47PB0017R0004__Tab_10_HVAC-AHU-04-01Y-2012.pdf

Task GSA

Sequence

Task Type Description Nested

Job

Plan

Duration Meter Appointment

Required

Include in

Schedule

10 1 SPECIALINSTRUCTION In addition to the procedure(s) outlined in this standar d, the equipment manufacturer's recommended main tenance procedure(s) and/or instruction(s) shall be st rictly adhered to.

0:00 N Y

20 2 SPECIALINSTRUCTION Review manufacturer's instructions. 0:00 N Y

30 3 SPECIALINSTRUCTION Follow lock out/tag out procedures at all times. De-energize or discharge all hydraulic, electrical, mecha nical, or thermal energy prior to beginning work.

0:00 N Y

40 4 SPECIALINSTRUCTION Schedule shutdown with operating personnel, as nee ded.

0:00 N Y

50 5 SPECIALINSTRUCTION Preventive maintenance on associated equipment sh ould be accomplished at this time.

0:00 N Y

60 6 SPECIALINSTRUCTION Comply with the latest provisions of the Clean Air Act and Environmental Protection Agency (EPA) regulati ons as they apply to protection of stratospheric ozon e.

0:00 N Y

70 7 SPECIALINSTRUCTION No intentional venting of refrigerants is permitted. Dur ing the servicing, maintenance, and repair of refriger ation equipment, the refrigerant must be recovered.

0:00 N Y

80 8 SPECIALINSTRUCTION Whenever refrigerant is added or removed from equi pment, record the quantities on the appropriate forms

0:00 N Y

90 9 SPECIALINSTRUCTION Recover, recycle, or reclaim the refrigerant as approp riate.

0:00 N Y

100 10 SPECIALINSTRUCTION If disposal of the equipment item is required, follow re gulations concerning removal of refrigerants and disp osal.

0:00 N Y

110 11 SPECIALINSTRUCTION If materials containing refrigerants are discarded, co mply with EPA regulations as applicable.

0:00 N Y

120 12 SPECIALINSTRUCTION Refrigerant oils to be treated as hazardous waste. Re fer to Appendix G for the Universal Waste Guide.

0:00 N Y

130 13 SPECIALINSTRUCTION Closely follow all safety procedures described in the 0:00 N Y

140 14 SPECIALINSTRUCTION Material Safety Data Sheet (MSDS) for the refrigeran t and all labels on refrigerant containers.

0:00 N Y

150 1 CHECKPOINT Check fan blades for dust buildup and clean if neces sary.

0:00 N Y

160 2 CHECKPOINT Check fan blades and moving parts for cracks and ex cessive wear.

0:00 N Y

170 3 CHECKPOINT Check fan RPM against design specifications. 0:00 N Y

180 4 CHECKPOINT Check running motor amperatures on all three phase

s. Compare with manufacturer's specifications.

0:00 N Y

190 5 CHECKPOINT Check dampers for dirt accumulations, clean as nece ssary. Check belt, repair or replace as necessary.

0:00 N Y

200 6 CHECKPOINT Check damper actuators and linkage for proper oper ation. Adjust linkage on dampers if out of alignment.

0:00 N Y

210 7 CHECKPOINT Lubricate mechanical connections of dampers sparin gly.

0:00 N Y

220 8 CHECKPOINT If unit is a multi-zone air handler, then check each individual zone da mper and associated controls.

0:00 N Y

230 0 CHECKPOINT Condenser 0:00 N Y

240 9 CHECKPOINT Remove debris from air screen and clean underneath unit.

0:00 N Y

250 10 CHECKPOINT Pressure wash coil with proper cleaning solution. 0:00 N Y

260 11 CHECKPOINT Straighten fin tubes with fin comb. 0:00 N Y

270 12 CHECKPOINT Check electrical wiring and tighten loose connections

. Check fused disconnect switches for condition and operation.

280 13 CHECKPOINT Check mounting for tightness. 0:00 N Y

290 14 CHECKPOINT Check for corrosion. Clean and treat with inhibitor as needed.

0:00 N Y

300 15 CHECKPOINT Check fan or blower for bent or damaged blades and imbalance.

0:00 N Y

310 16 CHECKPOINT Lubricate shaft and motor bearings on fans and remo ve old or excess lubricant.

0:00 N Y

320 17 CHECKPOINT Inspect pulleys, belts, couplings, etc.; adjust tension and tighten mountings as necessary. Change badly worn belts. Multi-belt drives should be replaced with matched sets.

