Opel 1900 1973, Service Manual

Page: 58 / 625

WINDSHIELD WIPERS 37
WIPERS
ALL MODELS
CONTENTS
Subject
DESCRIPTION AND OPERATION:
Windshield Wiper Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIAGNOSIS:
Windshield Wiper . . . . . . . . . . . . . . . . . . . , , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MAINTENANCE AND ADJUSTMENTS: (Not
Applicable)
MAJOR REPAIR:
Transmission 1900 and Manta
. . . . . . . . . . . . . . . . . . . .
W/per Transmission GT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly of Wiper Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning and Inspection of Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Assembly of Wiper Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIFICATIONS:
General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque Specifications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AND OPERATION
The wiper consists of a round shaped per-
manent magnet type motor and speed reduction gear
box.
The motor is controlled through a dash
mounted on all cars. The Rallye and GT, in
addition the dash mounted switch, also have a
switch in conjunction with the windshield
washer fodt pump. Depressing the washer pump will
allow the
to operate while the pump is de-
pressed.
INSPECTION
1. Make of firm wire connections at wiper
motor fuse block and wiper switch.
Page No.
1 E-37
1 E-37
E-38
E-38
E-40
E-41
E-4 1
E-42
1 E-43
1 E-43
2. Check to see that the fuse is not blown.
3. Be sure wiper motor is not loose on fire wall.
4. With the yellow wire disconnected from terminal
No. 53 on the motor, turn the ignition switch
and wiper switch to the on position and check volt-
age available to the wiper motor. There should be 12
volts available at the
wire with a properly
charged battery.
Checking Wiper Operation
1. ignition switch on and engage wiper switch
to see if wiper motor will operate.
2. If wiper action is slow or inoperative, turn swit-
ches off and detach wiper control from crank
arm.
3. Operate wiper manually checking for excessive
bind
in linkage. Correct if necessary.