4. Procedure
_________
(Ref. Fig. 401/TASK 27-21-49-991-001)
Subtask 27-21-49-910-050
A. Preparation for the Installation
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
(1)
Make sure that the structure, the paintwork, the servo controls (1) and the lever shafts (4) are clean and show no damage.
(2)
Make sure that the bolts (5),(12), the bushes (6),(13) and the nuts (10),(17) are clean and show no damage.
(3)
Make sure that the bushes (7),(8),(14),(15) are not damaged and are tight in the input lever (2) and in the lever shaft (4).
NOTE : Safety the bushes (7),(8),(14),(15) in the input lever (2) and
____ the lever shaft (4) with BONDING AND ADHESIVE COMPOUNDS (Material No. 08-029), if necessary.
(4) Do a check of the replacement spring rod (3) to make sure that the R specified length of 232.0 mm (9.1338 in.) and the break-out load of R 15.0 +2.0 -2.0 daN (33.7213 +4.4961 -4.4961 lbf) is correct.
(5)
Examine the replacement spring rod (3) to make sure that the drainage holes and the thread inspection holes are clean.
(6)
Apply COMMON GREASE (Material No. 04-004) to the threads of the bolts (5),(12) and to the bushes (6),(13).
(7)
Apply SPECIAL MATERIALS (Material No. 05-002) to the shafts of the bolts (5),(12).
Subtask 27-21-49-420-050
B. Installation of the Spring Rod
(1) Attach the spring rod (3) on the lever shaft (4) as follows:
(a)
Move the bush (13) in the bush (14) of the lever shaft (4).
(b)
Put the rod end of the spring rod (3) in the arm of the lever shaft (4).
NOTE : Make sure that the spring rod (3) is installed in the
____ direction identified during the removal.
(c)
Attach the spring rod (3) to the lever shaft (4) with the bolt
(12)
the washer (16) and the nut (17).
(2)
Install the spring rod (3) to the input lever (2) as follows:
(a)
Move the bush (6) in the bush (7) of the input lever (2).
(b)
Put the rod end of the spring rod (3) in the input lever (2) and install the bolt (5).
(3)
If you can not install the bolt (5) adjust the length of the spring rod (3) as follows:
(a)
Release the locknut (19) of the spring rod (3).
(b)
Turn the body of the spring rod (3) until you can install the bolt (5).
(c)
Make sure that the inspection holes are blocked by the threads of the rod end.
(d)
Tighten the locknuts (19) and safety them to the safety washers
(20)
with lockwire corrosion-resistant steel 0.8 mm (0.032 in.).
(4)
Install the washer (9) and the nut (10) on the bolt (5).
(5)
TORQUE the nuts (10) and (17) to 0.8 m.daN (70.79 lbf.in) and then loosen them, if necessary, to the next cotter pin hole.
(6)
Safety the nut (10) with a new cotter pin (11).
(7)
Safety the nut (17) with a new cotter pin (18).
Subtask 27-21-49-080-050
C. Removal of the Rigging Pins
(Ref. Fig. 402/TASK 27-21-49-991-002)
(1)
Remove the PIN - RIGGING (98D27207545000) (21) from the bellcrank assembly of the travel limitation unit 4CC.
(2)
Remove the PIN - RIGGING (98D27207546000) (22) from the bellcrank assembly of the servo control 1025GM.
Subtask 27-21-49-865-052
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本文鏈接地址：A320飛機維護手冊 AMM FLIGHT CONTROLS 飛行操縱2(56)