0:00 N Y

330 18 CHECKPOINT Condenser tubes should be inspected and cleaned.

Condenser tubes from open tower systems may hav e contamination or hard scale. Excessive corrosion, s caling, erosion and algae typically indicate improper or lack of an adequate water treatment program. Con s

0:00 N Y

340 19 CHECKPOINT Clean coils by brushing, blowing, vacuuming, or pres sure washing.

0:00 N Y

350 0 CHECKPOINT Evaporator 0:00 N Y

360 20 CHECKPOINT Evaporator tubes should be inspected and cleaned of scale. Inspect and clean temperature sensors and fl ow switches.

0:00 N Y

370 21 CHECKPOINT Inspect plumbing, valves and flanges for leaks and c orrect.

0:00 N Y

380 22 CHECKPOINT Check coils for leaking, tightness of fittings: 0:00 N Y

390 0 CHECKPOINT a. Check for refrigerant leaks using a halogen detect or or similar testing device. If leaks are not able to be stopped or corrected, report leak status to superviso

r. Consult the Material Safety Data Sheets (MSDS) fo r disposal requirements. Reclaimed and

400 0 CHECKPOINT b. Check refrigerant levels and recharge if needed. 0:00 N Y

410 23 CHECKPOINT Use fin comb to straighten coil fins. 0:00 N Y

420 24 CHECKPOINT Remove debris from air screen and clean underneath unit.

0:00 N Y

430 25 CHECKPOINT Inspect gaskets. Look for leaks between unit and stru cture, caulk as necessary.

0:00 N Y

440 26 CHECKPOINT Clean condenser, cooling coil fins, and fans. 0:00 N Y

450 27 CHECKPOINT Remove dirt or dust from all interior parts. 0:00 N Y

460 28 CHECKPOINT Replace filter. 0:00 N Y

470 29 CHECKPOINT Inspect and adjust damper. 0:00 N Y

480 30 CHECKPOINT Lubricate motor and fan bearings. 0:00 N Y

490 31 CHECKPOINT Check fan RPM to design specifications. 0:00 N Y

500 32 CHECKPOINT Check bearing collar set screws on fan shaft to make sure they are tight.

0:00 N Y

510 33 CHECKPOINT Check dampers for dirt accumulations. Check felt. Re pair or replace as necessary.

0:00 N Y

520 34 CHECKPOINT Check damper motors and linkage for proper operati on.

0:00 N Y

530 35 CHECKPOINT Lubricate mechanical connections of dampers sparin gly.

0:00 N Y

540 0 CHECKPOINT Compressor(s) 0:00 N Y

550 36 CHECKPOINT Lubricate drive coupling. 0:00 N Y

560 37 CHECKPOINT Lubricate motor bearings (non-hermetic). 0:00 N Y

570 38 CHECKPOINT Check and correct alignment of drive couplings. 0:00 N Y

580 39 CHECKPOINT Inspect evaporator tubes for scale. Clean if required.

Leak test tubes using a halogen leak detector or suit able substitute.

0:00 N Y

590 40 CHECKPOINT Add refrigerant per manufacturer's instructions if nee ded.

0:00 N Y

600 41 CHECKPOINT Check compressor oil level. 0:00 N Y

610 42 CHECKPOINT Run machine; check action of controls, relays, switch es, etc. to see that:

620 0 CHECKPOINT a. Compressor(s) run at proper settings. 0:00 N Y

630 0 CHECKPOINT a. Check compressor oil level. 0:00 N Y

640 0 CHECKPOINT b. Run machine, check action of controls, relays, swit ches, etc., to see that:

0:00 N Y

650 0 CHECKPOINT c. compressor(s) run at proper settings. 0:00 N Y

660 0 CHECKPOINT d. reheat coils activate properly. 0:00 N Y

670 0 CHECKPOINT e. crankcase heater is operating properly. Gas and/or oil fired (if equipped).

0:00 N Y

680 0 CHECKPOINT i. Check burner for flashback and tight shutoff of fuel. 0:00 N Y

690 0 CHECKPOINT ii. Check operation of controls. Clean and adjust if ne cessary.

0:00 N Y

700 0 CHECKPOINT iii. Clean burner, chamber, thermocouple and control.

(Use a high suction vacuum and/or brush.) Check co mbustion chamber for cracks, holes, or other defects.

