(2)
AMM 30-42-02/401, Windshield Wiper Motor/Converter
(3)
AMM 30-42-03/401, Windshield Wiper Arm/Blade
(4)
AMM 51-31-01/201, Seals and Sealing
C. Access
(1) Location Zones
211/212 Control Cabin - Section 41
D. Examine the Windshield Wiper Arm
S 866-002
(1)
Supply electrical power to the main AC buses (AMM 24-22-00/201).
S 866-003
(2)
Put the WIPER switch on the P5 panel in the OFF position to put the motor/converter unit in the park position.
S 866-004
(3)
Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11R13, WSHLD WIPER LEFT
(b)
11R22, WSHLD WIPER RIGHT
S 866-005
WARNING: OPEN THE WINDOW HEAT CIRCUIT BREAKERS BEFORE YOU DO MAINTENANCE
_______ ON THE WINDSHIELD WIPER SYSTEM. IF THE CIRCUIT BREAKERS ARE NOT OPEN DURING MAINTENANCE, PERSONS CAN GET AN ELECTRICAL SHOCK WHEN THEY TOUCH THE WINDSHIELD.
(4) Open these circuit breakers on the right miscellaneous relay panel, P37, and attach DO-NOT-CLOSE tags:
(a)
37E3, WINDOW HTR 2L
(b)
37E4, WINDOW HTR 3L
(c)
37J2, WINDOW HTR 1R
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
30-42-00
ALL ú ú 01 Page 601 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
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
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本文链接地址：757 AMM 飞机维护手册 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(137)
