Thermo King 002008, Manual

Page: 18 / 155

Maintenance Inspection Schedule
18
Electrical
• • • Inspect battery terminals and electrolyte level.
• • • Inspect wire harness for damaged wires or connections.
• • • • Check operation of damper door (closes on defrost initiation and
opens on defrost termination).
• Inspect alternator wire connections for tightness.
— Inspect electric motor, replace bearings yearly or every 6,000 hours.
Refrigeration
• • • • Check refrigerant level.
• • • Check for proper suction pressure.
• • • Check throttling valve regulating pressure.
• Check compressor oil level and condition.
• Check compressor efficiency and pump down refrigeration system.
— Replace dehydrator and check discharge and suction pressure 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 tapered roller bearing fanshaft and idlers for leakage and
bearing wear (noise).
• • • Clean entire unit including condenser and evaporator coils and
defrost drains.
• • • Check all unit and fuel tank mounting bolts, brackets, lines, hoses,
etc.
• • • Check evaporator damper door adjustment and operation.
Host Unit (Continued)
Pretrip
Every
1,500
Hours
Every
3,000
Hours*
Annual/
4,500
Hours
Inspect/Service These Items
* 3,000 hours or two years, whichever occurs first.
Remote Evaporator(s)
Pretrip
Every
1,500
Hours
Every
3,000
Hours*
Annual/
4,500
Hours
Inspect/Service These Items
Electrical
• • • Inspect wire harness for damaged wires or connections.
• • • Inspect/replace DC fan motors.
Structural
• • • • Visually inspect unit for fluid leaks.
• • • • Visually inspect unit for damaged, loose, or broken parts.
• • • Clean entire unit including evaporator coils and defrost drains.
• Check all unit mounting bolts, brackets, lines, hoses, etc.