Starting Motor - Inspect - Perkins 4008-30 Operation And Maintenance Manual

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SEBU9077-02
Illustration 76
7. Unscrew the sensor (2) by one complete turn to
obtain a clearance (X) of 0.5 mm to 0.8 mm
(0.02 inch to 0.03 inch).
8. Tighten the locknut (1). Do not allow the sensor (2)
to rotate. Connect the connection (3).
9. Remove Tooling (A).
10. Restore the electrical supply to the engine.
Type 2 Speed Sensor
1. Isolate the electrical supply to the engine.
Illustration 77
Typical example
2. Disconnect connector (2) from harness (1).
Remove sensor (3) from flywheel housing (5).
3. Use a soft, dry cloth to clean any debris from the
sensor (3).
Note: Do not use a wire brush to clean the sensor.
Do not use abrasive material to clean the sensor.
g01237854
Illustration 78
Typical example
4. Install Tooling (A). Use Tooling (A) to rotate the
engine. Rotate the engine to align a tooth on the
ring gear (6) with the center of the tapped hole.
5. By hand, carefully install the sensor (3) until light
contact is made with the ring gear tooth.
Note: Do not tighten the sensor.
6. Unscrew the sensor (3) by one complete turn to
obtain a clearance (X) of 0.5 mm to 0.8 mm
(0.02 inch to 0.03 inch).
7. Tighten locknut (4) to a torque of 25 N·m
(221 lb in). Do not allow rotation of the sensor (3).
8. Remove tooling (A) and connect connection (2) to
the harness (1). Restore electrical power to the
engine.

Starting Motor - Inspect

g06228451
If a starting motor fails, the engine may not start in an
emergency situation. A scheduled inspection of the
starting motors is recommended.
93
Maintenance Section
Starting Motor - Inspect
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i06729778

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