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Maintenance Inspection Schedule
22
Electrical
•
Check controller for alarms.
•
Run Unit Self Check Test.
•
Check battery voltage screen.
•
Inspect battery terminals and electrolyte level.
•
Inspect electrical contacts for pitting or corrosion.
•
Inspect wire harness for damaged wires or connections.
•
Check calibration of return and discharge air sensors, and optical
temperature sensors, in 32 F (0 C) ice water.
•
Check air switch setting.
•
Inspect alternator bearings and brushes*.
•
Inspect electric motor bearings* (Model 50).
*With Belt removed, spin bearings by hand. Listen for noise (bearings roll freely).
Refrigeration
•
•
Check refrigerant level.
•
Check compressor oil level.
•
•
Check suction pressure regulator or throttling valve setting on
Defrost or Heat.
•
Check discharge and suction pressures.
•
Check compressor efficiency.
—
Replace dehydrator and compressor oil filter every two (2) years.
Structural
•
•
Visually inspect unit for fluid leaks.
•
•
Visually inspect unit for damaged, loose or broken parts (includes air
ducts and bulkheads).
•
•
Inspect clutch for shoe and anchor bushing wear with a mirror. Check
bearings.*
•
Inspect idlers, fan shafts, and jackshaft for leakage and bearing
wear.*
•
Clean entire unit including condenser coils, evaporator coils, and
defrost drains.
•
Check defrost damper operation.
•
•
•
Check all unit, fuel tank, engine, and electric motor mounting bolts,
brackets, lines, hoses, etc.
*With belt removed, spin bearings by hand. Listen for noise (bearings roll freely).
Pretrip
1,200
Hours
2,000
Hours
Annual/
3,000
Hours
Inspect/Service These Items
NOTE: The 1,200 hour maintenance interval may be
extended to 2,000 hours or 1 year (whichever occurs first)
when equipped with EMI fuel filter and EMI bypass oil filter.
Summary of Contents for 919180
Page 4: ...4...
Page 10: ...Table of Contents 10...
Page 32: ...Unit Description 32 Unit Photographs Figure 3 Front View Figure 4 Back View AJA584 AJA585...
Page 33: ...Unit Description 33 Figure 5 Left Side View Figure 6 Right Side View AJA586 AJA58...
Page 35: ...Unit Description 35 Figure 8 North American Power Receptacle Box AJA58...
Page 38: ...Unit Description 38...
Page 58: ...Electrical Maintenance 58...
Page 66: ...Engine Maintenance 66 Figure 37 Fuel and Oil System Components...
Page 84: ...Engine Maintenance 84...
Page 96: ...Refrigeration Maintenance 96...
Page 118: ...Hilliard Clutch Maintenance 118...
Page 136: ...Cycle Diagrams 136...
Page 140: ...Wiring and Schematic Diagrams Index 140...
Page 141: ...141 Truck S Model SR 30 Schematic Diagram Page 1 of 2...
Page 142: ...142 Truck S Model SR 30 Schematic Diagram Page 2 of 2...
Page 143: ...143 Truck S Model 30 Units with P T Wiring Diagram Page 1 of 2...
Page 144: ...144 Truck S Model 30 Units with P T Wiring Diagram Page 2 of 2...
Page 145: ...145 Truck S Model 50 Schematic Diagram Page 1 of 2...
Page 146: ...146 Truck S Model 50 Schematic Diagram Page 2 of 2...
Page 147: ...147 Truck S Model 50 Units with P T Wiring Diagram Page 1 of 2...
Page 148: ...148 Truck S Model 50 Units with P T Wiring Diagram Page 2 of 2...