Thermo King T-1080S, Maintenance Manual

Page: 22 / 191

Maintenance Inspection Schedule
21
Electrical
• Check controller for alarms.
• Run pretrip test.
• Check battery voltage.
• Inspect battery terminals and electrolyte level.
• Inspect wire harness for damaged wires or connections.
• 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 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 (if so equipped) for leakage
and bearing wear.**
• Clean entire unit including condenser coils, evaporator coils, and
defrost drains.
• • • 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