TM 5-3740-214-14
Table 4-1. Organizational Preventive Maintenance Checks and Services (Continued)
M = Monthly
A/R = As Required
Q = Quarterly
H = Hourly
INTERVAL
ITEM
ITEM TO BE INSPECTED
NO. M A/R
Q
H
PROCEDURE
COMPRESSOR ASSEMBLY (Continued)
(4) When the belt tension is correct, tighten the compressor mounting nuts.
(5) Replace the belt guard.
100
e. Change compressor crankcase oil.
(1) Remove dipstick.
(2) Place pan under crankcase drain valve.
(3) Drain oil and close valve.
NOTE
Drain oil when it is warm. It will drain faster when it is warm.
(4) Add 1.5 pints of synthetic reciprocating compressor oil through dipstick hole.
Refer to page 1-6 for correct compressor oil.
CAUTION
DO NOT overfill. The oil level must never be higher than the top mark on the
dipstick. If it is, drain oil until reaching the correct level.
(5) Install dipstick.
75
f. Change compressor air filters. The compressor air filter elements must be replaced
after each 75 hours of operation or sooner, as necessary.
4-12
