Table 4-2. Unit Preventive Maintenance Checks and Services (PMCS)
Quarterly Schedule - continued
Item
Item to be
Procedures
Paragraph
Number
Inspected/Serviced
Reference
14
Compressor
a. Wipe or vacuum all dust or dirt from the compressor
canister, and all other remaining components and
surfaces in the lower section of the cabinet.
b.
associated thermostat for condition.
c.
Inspect wiring harness for damage or chafing, and all
electrical connections for tightness.
d.
Check all compressor mounting hardware for tightness
and security.
e.
Check all remaining refrigeration system components in
the lower section of the cabinet for general condition.
15
Control Assembly
Inspect all remaining wiring harne ses in the lower
s
section of the cabinet for damage or chafing, and all
electrical connections for tightness.
16
Bottom Panel
a. Wipe or vacuum all dust, dirt, sand, or other foreign matter
from surfaces and water passages in the bottom panel
assembly.
b.
Check that water flows freely through the installed
condensate drain(s).
4-31
TM 9-4120-402-14
Table 4-2. Unit Preventive Maintenance Checks and Services (PMCS)
