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trailing edge.
(c) Install the bushings [107], bolts [106], washers [108], and new nuts [109] to connect the tab
pushrods [110] to the elevator tab [102].
NOTE: If you loosened or removed the nuts [109], they need to be replaced and not reinstalled.
Using new nuts will ensure that they have the required run-on torque of
3.5 in-lb (0.4 Nm).
NOTE: The inboard bolt is installed with the head inboard and the outboard bolt is
installed with the head outboard.
(d) Install fixture, SPL-1686, and check that the adjustment measurement is within 0.1 inch (3
mm) (Figure 512).
GUN 156, 201-204, 206 PRE SB 737-55A1080; AIRPLANES WITH FOUR ELEVATOR TAB HINGES
(e) Install new nuts and tighten the nuts [109] to 30 - 50 pound-inches (3.4 - 5.7 newton-meters).
GUN 001-099, 101-122, 155, 157, 205, 207-999; GUN 156, 201-204, 206 POST SB 737-55A1080;
AIRPLANES WITH THE SIX HINGE ELEVATOR TAB WITH RECTANGULAR HEAD BOLTS
(f) Install new nuts and tighten the nuts [109] to 70 - 80 pound-inches (7.9 - 9.0 newton-meters).
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-31-00
Page 598.32
Oct 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
GUN 001-099, 101-122, 155, 157, 205, 207-999; GUN 156, 201-204, 206 POST SB 737-55A1080; AIRPLANES
WITH THE SIX HINGE ELEVATOR TAB WITH RECTANGULAR HEAD BOLTS (Continued)
GUN 156, 201-204, 206 PRE SB 737-55A1080; AIRPLANES WITH FOUR ELEVATOR TAB HINGES
SUBTASK 27-31-00-820-022
(13) Do this fine adjustment of the elevator tab pushrods Figure 508 or Figure 509:
(a) Turn the bushing [104] to adjust the length of the tab pushrods [110].
NOTE: One full turn of the bushing [104] is equal to 0.02 inch (0.5 mm) at the elevator tab
trailing edge.
(b) Loosen the nuts [109] that attach the tab pushrods [110] to the elevator tab [102].
(c) Make sure that you can easily turn the bolts [106] by hand.
1) If it is necessary, adjust the bushing [104] on the tab pushrods [110].
CAUTION: IF THE NUTS [109] ARE NOT TIGHTENED CORRECTLY, THEN THE PUSHRODS
CAN BECOME DISCONNECTED AND CAUSE DAMAGE TO THE ELEVATOR AND
STABILIZER.
(d) Replace the nuts [109], and then torque the nuts [109] to 30 - 50 pound-inches (3.4 - 5.7
newton-meters) and install pins [111].
NOTE: If you loosened or removed the nuts [109], they need to be replaced and not reinstalled.
Using new nuts will ensure that they have the required run-on torque of
3.5 in-lb (0.4 Nm).
NOTE: Make sure the nuts [109] stay tightened to 30 - 50 pound-inches (3.4 - 5.7 newtonmeters)
after alignment of the cotter pin hole of the nut [109] and bolt [106].
(e) Tighten the checknuts [103] and checknuts [105] on the tab pushrods [110] to 150 - 200
pound-inches (17.0 - 22.6 newton-meters).
GUN 001-099, 101-122, 155, 157, 205, 207-999; GUN 156, 201-204, 206 POST SB 737-55A1080
SUBTASK 27-31-00-820-023
(14) Do this fine adjustment of the elevator tab pushrods Figure 511:
(a) Turn the bushing [104] to adjust the length of the tab pushrods [110].
NOTE: One full turn of the bushing [104] is equal to 0.02 inch (0.5 mm) at the elevator tab
trailing edge.
(b) Loosen the nuts [109] that attach the tab pushrods [110] to the elevator tab [102].
(c) Remove the pins [111] from in front of the head of the bolts [106].
(d) Move the rectangle bolt heads out of the anti-rotation bolt bosses and make sure that you
can easily turn the bolts [106] by hand.
1) If it is necessary, adjust the bushing [104] on the tab pushrods [110].
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-31-00
Page 598.33
Oct 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
GUN 001-099, 101-122, 155, 157, 205, 207-999; GUN 156, 201-204, 206 POST SB 737-55A1080 (Continued)
CAUTION: IF THE NUTS [109] ARE NOT TIGHTENED CORRECTLY, THEN THE PUSHRODS
CAN BECOME DISCONNECTED AND CAUSE DAMAGE TO THE ELEVATOR AND
STABILIZER.
(e) Install new nuts [109] and then tighten the new nuts [109] to 70 - 80 pound-inches (7.9 - 9.0
newton-meters) and install pins [111].
NOTE: If you loosened or removed the nuts [109], they need to be replaced and not reinstalled.
Using new nuts will ensure that they have the required run-on torque of
3.5 in-lb (0.4 Nm).
(f) Tighten the checknuts [103] and checknuts [105] on the tab pushrods [110] to 150 - 200
pound-inches (17.0 - 22.6 newton-meters).
GUN ALL
SUBTASK 27-31-00-220-004
(15) Install fixture, SPL-1686 and check that the adjustment measurement is the same (Figure 512).
SUBTASK 27-31-00-220-005
(16) Do a check of the thread engagement of the tab pushrod ends and bushings [104]:
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737-600-700-800-900 AIRCRAFT MAINTENANCE MANUAL飛機維護手冊3(16)
