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Maintenance Inspection Schedule (Rev. 04/03)
5
Refrigeration
•
Check refrigerant level and compressor oil condition.
•
Check suction pressure regulator regulating pressure on defrost or
heating cycle.
•
Replace dehydrator (every two years) and check discharge and
suction pressures.
Structural
•
Visually inspect unit for fluid leaks (coolant, oil, freon).
•
Visually inspect unit for damaged, loose or broken parts (includes air
ducts and bulkheads, if so equipped).
•
Inspect tapered roller bearing fanshaft and idler for leakage and
bearing wear (noisy).*
•
Clean entire unit including condenser and evaporator coils and
defrost drains.
•
Check all unit, fuel tank and electric motor mounting bolts, brackets,
lines, hoses, etc.
•
Check damper door adjustment and operation.
•
Inspect clutch.*
*With belt removed, spin bearings by hand. Listen for noise (bearings roll freely).
NOTE: Compressors are equipped with an oil filter. Every 2 years of operation or whenever there is a
major service procedure performed, both the compressor oil filter and filter-drier must be changed.
Fuel
Island
Pre-trip
Every
750
Hours
Annual/
3,000
Hours
Maintenance interval may be extended to 1000 hours when
equipped with bypass oil filter.
Inspect/Service These Items
Summary of Contents for 088669
Page 4: ......
Page 8: ......
Page 12: ...Safety Precautions Rev 04 03 iv PUB126...
Page 13: ...Safety Precautions Rev 04 03 v aea105...
Page 14: ......
Page 28: ...Unit Description Rev 04 03 14 Rear View Curbside RD II SR Evaporator aea105...
Page 32: ...Unit Description Rev 04 03 18 Power Receptacle Box RD II SR 50 aea102...
Page 76: ...Refrigeration Maintenance Rev 04 03 62...
Page 77: ...Refrigeration Maintenance Rev 04 03 63...
Page 81: ...Refrigeration Maintenance Rev 04 03 67...
Page 103: ...89 Hilliard Clutch Maintenance Clutch Assembly...
Page 106: ...Hilliard Clutch Maintenance Rev 04 03 92 12 Install retaining ring Clutch Torque Values...
Page 125: ...111 Cool Cycle RD II SR with TherMax Heating...
Page 126: ...112 Condenser Cycle RD II SR with TherMax Heating...
Page 127: ...113 Heat and Defrost Cycle RD II SR with TherMax Heating...
Page 129: ...115...
Page 130: ...116...
Page 131: ...117...
Page 132: ...118...
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