(b)  
70A4, WINDOW HTR 3R

 (c)  
70C13, WINDOW HTR 1L

 E. Remove the Windshield Wiper Blade (Fig. 401)
 S 434-009
 CAUTION:_______DO NOT LIFT THE WIPER ARM HIGHER THAN NECESSARY. DAMAGE TO THE WIPER ARM CAN OCCUR IF YOU LIFT IT TOO HIGH.
 (1)  
Put the pad between the wiper arm and the windshield to protect the windshield.

 S 024-010

 (2)  
Remove the locknut and wiper blade (View A-A).

 (a)  
Lower the wiper arm to the pad.

 (b)  
Keep the washer and teflon washer for installation.

 TASK 30-42-03-404-011
 3.  Installation of the Windshield Wiper Blade (Fig. 401)__________________________________________
 A. References
 (1)  AMM 24-22-00/201, Electrical Power - Control
 B. Access
 (1)  Location Zones
 211/212 Control Cabin - Section 41

 C. Procedure
 S 424-012
 CAUTION:_______DO NOT LIFT THE WIPER ARM HIGHER THAN NECESSARY. DAMAGE TO THE WIPER ARM CAN OCCUR IF YOU LIFT IT TOO HIGH.
 (1)  
Install the wiper blade on the wiper arm with the teflon washer, washer, and a new locknut.

 (a)  
Tighten the locknut to 25-32 pound-inches (Fig. 401, View A-A).

 (b)  
Make sure the blade turns freely.

 (2)
Push the blade lock lever and put the blade parallel to the arm.

 S 864-013

 (3)  
Lower the blade with the outboard end of the arm over the lift block.

 S 434-014
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 30-42-03
 ALL  ú ú 02 Page 402 ú May 28/99

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 
2.5 INCHES 
WIPER ARM HUB  INSTALLATION WIPER (6.35 CENTIMETERS)  WINDSHIELD 
SEE  A  ARM (START POSITION)  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
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(146)