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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
C. Access
(1)
Location Zone 101 Control Cabin, LH 102 Control Cabin, RH 307 Wing Trailing Edge Outboard Flap and Spoilers, LH 308 Wing Fixed Trailing Edge between Flaps, LH 309 Wing Trailing Edge Inboard Flap and Spoilers, LH 407 Wing Trailing Edge Outboard Flap and Spoilers, RH 408 Wing Fixed Trailing Edge between Flaps, RH 409 Wing Trailing Edge Inboard Flap and Spoilers, RH
D.
Procedure
S 865-050
(1)
Pressurize hydraulic system B (AMM 27-51-00/201).
S 865-083
(2)
Put the flap control lever to the 40-unit detent.
S 865-084
(3)
Release the pressure from hydraulic system B (AMM 27-51-00/201).
S 225-052
(4)
Measure the clearance between the midflap to the aftflap at the inboard and outboard ends of the aftflap on the left and right wings (Fig. 504).
(a)
Make sure the inboard clearances on each wing are equal to a limit of 0.05 inch.
(b)
Make sure the outboard clearances on each wing are equal to a limit of 0.05 inch.
(c)
Adjust the clearances if it is necessary: 1) Adjust the clevis arm on the aftflap bellcrank (not the aftflap pushrod) at the two flap track fairings. 2) Make sure the dimension B at the two flap tracks stays in
the specified limits (Fig. 504). 3) Pressurize the hydraulic system B (AMM 27-51-00/201). 4) Put the flap control lever to the FLAP UP detent to retract
the flaps. 5) Release the pressure from hydraulic system B (AMM 27-51-00/201).
6) Make sure the distance between the aftflap leading edge to
the midflap trailing edge is as specified (Fig. 504).
7) If it is necessary, adjust the aftflap pushrods at the two
flap track fairings to get the correct clearance. 8) Move the flap control lever to the 40-unit detent. 9) Make sure the distances between the midflap to the aftflap. 10) Make sure the dimension B stays the same.
S 865-055
(5) Move the flap control lever to the FLAP UP detent.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(DISTANCE BETWEEN THE AFTFLAP LEADING EDGE AND THE MIDFLAP TRAILING EDGE)
OUTBOARD FLAP (RETRACTED)
FLIGHT ROLLER LOCATION DIMENSION "B" (INCHES)
(LEFT AND RIGHT WINGS) OUTBOARD TRACKS 0.23 TO 0.33
(LEFT AND RIGHT WINGS) INBOARD TRACKS 0.10 TO 0.30
THE DISTANCES AT THE INBOARD AND OUTBOARD ENDS OF THE LEFT WING AFTFLAPS TO BE EQUAL TO THE EQUIVALENT DISTANCES ON THE RIGHT WING AFTFLAPS IN 0.05 INCH OR LESS.
Midflap to Aftflap Clearance Measurement Figure 504
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27-09-71
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
TASK 27-09-71-825-056
6. Aileron Balance Tab Adjustment to Equalize Lateral Manual Reversion Forces__________________________________________________________________________
A. General
(1)
If the difference in the lateral manual reversion forces is more than the permitted 2 to 1 ratio, use this procedure to adjust the aileron balance tab.
B.
Special Tools and Equipment
(1)
F80222-1 - Aileron Tab Alignment Protractor
C.
References
(1)
AMM 27-11-00/201, Aileron and Aileron Trim Control System
(2)
AMM 27-11-00/501, Aileron and Aileron Trim Control System
D.
Access
(1)
Location Zone 306 Wing Trailing Edge Aileron and Control Tab, LH 406 Wing Trailing Edge Aileron and Control Tab, RH
E.
Procedure
S 865-008
(1)
Make sure the aileron balance tab is correctly adjusted (AMM 27-11-00/501).
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