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 TM 9-2815-220-24
ENGINE ABNORMAL OIL PRESSURE
0018 00
MALFUNCTION 11:
Generator oil pressure abnormal (650 Ampere generator, PN 11655469 only).
PROBABLE CAUSE
CORRECTIVE ACTION
b. (Continued) Generator oil pump failure.
(2) Replace generator (WP 0051, Generator
Replacement (650 Ampere) (2CA).
c.
Drive clutch failure.
(1) Perform Clutch Test as follows:
PROCEDURE
OBSERVATION
ANALYSIS
Note if there is slippage of
Torque check (generator removed).
If slippage occurs
the drive gear while
Check slip torque of drive gear
below 167 foot pounds,
increasing torque to
assembly with generator coupling
drive gear assembly is
167 foot pounds.
tool and torque wrench (300 foot-
defective.
pound capacity).
If no slippage occurs
below 167 foot pounds,
slip torque is
acceptable, but gear
assembly may have
other damage (low
torque rate). Proceed to
2 below.
Note deflection in degrees
Check torque rotational deflection
If rotation is more than
8, but less than 17,
from zero torque to 167
rate. Using tool and torque wrench
foot-pound torque.
as in 1 above, apply 167 foot-pound
drive gear assembly is
torque.
satisfactory.
If rotation is greater
than 17, or less than
8, the drive gear
assembly is defective.
END OF WORK PACKAGE
WP 0018 00-6
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