Gear Replacement

Unit Repair

Fig 14: Thrust Collar - Ring Removal:

Fig 15: Large Gear Removal:

Fig 16: Gear-Pawl Alignment:

Fig 15: Wiper-Washer Mechanism:

Gear Replacement

Important: Clamp crank arm in vise.

Remove or Disconnect

1. Crank arm retaining nut.
2. Crank arm.
3. Rubber seal cap.
4. Thruse collar or retaining ring. (Thruse collar is on original motor. Retaining ring to be used on service motor.).
5. Shim washers.
6. Shield.
7. Space washers.
8. Park switch assembly.
9. Large gear.
10. Inner spacer washer.
11. Intermediate gear retainer.
12. Intermediate gear.

Disassemble

1. Drive plate and shaft assembly.

Assemble

1. Drive palte and shaft assembly into new large gear.

Important: Move drive and lock pawls as required to allow their repective pins to fit in the gear pockets. Make sure drive plate is firmly against gear.

2. Intermediate gear.
3. New intermediate gear retainer.
4. Inner space washer onto large gear tube.
5. Large gear (See wiper-washer mechanism lube note).
6. Space washer.
7. Shield.
8. Shim washers as required to obtain 0.03 to 0.25 mm (0.001 to 0.010 in.) end play.
9. Retaining ring (in place of thruse collar on original motor).
10. Rubber seal cup.
11. Crank arm.

Tighten

1. Crank arm nut (in vice) to 42 Nm (31 lbs ft).

Inspect

Fig 5: Wiper On-Car Check:

1. Check for proper motor operation (See "Wiper On-Car Check").