canada, M1L 2P3 T: (416) 755-2291 F (Main): (416) 759-9101

Armstrong Pumps Inc.

93 East Avenue North Tonawanda, New York U.S.A. 14120-6594 T: (716) 693-8813 F: (716) 693-8970

Armstrong Holden Brooke Pullen Wenlock Way Manchester United Kingdom, M12 5JL T: +44 (0) 161 223 2223 F: +44 (0) 161 220 9660 © S.A. Armstrong Limited 2010

For Armstrong locations worldwide, please visit www.armstrongintegrated.com

SUBMITTAL

JOB:

ENGINEER:

CONTRACTOR:

REPRESENTATIVE:

ORDER NO:

SUBMITTED BY:

APPROVED BY:

DATE:

DATE:

DATE:

MAXIMUM OPERATING CONDITIONS

Working Temperature 240°F (115°C) Working Pressure 125 psi (862 kPa)

FILE NO: 37.521

DATE: Feb. 18, 2010

SUPERSEDES: 37.521

DATE: Feb. 04, 2009

L Series - Pre-Charged (ASME) Expansion Tank

MODEL NO. ORDERED: _____________ QTY.: ________

TAG NO.: _______________

CHARGE PRESSURE: ______________ psi/kPa Standard factory charge is 12 psi (83 kPa) unless otherwise specified.

MATERIALS OF CONSTRUCTION

Shell Carbon Steel Bladder Heavy Duty Butyl

Not for Domestic Potable Water Systems.

Designed and constructed per ASME, Section VIII, Division 1.

California Code Sight-glass available upon request.

Allow a minimum of 18” (457 mm) clearance for system

Model Tank Volume

Maximum Acceptance

Volume A B

System Connection

NPT

Shipping Weight gal. in. (mm) in. (mm) in. (mm) lbs. (kg) 35-L 10 (38) 10 (38) 12 (305) 25 (635) 0.75 (19) 40 (18) 50-L 13 (49) 13 (49) 14 (356) 25 (635) 0.75 (19) 50 (23) 85-L 23 (87) 23 (87) 16 (406) 37 (940) 1.00 (19) 90 (41) 130-L 35 (132) 35 (132) 20 (508) 37 (940) 1.00 (19) 125 (57) gal. (L) (L)

TYPICAL SPECIFICATION

Furnish and install, as shown on the plans, Armstrong Model ______-L ASME pre-charged Bladder Expansion Tank, stamped 125 psi (862 kPa) working pressure.

Each tank will be supplied with a heavy duty butyl replaceable bladder. Tank shall be supplied with a ring base, lifting rings, and NPT system connection. An air charging valve connection (standard tire valve) shall be provided to facilitate adjusting pre-charge pressure to meet actual system conditions.

Commercial pumps Series 4300, 4360 and 4380 Vertical In-Line pumps

Installation and operating instructions

File No: 43.80

Date: november 14, 2017

Supersedes: 43.80

Date: september 14, 2012 contents

1.0 Introduction

1 .1 Instructions for safe use 4

1 . 2 Temperature 4

1 .3 Noise levels 4

1 . 4 Vibration levels 5

1 .5 Storage 5

1 .6 Uncrating 5

1 .7 Handling large vil units 5

2.0 Installation 6

2.1 Location 6

2. 2 Installation 6

2.3 Pump piping – general 7

2. 4 Alignment 8

2.5 Starting the pump 8

2.6 General care 9

2.7 Lubrication 9

2.8 System cleanliness 10

2.9 Installation layouts 10

installation & operating instructions

Commercial pumps Series 4300, 4360 and 4380

Vertical In–Line pumps

1.0 introduction

This document contains specific information regarding the safe installation, operating and maintenance of Vertical In-Line pumps and should be read and understood by installing, oper-ating and maintenance personnel. The equipment supplied has been designed and constructed to be safe and without risk to health and safety when properly installed, operated and main-tained. The following instructions must be strictly adhered to.

If clarification is needed on any point please contact Armstrong quoting the equipment serial number.

warning symbols

Safety instruction where an electrical hazard is involved.

Safety instruction where non-compliance would affect safety risk.

Safety instruction relating to safe operation of the equipment. (attention) fig. 1 Noise levels.

1 .1 instructions for safe use

No installation of this equipment should take place unless this document has been studied and under-stood. Handling, transportation and installation of this equipment should only be undertaken by trained personnel with proper use of lifting equipment. See later diagrams for lift-ing advice. Refer to the pump nameplate for pump speed, pres-sure and temperature limitations. The limits stated must not be exceeded without written permission from Armstrong.

