(b) Put the latch, shims, and wear plate on doorsill. 1) Make sure the finished side of the wear plate is against
the shims. Secure it with bolts, washers, and nuts. 2) Install the bolts, washers, and nuts.
S 865-036
(8) If the release load is within the limits, close the door (AMM 54-62-00/201).
(a) Do a check of the lower aft pressure relief door hinge clearance with the diagonal brace. 1) Trim the lower hinge arm, if necessary to insure a minimum
0.20 inch clearance between hinge and diagonal brace with the door closed (Figure 501, Sh. 7).
TASK 54-62-02-825-009
3. Nacelle Strut Pressure Relief Door Adjustment
_____________________________________________
A. References
(1) IPC 54-62-02 Fig. 1 and 4
B. Consumable Materials
(1) A00964 Primer - BMS 10-11, type 4
C. Access
(1) Location Zone
452 Nacelle Strut 1 - Torque Box
454 Nacelle Strut 1 - Aft Fairing
462 Nacelle Strut 2 - Torque Box
464 Nacelle Strut 2 - Aft Fairing
472 Nacelle Strut 3 - Torque Box
474 Nacelle Strut 3 - Aft Fairing
482 Nacelle Strut 4 - Torque Box
484 Nacelle Strut 4 - Aft Fairing
D. Do a check of the fit of the door.
S 825-010
(1) With door closed, manually apply pressure to door with rotating motion.
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S 825-011
(2) If door is loose at forward edge, replace door (if lip is secured by hi-lok bolts and collars), or remove shim from between door tongue and door as follows (if lip is secured by bolts, nuts, and washers):
(a)
Remove bolts, nuts, and washers securing door lip to door and remove shims as required.
(b)
Apply two coats of primer to any bare metal.
NOTE: Allow primer to cure between coats and prior to
____ assembly. Cure time can be accelerated by applying heat.
(c) Position shim pack and door lip on inside front edge of door and secure with bolts, nuts, and washers.
S 825-013
(3) If door is loose at aft edge, replace door (if latch is secured by hi-lok bolts and collars), or add shims under latch wear plate as follows (if latch is secured by bolts, nuts, and washers).
(a)
Remove bolts, nuts, and washers securing each wear plate and shim pack to doorsill.
(b)
If adding unprimered shims, apply two coats of primer to all surfaces of shims.
NOTE: Allow primer to cure between coats and prior to
____ assembly. Cure time can be accelerated by applying heat.
(c) Position shims between wear plate and doorsill. Ensure finished side of wear plate is against shims. Secure with bolts, washers, and nuts.
S 225-015
(4) Make sure the gap around door is 0.03 - 0.09 inch (0.8 - 2.3 mm).
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E. Do a check of the door flushness.
S 225-018
(1) Make sure the door is flush with outside surface of strut | 0.02 inch (| 0.5 mm).
TASK 54-62-02-725-068
4. Trailing Edge Fairing Door Pressure Relief Door Functional Check
________________________________________________________________
A. Equipment
(1) Gage - Push/Pull Dial, 0-150 pound (0-500 N.) capacity, Model DPPH-150 (DPPH-500N ), John Chatillion & Sons, Inc., 83-30 Kew Gardens, NY 11415
NOTE: Use this tool for the test procedure with the Push/Pull Dial.
____ Use the tools that follow for the test procedure with the Torque Adapter.
(2)
B71044-28 - Adapter and Pivot Support Assembly, Load Test, Pressure Relief Door Latches
(3)
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本文链接地址：747-400 AMM 飞机维护手册 NACELLES/PYLONS(96)
