TM 5-4310-386-14
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS).
W - Weekly
M - Monthly
S - Semiannually
H - Hourly
Interval
Item
No.
W
M
S
H
Item to be Inspected
Procedures
1
Compressor unit
Inspect for loose, damaged, or missing parts.
2
Compressor unit drive belt
Inspect drive belts for wear, fraying, peeling,
cracking, and tension. Adjust and replace belts as
needed (para. 4-20).
3
Air compressor
Inspect
Inspect air compressor for oil leaks, cracks, loose,
damaged, or missing parts.
250 Service
Service air compressor (para. 4-21).
Test
Check compressor for tag indicating last
hydrostatic test. If no tag is present or date on
tag is more then 1 year old, have compressor and
purification cylinders tested in accordance with
TB 43-0151.
4
Compressor air and oil lines
Inspect air and oil lines for cracks, holes, or loose
fittings. Notify your supervisor of damaged parts.
5
100 Flywheel/fanwheel assembly
Inspect cooling fins for damage. Replace any
items that are damaged or missing and clean
flywheel/fanwheel fins (para. 4-24).
6
Compressor fanwheel guard
Inspect guard and notify direct support mainte-
nance of any damage.
7
100 Air intake filter
Inspect air intake filter for cracks, loose, damaged,
or missing parts. Replace damaged parts. Refer
to para. 4-21.
4-13