0:00 N Y

710 0 CHECKPOINT iv. Adjust pilot or electric ignition device. 0:00 N Y

720 0 CHECKPOINT v. Inspect vent and damper operation. 0:00 N Y

730 0 CHECKPOINT vi. Operate unit and adjust burner. 0:00 N Y

740 0 CHECKPOINT vii. Check operation of safety pilot, gas shutoff valve, and other burner safety devices.

0:00 N Y

750 0 CHECKPOINT viii. Check temperature differential and controls. 0:00 N Y

760 0 CHECKPOINT ix. Check frame of unit with ohmmeter for proper elec tric ground.

0:00 N Y

770 0 CHECKPOINT x. Replace covers (if any) and clean area. 0:00 N Y

780 0 CHECKPOINT f. Electrical (if equipped). 0:00 N Y

790 0 CHECKPOINT i. Visually inspect for broken parts, contact arcing or any evidence of overheating. Inspect all wiring for det erioration.

800 0 CHECKPOINT ii. Check name plate for current rating and controller manufacturer's recommended heater size. (Heater si ze shall not be changed without the regional design e ngineer's approval.)

0:00 N Y

810 0 CHECKPOINT iii. Check line and load connections and heater moun ting screws for tightness.

0:00 N Y

820 0 CHECKPOINT g. suction and discharge pressures are proper. 0:00 N Y

830 0 CHECKPOINT h. discharge air temperature is set properly. 0:00 N Y

840 43 CHECKPOINT Check and adjust vibration eliminators. Replace as n ecessary.

0:00 N Y

850 44 CHECKPOINT Sample test the refrigerant and oil to verify complianc e with the Air Conditioning and Refrigeration Institute standards. Based on the results, refrigerant may nee d to be replaced or recycled, and oil replaced.

0:00 N Y

860 45 CHECKPOINT Check and calibrate safety controls. 0:00 N Y

870 0 CHECKPOINT Gas Burner 0:00 N Y

880 46 CHECKPOINT Check operation of all gas controls and valves includi ng: manual gas shutoff; petal gas regulator; safety sh utoff valve (solenoid); automatic gas valve; petal sole noid valve; butterfly gas valve, motor, and safety peta l solenoid (if used.)

0:00 N Y

890 47 CHECKPOINT Check flue connections for tight joints and minimum r esistance to air flow. (combustion chamber, flues, bre aching, and chimney are clear before firing.)

0:00 N Y

900 48 CHECKPOINT Draft regulators require slightly negative pressure in t he combustion chamber at maximum input.

0:00 N Y

910 49 CHECKPOINT On forced draft burners, gas manifold pressure requir ements should correspond with modulating (butterfly) valve in full open position and stable at all other firin g rates.

920 50 CHECKPOINT At high and low fire rates on burners equipped with O

FF/LOW FIRE/HIGH FIRE control.

0:00 N Y

930 51 CHECKPOINT At single firing load point on boilers equipped with OF

F/ON controls only.

0:00 N Y

940 52 CHECKPOINT Check burner for flashback and tight shutoff of fuel. 0:00 N Y

950 53 CHECKPOINT Check operation of automatic controls and combustio n flame safeguards. Clean and adjust, if necessary.

0:00 N Y

960 54 CHECKPOINT Operation and adjustments should conform with man ufacturer's instructions.

0:00 N Y

970 55 CHECKPOINT Flush and clean condensate pans and drains, remov e all rust prepare metal and paint. Consult the Materi al Safety Data Sheet (MSDS) to ensure that the paint lead level is 0.06% or less. Hose down coils and drai n pans and wash with an appropriate EPA approv

0:00 N Y

980 56 CHECKPOINT Check rigid couplings for alignment on direct drives, and for tightness of assembly. Check flexible couplin gs for alignment and wear.

0:00 N Y

990 57 CHECKPOINT Vacuum interior of unit. 0:00 N Y

1000 58 CHECKPOINT Blow out motor air vents with compressed air only. 0:00 N Y

1010 59 CHECKPOINT Check filter doors and access doors for proper gaske ting and air leaks. Correct as necessary.

0:00 N Y

1020 60 CHECKPOINT Lubricate fan shaft bearings while unit is running. Ad d grease slowly until slight bleeding is noted from the seals. Do not over lubricate. Remove old or excess lu bricant.

0:00 N Y

1030 61 CHECKPOINT Ensure that drains are clear and running. 0:00 N Y

1040 62 CHECKPOINT Clean up work area. 0:00 N Y