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 TM 5-2420-222-20-1
ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) CONTINUED
B BIENNIALLY
H HOURLY
INTERVAL
ITEM TO BE INSPECTED
ITEM
PROCEDURE: CHECK FOR AND HAVE REPAIRED, FILLED,
NO.
B
H
REPLACED, OR ADJUSTED AS NEEDED
12
COOLING SYSTEM
a. Drain, flush, and fill cooling system (page 2-351).
b. Clean radiator cooling fins and side grilles as follows: (1) Remove side grilles (TM 5-
2420-222-10).
WARNING
Compressed air used for blowing away chips, dirt, etc., must leave nozzle at less than 30
psi (207 kPa) to prevent personal injury. Be certain that nozzle is rated to provide a
maximum of 30 psi (207 kPa). Be sure to wear safety goggles or lenses when using
compressed air. Compressed air and particles moved by compressed air can cause
damage to your eyes.
(2)
Using reciprocating air compressor, air compressor hose, and air blow gun, blow out dirt and other debris from
back to front of radiator (1) and inside to outside of two side grilles (2).
(3)
Install side grilles (TM 5-2420-222-10).
2-10
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