TM 9-4110-254-14
Table 2-1. Operator Preventive Maintenance Checks and Services - Continued
Location
Item
Interval
Item to Check/
Procedure
Not Fully Mission
No
Service
Capable If:
Refrigeration
Unit Interior
WARNING
High voltage and exposed rotating parts are
contained in the refrigeration unit. Personal
injury can result if power is connected with
doors open.
Inspect the V belt for frayed edges, cracks, glazing,
10
After
V Belt
V belt Is frayed, cracked,
or hard brittle condition Inspect for excessive
glazed, or hard and brittle
looseness or slippage. If damaged or loose, notify
V belt is excessively loose
unit maintenance to tighten or replace it as
or slipping.
necessary.
Inspect pulleys for cracks, chips, or warpage.
11
After
Pulleys
Pulleys are cracked,
Inspect for secure mounting to shaft If damaged or
chipped, warped, or loose
loose, notify unit maintenance to tighten or replace
on shaft.
it as necessary.
12
After
Fan Drive Shaft
Inspect fan drive shaft for cracks, chips, or
Fan drive shaft is cracked,
warpage. If damaged, notify unit maintenance to
chipped, or warped.
replace it as necessary.
Refrigeration
Unit Exterior
a. Inspect the pressure gages for cracked or
13
Weekly
Pressure Gages
missing lens and loose or missing mounting
hardware. If damaged or loose, notify direct
support maintenance to tighten or replace it
as necessary.
b. Inspect the gages for evidence of refrigerant
Evidence of leak is found.
leak. If damaged or evidence of leaking
found, notify direct support maintenance to
replace it.
2-11
