(b)  
70A4, WINDOW HTR 3R

 (c)  
70C13, WINDOW HTR L

 S 865-019
 (3)  
Make sure the WIPER switch on the windshield wiper/rain repellent panel (M10023) on the P5 panel is in the OFF position.

 S 865-020

 (4)  
Supply electrical power to the main ac buses (Ref 24-22-00).

 S 865-021

 (5)  
If you will adjust only the left wiper, do these steps:

 (a)  
Open this circuit breaker on the overhead circuit breaker panel, P11, and attach a DO-NOT-CLOSE tag: 1) 11R22, WSHLD WIPER RIGHT

 (b)  
Remove the DO-NOT-CLOSE tag and close this P11 panel circuit breaker: 1) 11R13, WSHLD WIPER LEFT

 S 865-022
 (6)  If you will adjust only the right wiper, do these steps:
 (a)  
Open this circuit breaker on the overhead circuit breaker panel, P11, and attach a DO-NOT-CLOSE tag: 1) 11R13, WSHLD WIPER LEFT

 (b)  
Remove the DO-NOT-CLOSE tag and close this P11 panel circuit breaker: 1) 11R22, WSHLD WIPER RIGHT

 G.  Procedure - Wiper Speed, Sweep, and Park Position Adjustment/Test (Fig. 501)
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A
757
MAINTENANCE MANUAL

WINDSHIELD FRAME SURFACE
WIPER SWEEP AREA
WIPER BLADE WIPER BLADE
(MIDSTROKE LOCKNUT POSITION)
BLADE LOCK
LEVER
WIPER ARM
A 
MOTOR-
CONVERTER  WIPER BLADE 
(PARK POSITION) 
A  LIFT BLOCK 

WIPER ARM HUB
WINDSHIELD
SEE A FRAME SURFACE
GASKET
LOCKNUT
BLADE TEFLON WASHER WASHER
LIFT
PRESSURE BLOCK STEP IN LOWERADJUSTING SILL FRAMEBOLT
ADJUSTMENT SLEEVE (INSTALLED ON MOTOR-CONVERTER SHAFT) WIPER
ARM HUB
WIPER
SHAFT ARM HUB
TIGHTENING CLAMPING
SLOT
SCREW MOTOR-CONVERTER SHAFT
PRESSURE SCREW FLAT WASHER AND CLAMPING
ADJUSTING BOLT HUB HOLDDOWN BOLT
WIPER ARM HUB
MOTOR-CONVERTER
A  A-A
Windshield Wiper Arm and Blade Figure 501
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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