Chevrolet CHEVY VAN G10 SERIES Service Manual page 313

DASH
SWITCH
S P L I C E
RCUIT
(W IPER O F F )
6
. Rem ove one (1) screw securing left h and heater duct to
engine cover shround and slip heater d u ct dow n and o u t.
7. P ro te ct carpet, then remove w indshield w asher hoses
from washer pum p.
8
. Rem ove (3) three screws securing w iper m oto r to cowl
and lift w iper m o to r o u t from under dash for fu rth er
disassembly on bench.
9. Install wiper in th e P A R K
DISASSEM B LY-ASSEM B LY PROCEDURES
N O T E : Required lubrication fo r various parts is
shown in the Lubrication Chart at the end of this
section.
Park Switch Removal
1. Remove washer pump Figure 12.
2. Remove screw retaining park switch. Refer to Figure 20.
3. Remove spacer. Refer to Figure 20.
4. Unsolder lead.
+
BLACK WITH
PINK STRIPE
SERIES FIELD
MOTOR
SHUNT FIELD
Fig. 1 7 —O F F C ircuit
position. Reverse steps 1-11.
E LE C TR IC A L - BODY A N D CHASSIS 12-13
BATTERY
IGNITION
SWITCH
RESISTOR
20 OHMS
BLACK
LEGEND
POWER CIRCUIT TO SERIES FIELD
SERIES FIELD AND ARMATURE CIRCUIT
SHUNT FIELD CIRCUIT
Terminal Board Removal
1. Remove washer pump.
2. Remove spacer. Refer to Figure 20.
3. Unsolder leads.
Gear Assembly Removal
1. Remove Washer pump.
2. Remove park switch. (See park switch removal.) Unsolder
lead only if required.
3. CLAMP CRANK ARM IN VISE and loosen crank arm
retaining nut. Remove nut and crank arm. Refer to
Figure 21.
4. Remove seal cap and using Truarc pliers No. 22 expan­
sion type, remove the "C" retaining ring. Refer to Figure
22. N ext, remove end play washers, shield, and outer
spacer washer. Refer to Figure 23.
5. Slide the gear assembly out o f the housing and remove
the inner spacer washer. Figure 24.
6. Slide drive plate and shaft assembly out o f gear and tube
assembly.
Except for installing the crank arm, to reassemble the
gear box, reverse the disassembly procedure.
WIPER TERMINAL
BOARD
C H E V Y V A N SH O P M A N U A L