1 . 2 temper ature

Where under normal operating conditions the limit of

68°c/155°f (restricted zone) for normal touch, or 80°c/176°f

(unrestricted zone) for unintentional touch, may be experi-enced, steps should be taken to minimize contact or warn operators/users that normal operating conditions will be exceeded. In certain cases where the temperature of the pumped liquid exceeds the above stated temperature levels, pump casing temperatures may exceed 100°c/212°f and not withstanding pump insulation techniques appropriate mea-sures must be taken to minimize risk for operating personnel.

1 .3 noise levels

Typical Pumping Unit Sound Pressure Level, Decibels, A-Weighted, at 1 m (3 ft.) from unit.

A

1200 rpm 1800 rpm 3600 rpm frame designation odp tefc odp tefc odp tefc hp dB-A hp dB–A hp dB–A hp dB–A hp dB–A hp dB–A

140 0.75 – 1 59 0.75 – 1 58 1 – 3 64 1 – 2 64 1.5 – 3 70 1.5 – 2 79

180 1.5 – 2 61 1.5 – 2 61 3 – 5 66 3 – 5 68 5 – 7.5 74 3 – 5 82

210 3 – 5 66 3 – 5 65 7.5 – 10 70 7.5 – 10 73 10 – 15 76 7.5 – 10 85

250 7.5 – 10 70 7.5 – 10 69 15 – 20 74 15 – 20 78 20 – 25 78 15 – 20 88

280 15 – 20 75 15 – 20 74 25 – 30 74 25 – 30 82 30 – 40 80 25 – 30 89

320 25 – 30 77 25 – 30 77 40 – 50 78 40 – 50 83 50 – 60 83 40 – 50 94

360 40 – 50 80 40 – 50 80 60 – 75 80 60 – 75 89 75 – 100 88 60 – 75 95

400 60 – 75 82 60 – 75 84 100 – 125 83 100 92 125 – 150 92 100 96

440 100 – 125 85 100 – 125 88 150 – 200 87 125 – 150 96 200 – 250 95 125 – 150 98

Commercial pumps Series 4300, 4360 and 4380

Vertical In–Line pump

1. 4 vibr ation levels

Armstrong Vertical In-Line pumps are designed to meet vibration levels set by Hydraulic Institute Standard hi Pump vibration 9.6.4. standard levels are as detailed below:

6.10

7.11

5.08

4.06

7.5 75 750

3.04

2.03

0.01

0.24

0.28

0.20

0.16

0.12

0.08

0.04

0.75 input power @ test conditions–kW

10 100 10001 input power @ test conditions–bhp vi br at io n m m

/s ec rm s, u n fi lt er ed vi br at io n

In ch es /s ec rm s, u n fi lt er ed

1 .5 stor age

Pumps not immediately placed into service, or removed from service and stored, must be properly prepared to prevent excessive rusting. Pump port protection plates must not be removed until the pump is ready to connect to the piping.

Rotate the shaft periodically (at least monthly) to keep rotating element free and bearings fully functional.

For long term storage (longer than 3 months), the pump must be placed in a vertical position in a dry environment.

Internal rusting can be prevented by removing the plugs at the top and bottom of the casing and drain or air blow out all water to prevent rust buildup or the possibility of freezing. Be sure to reinstall the plugs when the unit is made operational. Rust-proofing or packing the casing with moisture absorbing mate-rial and covering the flanges is acceptable. When returning to service be sure to remove the drying agent from the pump.

1 .6 uncr ating

Armstrong Vertical In-Line pumps are thoroughly inspected before shipment to assure they meet with your order require-ments. After removing the pump from the crate, make sure the equipment is in good order and that all components are received as called for on the packing list. Any shortages or damage should be reported immediately. Use extreme care in handling the unit, placing slings and hooks carefully so that stress will not be imposed on the pump. Never place cable slings around the pump shaft. The eye bolts or lifting lugs on the motor are intended for lifting the motor only and not the complete unit.

1 .7 handling large vil units

One effective way of lifting a large Series 4300 unit from the shipment pallet following uncovering the unit is to place lifting hooks through the motor lifting rings or straps around the upper part of the motor and carefully lift sufficiently to stand the pump vertically. Lift only enough to remove the pallet then lower onto a flat surface. The pump and motor unit will free-stand on the casing ribs. Remove the coupling guard and place

(2) lifting straps through the pump/motor pedestal (one on each side of the motor shaft) and secure to the lifting device.

