Quantcast MALFUNCTION 3: Starter drive spins, but engine does not crank.

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TM 9-2815-220-24
ENGINE FAILS TO CRANK
0006 00
MALFUNCTION 2: (Continued)
Starter engages but engine does not crank (audible solenoid action or starter gear engagement).
PROCEDURE
OBSERVATION
ANALYSIS
No hydrostatic damage.
Cylinder(s) compression normal
Perform compression test to
(above 330 psi and less than 70
determine if hydrostatic lock
psi differential); go to END OF
has damaged engine
WORK PACKAGE.
(WP 0033, Cylinder
Compression Test).
PROBABLE CAUSE
CORRECTIVE ACTION
d. (Continued) Engine hydrostatic lock.
(5) If compression test indicates damage to
engine, repair or replace as necessary.
e. Engine seized internally.
(1) Repair and replace as required.
f. Transmission "locked up".
(1) Check transmission (refer to pertinent
vehicle technical manual).
(2) Repair or replace transmission as necessary
(refer to pertinent vehicle technical manual).
MALFUNCTION 3:
Starter drive spins, but engine does not crank.
PROBABLE CAUSE
CORRECTIVE ACTION
a. Starter clutch slipping or engagement
(1) Replace starter assembly (WP 0049, Starter
assembly damaged.
Motor Replacement).
b. Engine starter drive gear damaged (teeth
(1) Remove starter (WP 0049, Starter Motor
milled).
Replacement) and inspect engine drive gear
(WP 0157, Starter Drive Mechanism
Repair).
END OF WORK PACKAGE
WP 0006 00-4

 


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