TM 5-3825-213-20
Service
Service
Inspe
Quar
Inspe
Quar
ction
terly
ction
terly
pumps of each engine, engine heaters,
11
Service the oil filters (TM 5-3825-213-10).
and personnel heaters for leaks, loose
Replace defective oil filters and lines (par.
mounting, damaged wiring, and broken
lines.
18
Tighten loose mountings, replace broken
Radiator. Inspect the radiator and hose for
12
12
lines (par. 182) and defective fuel
leaks, damaged or clogged core. Inspect
pumps (par. 176).
the shutter for secure mounting and
Carburetors and linkage.
Inspect the
19
19
proper operation.
carburetor for secure mounting, proper
12
Replace defective hose (pars. 162 and 165).
adjustment, and satisfactory operation.
Clean clogged radiator core and report
Inspect
the
linkage
for
loose
defective radiator to field maintenance,
connections or other damage.
3d echelon. Repair or replace defective
19
Adjust the carburetors (TM 5-3825-213-
shutter (par. 167).
10) or replace defective carburetors or
Water pump, fan and shroud. Inspect the
13
13
linkage (par. 174).
water pump for leaks and loose
Fuel filters. Inspect the fuel filters for
20
20
mounting. Inspect the shroud and fan for
loose mounting, broken or damaged
loose mounting, bends, or other damage.
lines, and leaks.
13
Replace defective shroud (par. 166) and fan
20
Tighten loose mountings and lines.
(par. 164). Report defective water pump
Service the filters (TM 5-3825-213-10).
to field maintenance, 3d echelon.
Replace defective fuel filters and lines
Belts and pulleys. Inspect the fan, alternator,
14
14
(pars. 175 and 182).
and air compressor drive belts for
Air cleaners. Inspect the air cleaners of
21
21
improper
tension,
fraying,
and
each engine for leaks or damage.
misalinement. Inspect the pulleys for
21
Replace or repair defective air cleaners
insecure mounting and other damage.
(par. 181). Tighten or replace leaking
14
Replace defective fan belt (par. 163) and
lines (par. 181).
alternator drive belt (par. 100). Replace
Tanks, caps, and gaskets. Inspect the fuel
22
22
defective alternator and fan pulley (par.
tanks for loose mountings, and leaks.
Inspect the breather holes for clogging.
Oil pump pressure relief valve. Inspect the oil
15
15
Inspect the valves and lines for leaks or
pressure relief valve on each engine for
damage.
satisfactory operation, by observing the
22
Replace defective valves and lines (par.
oil pressure gage after the engines are at
179). Tighten fuel tank loose mounting
normal operating temperature. The oil
and report damaged fuel tank to field
pressure at maximum governed speed of
maintenance, 3rd echelon.
2 600 rpm for each engine is 40 to 60 psi.
Fuel lines. Inspect the fuel lines for leaks
23
23
15
Report oil pressure relief valves which show
and loose connections.
unsatisfactory operation to field mainte-
23
Replace, repair, or tighten fuel lines and
nance, 3d echelon.
connections (par. 182).
Governor and linkage. Inspect the governor
16
16
Spark plugs. Inspect the spark plugs for
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24
on each engine for satisfactory operation.
loose mounting and loose terminal
Inspect the vacuum line for leaks or other
connection. Notice any irregular firing
damage. Inspect the governor for loose
of the engines. The proper spark plug
mounting.
gap is 0.025 to 0.028 inch.
16
Replace defective governor (par. 183).
24
Adjust, clean, or replace defective spark
Primer. Inspect the engines starting aid
17
17
plugs (par. 94).
primers and lines for loose mounting and
Batteries. Inspect the batteries for leaks,
25
25
broken or damaged lines.
condition, electrolyte level, secure
17
Replace defective or damaged primers and
mounting, and amount of charge.
lines (par. 177).
Inspect the battery cables and
Fuel pumps and housing. Inspect the fuel
18
18
connectors for damage and corrosion.
22