With the straps in place, using a spacer bar if necessary to pro-tect the motor fan cover, the whole assembly can now be lifted securely and placed in position in the piping.

Secure pallet and lift pump vertical using motor eye-bolts lift only to clear pallet then sit on the flat surface.

A

X Y vertical in–line

Commercial pumps Series 4300, 4360 and 4380

Vertical In–Line pumps

Remove coupling guard and place lifting straps on each side of coupling, use spacer bar if necessary to protect motor fan cover.

important:

Do not run the pump for any length of time under very low flow conditions or with the discharge valve closed. This could cause the water in the casing to reach super heated steam conditions, cause premature failure and cause serious and dramatic damage to the pump and surrounding area.

2.0 installation

2.1 location

In open systems, locate the unit as close as practical to the liquid being pumped, with a short, direct suction pipe. Ensure adequate space is left above and around the unit for operation, maintenance, service and inspection of parts.

In closed systems, where possible, the pumps should be in-stalled immediately downstream of the expansion tank/make-up connection. This is the point of zero pressure change and is necessary for effective pump operation. Do not install more than one expansion tank connection into any closed hydronic system.

Electric motor driven pumps should not be located in damp or dusty locations without special protection.

Airflow into the motor and/or motor fan should not be obstructed.

2. 2 installation

When installing Vertical In-Line pumps, an important consid-eration to accrue full added-value from the pump design is to ensure that the pump is pipe-mounted and free to ‘float’ with any movement, expansion and contraction of the piping. Should any Vertical In-Line pump use supports to the structure it is imperative that no pipe strain is imposed on the pump flanges.

Telltale pieces of equipment such as springs or ‘waffle’ style neoprene isolation pads that distort with pressure to indicate added piping weight, should be used under pump supports should the pump not be truly pipe mounted.

Various installation arrangements are detailed on Pages 6 and 7:

2.2.1 Vertical In-Line pumps may be installed directly in the system piping with no additional support. Pipe hangers are simply sized for the additional weight of the pumping unit. Many pumps are installed in this manner and are mounted at sufficient height to take zero floor space. (Fig. 2.1)

2.2.2 Piping, in many mechanical rooms, is hung close to the ceiling and larger pumps are mounted near ground level for ease of maintenance. Fig 2.2 illustrates such an arrangement with the piping supported at the ceiling and the vil unit installed with an Armstrong Suction Guide and triple function Flo-Trex valve.

Many very large vil pumps are installed in this manner.

2.2.3 Should additional space saving be required the discharge spool piece and Flo-Trex valve may be replaced by a long-radius el-bow and the Flo-Trex valve field converted to a straight-through valve and installed in the vertical discharge pipe. (Fig. 2.3)

2.2.4 Fig 2.4 illustrates a similar arrangement to Fig 2.2 with additional floor mounted pipe-stools isolated from the struc-ture by ‘waffle’ style neoprene isolation pads under the

Armstrong Suction Guide and Flo-Trex valve.

2.2.5 Floor mounted saddle supports (Fig. 2.5) are typical for condenser water pumps where the cooling tower base is near mechanical room elevation.

Commercial pumps Series 4300, 4360 and 4380

Vertical In–Line pump

2.2.6 Where required, additional floor support may be used as shown in Fig. 2.6. Note that the pump should not be rigidly attached to the column. Leave a small gap between pump and column or install a ‘waffle’ isolation pad under the pump. It is critical that piping be installed in such a manner that the pump does not become a pipe support.

2.2.7 Fig. 2.7 illustrates stanchion plates at the pump inlet and outlet ports that may be supplied for installation convenience.

Isolation pads must be used under the legs and monitored as pipe hangers are adjusted to ensure the pump flanges are not supporting the piping. Bolting to the floor or housekeeping pad is not recommended. If the stanchions are bolted down the bolts must be isolated from the stanchion or an inertia base and flexible pipe connectors should be used.

2.2.8 Fig. 2.8 illustrates installations with stanchion plates for seismi-cally active regions. Seismically rated isolation pads or snub-bers with bolts isolated from the stanchion plates are installed to restrain the pump during a seismic event. Pipe hangers carry the weight of the equipment as seismic components are designed only to restrain the equipment during a seismic event.

