Thermo King UT-1200, Manual

Page: 26 / 169

Maintenance Inspection Schedule
26
Electrical
• Check controller for alarms.
• Run pretrip test
• Check battery voltage.
• • Inspect/clean battery terminals and check electrolyte level.
• • Inspect wire harness for damaged wires or connections.
• Check DC (battery charging) alternator bearings and brushes.*
• Inspect electric motor bearings.*
Structural
• • • Check for oil, fuel, coolant and refrigerant leaks.
• • • Visually inspect unit for damaged, loose or broken parts (includes air ducts and
bulkheads).
• • Inspect tapered roller bearing idlers for leakage and bearing wear (noise).
• • Check and clean evaporator and condenser coils.
• • Clean defrost drains.
• • Check all unit and fuel tank mounting bolts, brackets, lines, hoses, etc.
• Inspect clutch.*
*NOTE: With belt removed, spin bearings by hand. Listen for noise (bearings roll freely).
Pretrip 750
Hours
Annual
2,000
Hours
Inspect/Service These Items