TASK 27-31-31-004-022
2. Elevator Tab Removal____________________
A. Special Tools and Equipment
(1) Rig Pin (E-5) - 0.309/0.311-inch diameter, 6.7 |0.25 inches long (MS20392-4)
NOTE: The rig pin is part of the rig pin kit F70207-69, -78 or -83.
____
B. Standard Tools and Equipment
(1)
Heat gun - Capable of providing a minimum of to 250 -F heat.
C.
Consumable Materials
(1)
A00247 Sealant - BMS 5-95
D.
References
(1)
AMM 27-31-00/201, Elevator and Tab Control System
(2)
AMM 27-31-00/501, Elevator and Tab Control System
(3)
AMM 27-09-91/601, Flight Controls Surface
E.
Access
(1)
Location Zone
711, 712 Elevator and Tab
(2)
Access Panels
3801/3802 Tail Cone Access Door
9143/9243 Removable Elevator Leading Edge Upper
F.
Procedure
(1)
Open the access door 3802 and the access panel 9143R or 9143L.
S 864-002
(2)
Do this task: "Remove the Pressure from the Elevator Hydraulic Systems A and B" (AMM 27-31-00/201).
(3)
Install the rig pin E-5 in the aft control quadrant.
S 014-001
S 494-003
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
TAB PUSHROD ACCESS PANEL
ELEVATOR TAB HINGE LOCATION (4 PER TAB)
SEE B TAB CONTROL
MECHANISM ELEVATOR TAB
ACCESS PANEL (SAME ON BOTTOM)
TAB PUSHRODS
SEE A
INBD
FWD
ELEVATOR
CHECKNUTS ELEVATOR TAB PUSHRODS ELEVATOR TAB
HINGE RETAINING SCREWS
A
FWD
ELEVATOR
STA
STA
121.79 STA
94.27
(HINGE 4) 66.74 STA ELEVATOR TAB
(HINGE 3)
39.22
(HINGE 2)
NOTE:____ LEFT SIDE SHOWN, RIGHT SIDE SIMILAR. B (HINGE 1)
Figure 401 (Sheet 1) Elevator Tab Installation
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
BONDING
JUMPER ELEVATOR TAB
HINGE FITTING
TAB PUSHROD
AFT MOUNTING ELEVATOR
BOLT HINGE BRACKET
FWD HINGE BOLT
A 737-300/400/500MAINTENANCE MANUAL
ELEVATOR ELEVATOR
ALL HINGES)
HINGE FITTING
HINGE FITTINGS NO. 2, 3 AND 4
(SLIP HINGE)
B-B
Elevator Tab Installation
Figure 401 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 024-005
(4)
Remove the elevator tab (Fig. 401):
(a)
If the same tab will be re-installed then do the following: 1) Make sure that the elevator tab meets the freeplay limits, (AMM 27-09-91/601).
2) While you move the elevator trailing edge down, align the projected center of the elevator trailing edge with the index mark within +/- 0.04 inch or less.
3) Measure and record the elevator tab position (ref 27-31-00/501) "Adjustment- Elevator and tab Control System", using single point method.
4) If elevator tab rods are fabricated from aluminum, ambient temperature must be recorded.
(b)
If same tab is not to be re-installed then do the following:
1) Do this task to measure the elevator tab position and the ambient temperature (measured at a single point or at four hinge point locations): "Adjustment - Elevator and Tab Control System" (AMM 27-31-00/501). 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-300 400 500 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 2(156)
