TM 9-4110-258-13
Table 2-1. Operator Preventive Maintenance Checks and Services - Continued
Location
Item
Interval
Item to
Procedure
Not Fully Mission
No.
Check/
Capable If:
Service
18
Weekly
Thermometer
Inspect the thermometer for cracked or missing
lens and loose or missing mounting hardware. If
damaged or loose, notify unit maintenance to
tighten or replace it as necessary.
19
Weekly
Indicators
Inspect the indicators for cracked or missing cap
and loose base. Tighten cap if loose. If damaged
or base is loose, notify unit maintenance to test,
tighten base, or replace as necessary.
20
Weekly
Hourmeter
Inspect the hourmeter for cracked or missing lens
and loose or missing mounting hardware. If
damaged or loose, notify unit maintenance to
test, tighten, or replace it as necessary.
NOTE
Operating the toggle switch can cause the
refrigeration unit to start or shut down.
21
Weekly
Toggle Switch
Inspect the toggle switch for damaged handle
Toggle switch will not
and loose or missing mounting hardware. Inspect
stay in START/RUN
for smooth operation to START/RUN and OFF.
position.
If damaged, loose, or operation is stiff or
binding, notify unit maintenance to test, tighten,
or replace it as necessary.
NOTE
Operating the circuit breaker can cause
the refrigeration unit to start or shut
down.
22
Weekly
Circuit
Inspect the circuit breaker for cracked or
Circuit breaker will not
Breaker
damaged handle and loose or missing mounting
stay in ON position or
hardware. Inspect for smooth operation to ON
handle is damaged.
and OFF. If damaged, loose, or operation is stiff
or binding, notify unit maintenance to test,
tighten, or replace it as necessary.
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