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 TM 5-1940-277-20
TM 1940-20/2
Table 2-1. Unit Preventive Maintenance Checks and Services (cont)
W-Weekly
Q-Quarterly
S-Semiannually
Item to be inspected
Interval
Procedure: Check for and have repaired, filed,
Item
or adjusted as needed
No.
S Item
Perform all operator PMCS first
WQ
5
NOTE
(Cont)
Perform step a and b for MK1 or MK2 with Sabre engine.
Perform step c for MK2 with Cummins engine.
a.
Silencer assemblies (1). Remove silencer assembly from the turbocharger.
Remove silencer (2) and air filter (3) from cover (4). Check for missing,
cracked, or crushed parts.
b.
Air filter assembly (3). Clean air filter, silencer, and cover in a detergent-
water solution, rinse in fresh water, and dry. Repair or replace loose or
missing sponge rubber. Install air filter and silencer in cover and install
silencer assemblies on the turbochargers.
c.
Air filter assembly (5). Remove air cleaner filter (5) from turbocharger
inlet (6) on each engine, and clean or replace air cleaner filters (5) as
necessary. (refer to paragraph 3-133).
6
ENGINE BREATHER SYSTEM.
MK1 OR MK2 WITH SABRE ENGINE
NOTE
Perform step a and b for MK1 or MK2 with Sabre engine.
Perform step c for MK2 with Cummins engine.
a.
Breather Tubing (1). Check for leaks and loose or missing clamps. Check if
tubing is kinked, crushed, torn, or missing. Check for loose or missing
hardware.
b.
Breather trap (2). Disassemble, clean, and inspect for damage. Install new
gaskets (3) and assemble.
Change 2
2-7
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