![background image](http://html1.mh-extra.com/html/thermo-king/ut-1280/ut-1280_operators-manual_1104418075.webp)
Maintenance Inspection Schedule
73
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