2.2.9 Close coupled in-line units (Series 4360 & 4380) up to 15 hp /

11 kW may be installed with the shaft horizontal. (Fig. 2.9) For horizontal mounting of large units or Series 4300 Split-Coupled style consult the factory. (Fig. 2.9)

2.2.10 Many Vertical In-Line pumps are piped successfully into grooved piping systems. In-line pumps are supported well by grooved piping however flange adapter locking devices or a welded flange at the pump should be used to prevent the possi-bility of pipe mounted pumps rotating in the piping. Armstrong offers grooved suction guides with cast-in outlet flanges and triple function Flo-Trex valves with inherent locking devices to prevent this possibility. (Fig. 2.10)

2.2.11 Do not support the unit by the motor eye bolts (Fig. 2.11) or by any other part of the motor.

2.2.12 Connecting the pump to a permanent rigid base (Fig. 2.12). is not recommended unless isolated from the piping by flexible connectors and the base isolated from the building structure on an inertia base. (Fig. 2.12 is generally acceptable when using plastic piping).

important:

All Series 4300 pumps contain a tapped hole in the motor bracket above the discharge flange (see Fig. 2.13) for draining the well. Pipe this drain hole to a floor drain to avoid overflow of the cavity caused by collecting chilled water condensate or from seal failure.

2.3 pump piping – gener al

Never connect a pump to piping, unless extra care is taken to measure and align the piping flanges well. Always start piping from pump.

Use as few bends as possible and preferably long radius elbows.

Do not use flexible connectors on the suction or discharge of a

Vertical In-Line pump, unless the pump is rigidly mounted to a foundation.

Ensure piping exerts no strain on pump as this could distort the casing causing breakage or early failure due to pump misalignment.

All conecting pipe flanges must be square to the pipework and parallel to the pump flanges.

Suction and discharge pipes may be increased or decreased at pump nozzle to suit pump capacity and particular conditions of installation. Use eccentric reducers on suction connection with flat side uppermost.

Layout the suction line with a continual rise towards the pump without high points, thus eliminating possibility of air pockets that may prevent the pump from operating effectively.

A strainer of three or four times the area of the suction pipe, installed in the suction line, will prevent the entrance of foreign materials into the pump. C/af" (5 mm) diameter perforations in the strainer is typical.

Commercial pumps Series 4300, 4360 and 4380

Vertical In–Line pumps

In open systems, test suction line for air leaks before starting;

this becomes essential with long suction line or static lift.

Install, at the pump suction, a straight pipe of a length equivalent to 4 or 6 times its diameter; this becomes essential when handling liquids above 120°f (49°c). Armstrong suction guides may be used in place of the straight pipe run and in-line strainer.

Install an isolation valve in both suction and discharge lines on flooded suction application; these valves are used primarily to isolate the pump for inspection or repair.

Install a non-slam non-return check valve in discharge line between pump and isolation valve to protect pump from excessive back pressure and to prevent water running back through the pump in case of driver failure on open systems.

An Armstrong Flo-Trex valve may be used in place of non-return check valve and isolation valve on pump discharge.

caution:

A Only the discharge valve is to be used to throttle pump flow, not the suction valve. Care must be taken in the suction line layout and installation, as it is usually the major source of concern in centrifugal pump applications.

2. 4 alignment

Alignment is unnecessary on close-coupled pumps, Series

4360 & 4380, as there is no shaft coupling.

Series 4300 units are accurately aligned at the factory prior to being shipped and do not need re-aligning when installed.

Alignment on a Series 4300 unit may be verified by assuring an equal and parallel gap between coupling halves on both sides of the coupling.

operation

2.5 starting the pump

Ensure that the pump turns freely by hand, or with some gentle mechanical help such as a strap or Allen key in coupling bolt.

Ensure that all protective guarding is securely fixed in position.

The pump must be fully primed on start up. Fill the pump cas-ing with liquid and rotate the shaft by hand to remove any air trapped in the impeller. On Series 4300 any air trapped in the casing as the system is filled must be removed by the manual air vent in the seal flush line. Ensure entrained air is removed from series 4300 pumps, prior to starting, through the air vent on the seal flush line. Open vent until clear of air.

Series 4360 & 4380 units are fitted with seal flush/vent lines piped to the pump suction area. When these units operate re-sidual air is drawn out of the pump towards the suction piping.

'Bump' or energize the motor momentarily and check that the rotation corresponds with the directional arrow on the pump casing.

To reverse rotation of a three phase motor, interchange any two power leads.

Start the pump with the discharge valve closed and the suction valve open, then gradually open the discharge valve when the motor is at operating speed. The discharge valve may be open slightly at start up to help eliminate trapped air.

When stopping the pump: Close the discharge valve and de-energize the motor.

Do not run the pump against a closed discharge valve for an extended period of time (a few minutes maximum).

