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 TM 55-1905-223-10
Table 2-2. Operator/Crew Preventive Maintenance Checks and Service - CONT
B - Before
D - During
A - After
W - Weekly
M - Monthly
INTERVAL
PROCEDURES
EQUIPMENT IS
ITEM
ITEM TO BE
CHECK FOR AND HAVE REPAIRED
NOT READY/
NO
B
DA W M
INSPECTED
OR ADJUST AS NECESSARY
AVAILABLE IF:
101
Main Propulsion
Check the engine for debris,
Debris, foreign
Engines (STBD)
foreign objects and loose or
objects wedged
broken fittings. Refer
or lodged in
problems to unit maintenance.
components.
Engine
Inspect engines, fuel injection
Accessories and
pumps and cooling pumps for
Connections
loose or damaged connections or
mountings.
Air Pressure
Check starting air pressure for
Low air
minimum of 125 psi reading.
pressure.
Oil Level
Check oil level between the add
and full mark on the engine
dipstick. Add oil if required.
Refer to LO 55-1905-223-12-2.
Cooling System
Check that engine coolant in
expansion tank is at full mark
in overhead sight glass.
Engine Idle
Tachometer should read 725-775
Idle speed
Speed
RPM.
below 725 or
above 775 RPM.
Fuel Oil
Check engine fuel supply.
Oil Pressure
Check gauge for proper oil
Oil Pressure
pressure (20 to 70 psi).
less than 20
psi or more
than 70 psi.
Cooling System
Check gauge for proper
Temperature
operating coolant temperature
more than
(160F to 203F).
180F.
Lube Oil
Check gauge for proper
Temperature
Temperature
operating oil temperature
more than
(175F to 195F)
195F.
2-271
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