ELECTRICAL-BODY AND CHASSIS 12-59
NOTE: it may be necessary at this point to
rotate the armature slightly before the worm
will engage with the worm gear.
5.
Rotate the case as required to align the holes in the
case with those in the housing.
6. Being very careful not to pinch any of the motor
leads between the case and edge of the field, push the
case onto the field until it butts against the housing.
7.
Secure case to housing with two tie bolts.
8. Install end-play adjusting screws and locknut and
adjust end-play by tightening adjusting screw finger
tight; then back off screw 1/4 turn and tighten
locknut.
GEAR BOX SECTION
The gear box section is subdivided into two areas, (A)
the relay control and latching mechanism and (B) the
drive gear mechanism.
A—Relay Control and Latching Mechanism:
Disassembly
1.
Remove four screws which secure the washer pump
assembly to gear box.
2.
Refer to Figure 97. Disconnect coil spring, remove
"E"
ring and lift the latch and follower assembly off
the pivot pin and relay armature.
3.
Remove the stop assembly retaining screw. This
will permit the stop assembly to be moved as neces-
sary to allow clearance for removing the relay con-
trol assembly.
Fig.
100 - Assembly Gear and Eccentric Shaft
4.
Remove the two screws that secure the relay control
assembly.
5.
Lift the relay control assembly out of the gearbox
and unsolder leads as required.
Reassembly
1.
Solder existing green and yellow wiper leads to relay
control switch and solder the relay coil Iea4 to the
wiper unit terminal board as shown in Figure
B—Drive Gear Mechanism:
Disassembly
Refer to Figure 84 unless other wise specified.
1.
Remove the crank arm retaining nut (No. 1).
2.
Remove crank arm (No. 2), snap ring (No. 3) and
rubber seal (No. 4).
3.
Remove the retaining ring (No. 5), end play washers
(No.
6), shield (No. 7) and spacer washer (No. 8).
4.
Follow Steps 1 through 3 under relay control and
latch mechanism disassembly.
Fig.
99 - Lock and Drive Pawi Mechanism
Fig.
101 - Drive Gear Mechanism Installed
CHEVROLET CHASSIS SER\