Star-Delta motor starters should be fitted with electronic/me-chanical interocks that have a timed period of no more than 40 miliseconds before switching from star (starting) to delta (run) connection yet allow the motor to reach full star (starting) speed before switching to delta (run).

Should the pump be noisy or vibrate on start-up a common reason is overstated system head. Check this by calculating the pump operating head by deducting the suction pressure gauge value from the discharge gauge reading. Convert the result into the units of the pump head as stated on the pump nameplate and compare the values. Should the actual pump operating head be significantly less than the nameplate head value it is typically permissable to throttle the discharge isolation valve until the actual operating head is equal to the nameplate value.

Any noise or vibration usually disappears. The system designer or operator should be made aware of this as some adjustment may be required to the pump impeller diameter or drive settings, if applicable, to make the pump suitable for the system as installed.

Commercial pumps Series 4300, 4360 and 4380

Vertical In–Line pump caution:

A Check rotation arrow prior to operating the unit. The rotation of all Armstrong Vertical In-Line units is clockwise when viewed from the drive end. (Looking from on top of/behind the motor).

2.6 gener al care

Vertical In-Line pumps are built to operate without periodic maintenance, other than motor lubrication on larger units. A systematic inspection made at regular intervals, will ensure years of trouble-free operation, giving special attention to the following:

• Keep unit clean.

• Provide the motor with correctly sized overload protection.

• Keep moisture, refuse, dust or other loose particles away from the pump and ventilating openings of the motor.

• Avoid operating the unit in overheated surroundings

(above 100°f/40°c).

warning:

Whenever any service work is to be performed on a pumping unit, disconnect the power source from the driver, lock it off and tag with the reason. Any possibility of the unit starting while being serviced must be eliminated.

• If mechanical seal environmental accessories are installed, ensure water is flowing through the sight flow indicator and that filter cartridges are replaced as recommended.

(See Armstrong files 43.85 & 43.86 for seal environmental instructions).

2.7 lubrication

Pump Lubrication is not required. There are no bearings in the pump that need external lubrication service.

Large Series 4300 units are installed with a shaft bushing located beneath the impeller that is lubricated from the pump discharge. This bearing is field removable for service on the

20 × 20 × 19 size without disturbing the motor or other major pump components.

Service instructions for the lower bearing is to be found in

File no: 43.805.

Motor Follow the lubrication procedures recommended by the motor manufacturer. Many small and medium sized motors are per-manently lubricated and need no added lubrication. Generally if there are grease fittings evident the motor needs periodic lubrication. None if not.

Check the lubrication instructions supplied with the motor for the particular frame size indicated on the motor nameplate.

Mechanical Seal Mechanical seals require no special attention. The mechanical seal is fitted with a flush line. The seal is flushed from discharge of the pump casing on Series 4300 pumps and is flushed/vent-ed to the suction on close coupled pumps, Series 4360 & 4380.

The Series 4300 pump is flushed from the pump discharge be-cause the mechanical seal chamber is isolated from the liquid in the pump by a throttle bushing. Because the seal chamber is isolated, seal environmental controls such as filters and separa-tors, when installed in the Series 4300 flush line are very effec-tive, as only the seal chamber needs cleansing, and will prolong seal life in hvac systems.

Do not run the pump unless properly filled with water as the mechanical seals need a film of liquid between the faces for proper operation.

Mechanical seals may ‘weep’ slightly at start-up. Allow the pump to continue operating for several hours and the mechanical seal to ‘seat’ properly prior to calling for service personnel.

The following Armstrong files are available for mechanical seal replacement instructions:

• Series 4360 & 4380: File no. 43.81

• Series 4300: p-Base and tcz Motor Frame – File no. 43.84 tc Motor Frame – File no. 43.88

Commercial pumps Series 4300, 4360 and 4380

Vertical In–Line pumps

2.8 system cleanliness

Before starting the pump the system must be thoroughly cleaned, flushed and drained and replenished with clean liquid.

Welding slag and other foreign materials, Stop Leak and clean-ing compounds and improper or excessive water treatment are all detrimental to the pump internals and sealing arrangement.

Proper operation cannot be guaranteed if the above conditions are not adhered to.

note:

Particular care must be taken to check the following before the pump is put into operation:

a Pump primed?

b Rotation ok?

c Lubrication ok?

d Pipe work properly supported?

e Voltage supply ok?

f Overload protection ok?

g Is the system clean?

h Is the area around the pump clean?

warr anty Does not cover any damages to the equipment resulting from failure to observe the above precautions. Refer to Armstrong

General Terms and Warranty sheet. Contact your local

Armstrong representative for full information.

