Thermo King 914 724, Manual

Page: 15 / 111

5
Maintenance Inspection Schedule
First Week Inspection and Maintenance
After First Week of operation:
• Check the belt tension
• Tighten the unit mounting bolts
• Check the refrigerant level
• Check the compressor oil level
Weekly Monthly
Bi-
monthly Annually Inspect/Service These Items
ELECTRICAL
• •
Check defrost initiation and termination.
• •
Check thermostat cycle sequence.
• •
Check operation of protection shutdown circuits.
• •
Check thermostat and thermometer calibration in 32 F (0 C)
ice-water bath
• •
Inspect wire harness for damaged wires or connections.
•
Inspect/replace dc fan motor brushes yearly.
REFRIGERATION
• • • •
Check refrigerant level.
• • •
Check compressor oil level.
•
Replace dehydrator.
STRUCTURAL
• • • •
Visually inspect unit and refrigerant hoses for fluid leaks.
• • • •
Visually inspect unit for damaged, loose or broken parts.
• • • •
Clean defrost drains.
• • •
Inspect belts (CBci
2
20) for condition and proper tension (belt
tension tool P/N 204-427).
• • •
Clean entire unit including evaporator coil and condenser coil.
• •
Check all unit mounting bolts, brackets, lines, hoses, etc.