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TRUCK SERVICE MANUAL
TM 5-4210-230-14&P-1
BODIES AND CABS
CHAPTER I
WINDSHIELD WIPER (ELECTRIC)
Fig. 1 Electric Windshield Wiper components
DESCRIPTION
The standard windshield wiper available on S-Series
Trucks is the electric cowl mounted dual wiper system shown
in Fig. 1. Except for the control switch, which is mounted on
the instrument panel, all service on the wiper system is
performed at front of cab.
OPERATION
When control switch is turned to "LO" or "HI" wiper
speed is controlled accordingly. When control switch is turned
off, wiper blades move automatically to "park" position on
windshield (50 mm or 2 inches up from bottom of windshield).
Reciprocating action of wiper arms results from rotation of
drive lever on wiper motor.
IMPORTANT
Do not attempt to move wiper blades through their
arc by grasping wiper arm. This action can damage
motor internal parts or bend wiper linkage. Also, if
blades are frozen to windshield, do not operate
control switch until blades have been freed.
REMOVAL
Linkage
1.
Remove windshield washer hose from fittings on top of
cowl.
2.
Remove wiper blades and arms (Fig. 2). Do not lose
articulating rod end clip.
Fig. 2 Removing Wiper Arms
CTS-2732 Page 1
PRINTED IN UNITED STATES OF AMERICA
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