2.9 installation layouts fig. 2.1 Hanger supported pipe mounted.

fig. 2 . 2 Pipe mounted supported at ceiling.

Hangers support the weight of the filled piping, pumps and fittings

Pipe hanger (typ.)

See specification for size and type

System outletSystem inlet

Recommended field pressure gauge piping arrangement

Suction guide

Drain connection

2' or 3' height above finished floor

Flo-Trex valve

Pet cock

(typ.)

Flush line

Split coupler

Commercial pumps Series 4300, 4360 and 4380

Vertical In–Line pump fig . 2 .3 Discharge elbow for minimum footprint.

fig. 2 .5 Floor saddle support.

fig. 2 . 4 With additional pipe supports.

fig. 2 .6 Additional floor support.

Recommended field pressure gauge pip-ing arrangement

Suction guide

Drain connection

Hangers support the weight of the filled piping, pumps and fittings

System outletSystem inlet

Split coupler

Pipe hanger (typ.)

See specification for size and type

Flo-Trex valve

Flush line

Pipe support

Drain connection

Recommended field pressure gauge piping arrangement

Neoprene isolation pad

Suction guide

Hangers support the weight of the filled piping, pumps and fittings

System outletSystem inlet

Split coupler

Pipe hanger (typ.)

See specification for size and type

Flo-Trex valve

Flush line

2' or 3' height above finished floor

Flo-Trex valve

Gap

Commercial pumps Series 4300, 4360 and 4380

Vertical In–Line pumps fig. 2 .7 With stanchion plates.

fig. 2 .8 Seismic region installation.

fig. 2 .9 Horizontal mounting – 4360/4380 only to

15 hp (11 kW).

fig. 2 .10 Mounting in grooved pipe systems.

Isolation pads

Stanchion plates

Seismically Rated Snubbers or Pads and Concrete Foundation Seismically rated snubbers or pads and concrete foundation

Stanchion plates

Hangers support the weight of the filled piping, pumps and fittings

Pipe hanger (typ.)

See specification for size and type

System outlet

Flo-Trex valve

Flush line

System inlet

Split coupler

Gruvlok 7000 flex coupling (typ.)

7700 butterfly valve

Drain connection

Recommended field pressure gauge piping arrangement

Suction guide

Pet cock (typ.)

Commercial pumps Series 4300, 4360 and 4380

Vertical In–Line pump fig. 2 .11 Motor lif ting hook supported.

fig . 2 .12 Mounted on rigid base without flexible connectors; though suitable for plastic piping, such as Aquatic Centers.

fig. 2 .13 Tapped collection well.

Series 4300 seal leaks or condensate drain hole.

Plumb to drain for area cleanliness.

b u f f a l o t o r o n t o m a n c h e s t e r b a n g a l o r e s h a n g h a i a r m s t r o n g f lu i dt ec h n o lo g y. co m

#59, first floor, 3rd main margosa road, malleswaram bangalore, india

560 003

+91 (0) 80 4906 3555 wolverton street manchester united kingdom m11 2et

+44 (0) 8444 145 145

93 east avenue north tonawanda, new york u.s.a.

14120-6594

+1 716 693 8813

23 bertrand avenue toronto, ontario canada m1l 2p3

+1 416 755 2291

no. 1619 hu hang road, xi du township feng xian district, shanghai p.r.c.

201401

+86 21 3756 6696 a r m s t r o n g f lu i d t ec h n o lo g y established 1934 b i r m i n g h a m heywood wharf, mucklow hill halesowen, west midlands united kingdom b62 8dj

+44 (0) 8444 145 145 tm

Refer to appropriate service work instructions (swi) file for breakdown instructions for the pump being serviced.

Mechanical seal replacement instructions are included in the pump swi. The following instructions are included for convenience.

caution Always disconnect power supply from motor before beginning service work.

seal kit installation instructions 1 Remove impeller and mechanical seal from pump or motor shaft. The mechanical seal spring and spring holder usually comes free with the impeller. The mechanical seal rotating element must be pried loose with pry bars or screwdrivers.

Once loosened, the seal may be pulled free of the shaft.

2 When removing the impeller and seal from a motor shaft, take care to retrieve the spacer from between the impeller and shaft sleeve. Store for later use.

3 The o-ring or l-cup mounted mechanical seal seat must be pried loose from the recess in the adapter. To do this:

Separate the adapter from the bearing housing or motor.

A screwdriver may then be used to push the seal seat out of the adapter from the rear.

