(2)
Adjust to make gap equal on all sides (approximately 0.06 inch).
(3)
On later airplanes with adjustment bolt:
(a)
Tighten adjustment bolt (5) at aft hinge (4) on door assembly (5) to approximately 15 pound-inches.
(b)
Retract leading edge slats and adjust trailing edge of door against wing structure.
(c)
Extend leading edge slats and center door assembly (5) in door opening.
(d)
Tighten adjustment bolt (6) to 20-25 pound-inches.
(e)
Install rivets at two locations.
(f)
Retract leading edge slats.
D. Install wing access panels removed in step 3.B. and 4.B.
E. Install forward engine nacelle fairing (Ref 54-51-11).
Sep 20/81 30-11-31 Page 405 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
WING ANTI-ICE CONTROL MODULE (P5-11) - REMOVAL AND INSTALLATION
1. General
A. The P5-11 module located in the pilot's overhead panel contains all control and test switches and indicating lights for the engine and wing thermal anti-icing system.
2. Prepare for Removal
A. Open circuit breakers listed below on P18 anti-ice and rain panel:
(1)
ENG 1 & WING VALVE
(2)
ENG 2 & WING VALVE
(3)
ENG 1 & WING CONTROL
(4)
ENG 2 CONTROL
3. Remove P5-11 Module
A. Release four quick-release panel fasteners and lower module.
B. Disconnect electrical connectors.
4. Install P5-11 Module
A. Connect electrical connectors.
B. Place module in position in overhead panel and secure four panel fasteners.
C. Close circuit breakers opened in 2.A. and test module control switches and indicator lights. See Adjustment/Test.
500
Aug 15/68 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 30-11-41 Page 401
WING ANTI-ICE CONTROL MODULE (P5-11) - ADJUSTMENT/TEST
1. General
A. The P5-11 module located in the pilot's overhead panel contains all control and test switches and indicating lights for the engine and wing thermal anti-icing system.
2. Prepare for Test
A. Check that circuit breakers listed on P18 anti-ice and rain panel are closed:
(1)
ENG 1 & WING VALVE
(2)
ENG 2 & WING VALVE
(3)
ENG 1 & WING CONTROL
(4)
ENG 2 CONTROL
B. Apply electrical power and energize 115-volt ac transfer buses No. 1 and 2, and 28-volt dc T/R buses No. 1 and 2.
3. Test Module
A. Check each indicator light (push-to-test).
(1)
Module Test (Airplanes without wing TAI system ground operation capability)
(a)
Hold wing anti-ice control switch in GRD-TEST or TEST position. Check that both wing anti-ice valves open, L VALVE OPEN and R VALVE OPEN indicator lights glow brightly during valve transient, and that lights change to a dim condition when valves reach full open position.
(b)
Release wing anti-ice control switch. Check that switch returns to OFF position, both wing anti-ice valves close, and that indicator lights glow brightly during valve transient, then go off and remain off when valves are closed.
(2)
Module Test (Airplanes with wing TAI system ground operation capability)
(a)
Place wing TAI control switch in ON position. Check that left and right valve open lights glow brightly from 1 to 3 seconds and then continue to glow dim, and left and right wing anti-ice valves open.
(b)
Place switch in OFF position. Check that both valve open lights glow brightly for 1 to 3 seconds and then go off, and both anti-ice valves close.
(c)
Place wing anti-ice switch in ON position. Check that left and right valve open lights glow brightly for 1 to 3 seconds and then continue to glow dim, and left and right wing anti-ice valves open.
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