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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:
86
Main Propulsion
Engine (Port) -
continued
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.
2-257
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