Chevrolet 30 Series 1967 Service Manual page 526

ELECTRICAL—BODY AND CHASSIS 12-26
Fig. 31 - W indshield W ip e r Assy. - T ilt Cab
1. Crown Nut
2. Lock W asher
3. W ip e r Arm Assembly
4. Knurled Driver
5. Rain Shield
6. Shaft Ferrule Retaining
Nut
1. Nut 5. W asher
2. Crank Arm 6. G e a r Box Cover
3. Seal Cap 7. Output G e a r and
4. Retaining Ring Shaft Assembly
O u ter Washer
Inner Washer
Shaft Ferrule (Part of Motor
Assembly)
.
10
Retaining Bolts
.
11
M otor Assembly (Includes
Bracket)
Fig. 32 - W ip er M otor and G e a r Box Assembly
8. Intermediate G e a r
9. W a v e Washer
10. G e a r Box Housing
11. Brush Plate Assembly and
Mounting Brackets
remove heater assembly before wiper motor
may be serviced.
.
Disconnect battery ground cable.
1
.
2 Remove nut retaining wiper on to shaft.
3.
Pull arm, knurled driver and rain shield from shaft.
4.
Remove nut retaining shaft ferrule to body outer
panel; remove washers.
5.
From inside vehicle, remove four screws retaining
motor assembly to dash and remove assembly from
vehicle.
.
6 To install, reverse removal procedure.
WIPER MOTOR DISASSEMBLY
Gear Box
Refer to Figure 32.
1. Remove the two washer pump mounting screws (fig.
36) and lift pump off washer.
2. Remove washer pump drive cam as required (fig. 37).
The cam is pressed on the shaft but can be wedged
off by using two screw drivers between cam and
plate.
3. Clamp crank arm in a vise and remove crank arm
retaining nut.
CAUTION:
Failure to clamp crank arm may
result in stripping of wiper gears!
4. Remove crank arm, seal cap, Tru-Arc retaining
ring, and end-play washers.
NOTE: Seal cap should be cleaned and re­
packed with a water-proof type grease before
reassembly.
12. Brushes
13. W a ve Washers
14. Flat Washers
15. Armature
16. Thrust Plug
17. Frame and Field
18. End Plate
19. Tie Bolts (Two Required)
CHEVROLET TRUCK SERVICE M ANUAL