4 Clean the shaft sleeve surface, ensuring the entire former seal elastomeric residue has been removed. Inspect for dam-age and replace if necessary. (See separate instructions, File

No. 6042.25, for removal of the motor shaft sleeve). Inspect the water slinger and replace if damaged.

5 Silicon carbide is a suitable replacement for ceramic, ni-resist, or tungsten carbide and is the seal seat of choice.

Ceramic and silicon carbide are more brittle than ni-resist or tungsten carbide and should be handled accordingly.

6 Install a new seal seat in the adapter cavity, being sure the lapped (polished) surface of the insert is facing up. Ensure that the cavity has been thoroughly cleaned. Lubricate the outside of the seat elastomer o-ring or l-cup with a small amount of temporary rubber lubricant emulsion and press down, straight and even, into the cavity. Do not press the seat in with bare fingers; use a clean cloth or the cardboard disc typically supplied with the seal. Contamination of the polished and lapped seat face could cause immediate leakage.

7 Replace the adapter, taking care that the seal seat is carefully guided over the shaft.

8 Lubricate the inside of the seal rotating assembly (The

‘rubber’ bellows) with a small amount of temporary rubber lu-bricant emulsion and slide onto the shaft sleeve with a twisting motion, carbon face first, until pressed to the carbon face. En-sure the seal is securely in place by pushing firmly with 2 screw drivers simultaneously on opposite tabs of the seal hardware.

Push the rotating seal retainer and seal hardware tabs simulta-neously to ensure the elastomer is not over-stretched.

version française / versión en español / - armstrongfluidtechnology.com shaft key shaft seal seat cavity spacer*(used on 4280, 4380, 4360d, 4382 & 4392 l-cup seat

{seal head assembly rotating face, bellows, retainer and drive band assembly spring holder spring seal hardware tab (typ) seat o-ring

*important: Spacer may come off when old seal kit is removed.

Be sure it is on when installing new seal kit.

caution Do not use oil, Vaseline or other petroleum or silicon based products for seal elastomer lubrication.

Otherwise elastomer swelling may occur, causing seal failure. Recommended: International Products

Corp p-80 Rubber Lubricant Emulsion in usa & uk www.ipcol.com

File No: 40.90

Date: nov. 15, 2013

Supersedes: 40.90

Date: jan. 06, 2011

SERIES 4 030, 4280, 4 360D, 4 380, 4 382

& 4 392 | M EC H A N I C A L S E A L K IT S |

S E R V I C E W O R K I N S T R U C T I O N S service work instructions

Series 4030, 4280, 4360d, 4380, 4382 & 4392

Mechanical seal kits seal kit part number s - 1 . 25" 9975001-817 9750 0 0 -982 99750 01-813 m - 1 .625" 9975001-837 9750 0 0 -984 99750 01-833 l - 2 .125" 9975001-877 9750 0 0 -985 99750 01-873

Fluid type All glycols > 30% wt conc abrasives (tds) >2000ppm General non & potable water All other non-potable fluids

Temperature To 250°f / 121°c =/< 200°f / 93°c > 200°f / 93°c

Seal type 2a

Rotating face Sintered silicon carbide Resin bonded carbon Antimony loaded carbon

Stationary face Sintered silicon carbide

Seat elastomer epdm (l-cup) epdm (O-ring)

Secondary seal epdm

Spring Stainless steel

Rotating hardware Stainless steel

Material code SCsc l epss 2a C-sc l epss 2a ACsc o epss 2a

Used on: 4030/4280 4380/4382/4392 vil & 4360d

Seal Type: 2a

Pump Construction: bf/ab/ai

Stationary face: Sintered silicon carbide Secondary Seal: epdm

Spring: Stainless steel

Rotating Hardware: Stainless steel

Notes:

1 Seal kit consists of rotating seal head, spring and holder, stationary seal seat with O-ring or l-cup.

Pump casing gasket and other minor hardware components possibly required to reassemble the pump are not included.

Consult service parts bulletins for more detail.

2 O-ring and l-cup style seats are interchangeable between centerline discharge pumps. Both styles are used as standard for inside seals after October 2011.

3 O-ring and l-cup style seats are not interchangeable between centerline and legacy tangential discharge pumps.

9 Remove the spring retainer from the seal spring and place the seal spring over the seal rotating assembly. Re-install the shaft sleeve spacer, if appropriate, and impeller key on the shaft and place the seal spring retainer onto the impeller hub register.

Slide the impeller into place on the shaft, taking care and ensur-ing the seal spring is kept in place on the seal rotating assembly and fits well into the retainer on the impeller hub. Secure impel-ler and finish reassembling pump.

