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ENGINE DIVISION SERVICE MANUAL
TM 5-4210-230-14&P-1
a.
Remove distributor plate (control unit) mounting
screws. (Figure 14).
b.
Carefully pull wiring grommet from slot in distributor
housing.
Fig. 14 Distributor Plate Mounting Screw
1. Mounting Screw
c.
Lift control unit assembly out of housing.
Fig. 15 Removing Electronic Control Unit
1. Electronic Control Unit
2. Grommet
5.
Measure and record distributor shaft end play (Figures
16 and 17). Measure end play between thrust washer
and gear (Figure 16) or thrust washer and thrust collar
(Figure 17). If end play exceeds specified limits, thrust
washers (upper and lower) should be replaced.
Excessive end play could result in failure or improper
engine timing.
Fig. 16 Checking Distributor Shaft End Play (Thrust Washer-
to-Gear Clearance) (Typical)
1. End Play
2. Driven Gear
Fig. 17 Checking Distributor Shaft End Play (Thrust Washer-
to-Thrust Collar Clearance) (Typical)
1. End Play
2. Thrust Collar
6.
Support distributor shaft on a wood block or in a vise
equipped with soft jaw shields and drive roll pin from
gear or thrust collar and distributor shaft using a punch
and hammer (Figure 18).
Fig. 18 Removing Distributor Driven Gear Pin
1. Punch
2. Pin
CGES-145-U Page 10
PRINTED IN UNITED STATES OF AMERICA
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