
Maintenance Inspection Schedule
94
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
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