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+91 (0) 80 4906 3555

+44 (0) 8444 145 145

+44 (0) 8444 145 145

+1 716 693 8813

+1 416 755 2291

+86 21 3756 6696 a r m s t r o n g f lu i d t ec h n o lo g y established 1934

SERIES 4380 & 4360D

CLOSE COUPLED VERTICAL IN-LINE PUMP

(JM/JP MOTOR FRAME)

SERVICE WORK INSTRUCTIONS

FILE NO: 43.81

DATE: Oct. 19, 2010

SUPERSEDES: 43.81

DATE: July 30, 1998

For other Armstrong instructions pertaining to 4360D & 4380 pumps please refer to: Installation & Operating – File: 43.64, Shaft Sleeve Replacement – File: 6042.25, Mechanical Seals Kits – File: 6040.60”

The Series 4360D and 4380 pumps are motor mounted or “close coupled” type Vertical In Line pumps, on which are mounted vertical shaft-down ball bearing motors. Each pump and motor unit is pipe mounted and as such relies on the pip-ing only for support. The piping support is designed for the weight of the piping, liquid, pump and motor and other pipe fittings. The pumping unit should not be independently secured to the building structure. If the pump is mounted separately to any structure, the pump must be isolated from the piping with flexible piping connections. For units with larger motors it is advisable to install a permanent device for lifting the rotating assembly out of the pipe mounted casing to service the unit.

BREAKDOWN PROCEDURES:

1. ELECTRICAL WIRING

If the pump and/or motor assembly is to be serviced on a bench, the motor wiring must be disconnected.

2. ISOLATION VALVES

If the system is not drained: Ensure that the suction and discharge piping isolation valves are closed. Remove drain plug [105] from the bottom of the casing and drain the pump.

3. PREPARE ASSEMBLY FOR REMOVAL

Secure the motor [10], by lifting straps, to an overhead chainfall or similar lifting device. The device must be de-signed to lift the weight of the unit safely. Raise the lifter to bring the lifting straps taut. Disconnect the flush/vent tub-ing assembly and place carefully to one side. Remove the casing capscrews and washers [103 & 104]. Pry bars may then be inserted between the casing [100] and adapter [40]. Care should be taken not to apply pressure to the outside diameter of the adapter, to prevent possible break-age, outside pressure should be on the casing only.

4. REMOVE ROTATING ASSEMBLY

The rotating assembly (Motor, adapter and impeller [10, 40 & 80]) may now be lifted out of the casing.

5. ROTATING ASSEMBLY NOTES

The impeller [80] is fastened directly to the motor shaft and must be removed in order to replace the mechanical seal assembly [60/62]. This may be accomplished on a safe sur-face near the installation or, more conveniently, on a work bench.

6. IMPELLER CAPSCREW

The impeller [80] should be prevented from rotating while the impeller capscrew [86] is loosened. A heavy screwdriver may be inserted between the impeller blades to enable the impeller capscrew [86] to be backed off with a socket wrench. Remove the impeller capscrew and washer [86 & 83].

7. PUMP IMPELLER

Using wheel pullers, with the jaws behind the rear shroud of the impeller [80] (Behind a vane at each side) pull the impel-ler free of the pump shaft. Impellers that are difficult to re-move may be loosened by heating the impeller hub with a torch during the pulling process. Remove the impeller from the motor shaft. Note the impeller key and shaft sleeve spacer [71]. Remove both for storage.

8. REMOVE MECHANICAL SEAL FROM MOTOR

SHAFT

The mechanical seal spring usually comes free with the impeller. The mechanical seal rotating element [62] must be pried loose with pry bars or screwdrivers, placed under each side of the seal drive band. Leverage is applied against the adapter. Once loosened, the seal may be pulled free of the shaft.

Do not damage the carbon face when removing the rotating assembly. It may be needed for analysis if seal failure investigation is required.

9. REMOVE SEAL SEAT FROM ADAPTER

The mechanical seal seat [60], typically O-ring or L-cup mounted Silicon Carbide material, is pried loose from the recess in the adapter. If the seat cannot be removed in this manner, remove the motor capscrews [44] and separate the adapter [40] from the motor [10]. A screwdriver may then be used to push the seat out of the adapter from the rear.

10. REMOVE OLD CASING GASKET

The former casing gasket [101] should be scraped from the casing and adapter, leaving clean surfaces for the new gas-ket. (A standard putty knife and wire brush are useful for this purpose)

Exercise extreme care when handling power wiring. Ensure that the fuses are removed or breaker disconnected in the power line to the motor.