Dismantle Inspection and test

WIPER MOTOR 11. Withdraw yoke and armature.

12. Remove brush gear assembly.

Service repair no - 84.15.18. 13. Remove limit switch.

Dismantle Inspection and test

1. Remove wiper motor from vehicle. See Repair, 14. Check brushes for excessive wear, if they are Wiper motor and drive rack
2. Remove wiper motor gearbox cover.
3. Remove circlip and plain washer securing 15. Using a push type gauge, check that brush connecting rod.
4. Withdraw connecting rod.
5. Withdraw flat washer.
6. Remove circlip and washer securing shaft and gear. 16. Test armature for insulation and open- or
7. Clean any burrs from gear shaft and withdraw gear.
8. Withdraw dished washer. 17. Examine gear wheel for damage or excessive
9. Add alignment marks to yoke and gearbox for reassembly.

worn to 4,8 mm in, 0.21 in length, fit a new brush gear assembly.

spring pressure is 140 to 200 g, 5 to 7 oz when bottom of brush is level with bottom of slot in brush box. Fit a new brush gear assembly if springs are not satisfactory.

short-circuits. Use a 110 V 15 W test lamp. Fit a new armature if faulty.

wear.

10. Remove yoke securing bolts.

Key to wiper motor components

1. Flexible drive
2. Gearbox cover
3. Connecting-rod retaining washer and circlip 10. Yoke securing bolts
4. Connecting-rod 11. Armature and yoke
5. Flat washer 12. Brush gear assembly
6. Gear shaft retaining washer and circlip 13. Limit switch
7. Drive gear
8. Dished washer
9. Alignment marks - yoke to body