Icom IC-M71 Instruction Manual page 150

CONTAINERIZED KITCHEN (CK)
UNIT MAINTENANCE PROCEDURES
REFRIGERATOR
THIS SECTION COVERS:
Inspect, Test, Replace
INITIAL SETUP:
CK set up for operation
Refrigerator power cord unplugged
Maintenance Level
Unit
Tools and Special Tools
Tool Kit, General Mechanic's (WP 0052 00, Table 1, Item 1)
GENERAL
This procedure contains information and instructions for inspecting and repairing the
refrigerator. Refer to WP 0039 00 for repair parts information.
Unplug the power cord before performing any maintenance on the
refrigerator.
INSPECT
Inspect the door gasket for tears, cuts or deterioration that would prevent an adequate seal.
Inspect the shelf brackets for damage. Inspect the interior and exterior for dirt and foreign
materials that could cause a malfunction or restrict air flow. Inspect the swivel casters for
smooth operation. Inspect the power cord and plug for damage.
TEST
Refrigeration Unit: If the refrigerator is not cooling at all, check that the circuit breaker on the
Power Distribution Panel is ON and that the refrigerator power cord is properly connected.
Unplug the refrigerator and remove the screws from the access cover at the bottom rear of the
refrigerator. Unplug the connector at the bottom of the refrigerator and temporarily connect the
power cord to the 115 VAC outlet. If 115 VAC is present at the refrigerator end of the cord, the
refrigerator needs to be replaced. If 115 VAC is not present, recheck all power connections and
the power cord. Replace the power cord following the procedure in the next section.
If the refrigerator is not cooling sufficiently as indicated by the thermometer, turn the
temperature controller clockwise and determine if the compressor turns on and the temperature
gradually decreases. If it does not the temperature controller needs to be replaced. Follow the
replacement procedures in the next section. If the temperature controller is operating normally,
check the door gasket for leaks. This test can be performed by detecting cold air around the
TM 10-7360-226-13&P
WARNING
0022 00-1
0022 00