Remove the safety tag and close this circuit breaker:
CAPT Electrical System Panel, P18-3
Row Col Number Name
B 3 C00054 ANTI-ICE & RAIN WSHLD WIPER LEFT
(b) For the right windshield wiper,
Remove the safety tag and close this circuit breaker:
CAPT Electrical System Panel, P18-3
Row Col Number Name
B 1 C00055 ANTI-ICE & RAIN WSHLD WIPER RIGHT
(c) Put the windshield wiper switch to the PARK position.
(d) For the left windshield wiper,
Open this circuit breaker and install safety tag:
CAPT Electrical System Panel, P18-3
Row Col Number Name
B 3 C00054 ANTI-ICE & RAIN WSHLD WIPER LEFT
(e) For the right windshield wiper,
Open this circuit breaker and install safety tag:
CAPT Electrical System Panel, P18-3
Row Col Number Name
B 1 C00055 ANTI-ICE & RAIN WSHLD WIPER RIGHT
SUBTASK 30-42-31-020-007
(3) Loosen the adjustment screw [4].
SUBTASK 30-42-31-420-001
(4) Attach the wiper blade [9] to the arm assembly [3].
NOTE: When installing the wiper blade, make sure that the part mark is near the inner edge of
the window seal (away from the pilot and first officers view). The part mark and
indicated hole point to the left side of the aircraft for the pilot and the first officer wiper
blades.
(a) Attach the wiper blade [9] to the arm assembly [3] as shown in (Figure 201).
(b) Secure the wiper blade [9] to the arm assembly [3] with the nut [1] and washer [2],
applying 14 in-lb (1.6 N·m) - 18 in-lb (2.0 N·m) of torque.
SUBTASK 30-42-31-640-001
(5) Apply grease, D00013 to the serrations on the adjustment sleeve [10] and the shaft.
SUBTASK 30-42-31-420-002
(6) Install the arm assembly [3] on the windshield wiper shaft.
(a) Place the arm assembly [3] on the shaft in the parked position as shown in (Figure 201).
NOTE: Use (Figure 201) to determine the position of the wiper arm assembly and for
adjustment instructions.
1) For large adjustments, turn the arm assembly [3] and adjustment sleeve [10]
together on the wiper motor shaft.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-42-31
Page 209
D633A101-ILF Jun 15/2017
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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