(13)
Put the apex thrust washer (15) between the torsion links.
S 214-046
(14)
Make sure that the damper (17) is full of hydraulic fluid.
S 424-047
(15)
Align the ends of the torsion links.
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737-300/400/500MAINTENANCE MANUAL
S 424-092
WARNING: USE NITRILE GLOVES FOR SKIN PROTECTION AGAINST BMS 3-27
_______ (MASTINOX 6856K). IF MASTINOX GETS ON YOUR SKIN, IMMEDIATELY REMOVE IT WITH WATER. IF THIS MATERIAL GETS IN YOUR EYES, IMMEDIATELY FLUSH YOUR EYES WITH WATER AND GET MEDICAL AID. THIS MATERIAL CONTAINS VERY POISONOUS AND FLAMMABLE AGENTS WHICH CAN CAUSE INJURIES TO PERSONS.
CAUTION: REMOVE UNWANTED MASTINOX FROM SURFACES WHICH WILL BE
_______ LUBRICATED. IF YOU APPLY MASTINOX TO JOINTS THAT TURN, FAILURE OF THE LANDING GEAR TO EXTEND OR RETRACT CAN OCCUR.
(16)
Apply one of the materials that follows to the mating surfaces of the main gear damper (17) and the upper torsion link (5) immediately before you install the main gear damper (17):
(a)
BMS 10-11, Type I primer, or
(b)
As an alternative, BMS 3-27 (MASTINOX) or BMS 3-38 (CORBAN 27L) corrosion inhibiting compound.
S 424-091
(17) Install the main gear damper (17) in the upper torsion link (5) with the piston shaft through the apex washer (15) and the lower torsion link (23).
NOTE: Make sure the main gear damper piston shaft has no
____
primer or corrosion inhibiting compound on it.
S 214-049
(18)
Make sure that the apex thrust washer (15) correctly engages the shaft.
(19)
Install the damper bracket (6) and all the damper attach bolts (7).
S 424-050
S 434-052
CAUTION: DO NOT LET THE LOCKWIRE GO BETWEEN THE TORSION LINK AND THE
_______ APEX THRUST WASHER. IF THE LOCKWIRE IS PERMITTED TO GO BETWEEN THE TORSION LINK AND THE APEX THRUST WASHER, DAMAGE TO THE TORSION LINK OR THE APEX THRUST WASHER CAN OCCUR.
(20)
Tighten all the bolts.
(21)
Make sure that all the bolts are safetied with lockwire.
S 434-053
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 434-054
(22)
Put the thrust washer (14) on the damper shaft with the concave side against the torsion link.
S 214-055
(23)
Make sure that the key in the washer engages the slot in the shaft.
S 434-056
(24)
Install the apex nut (12) on the damper shaft with the hexagon side towards the thrust washer.
S 824-057
(25)
Adjust the torsion link for the correct adjustment of the damper piston (AMM 32-11-81/501).
S 434-058
(26)
Put the lockwasher (11) on the damper shaft.
S 214-059
(27)
Make sure that the key in the washer engages the slot in the shaft.
S 434-060
(28)
Torque the apex nut (12) to 400 to 500 pound-inches.
S 434-061
(29)
Loosen the apex nut to zero torque.
S 434-062
(30)
Torque the apex nut to 50-150 pound inches until a subsequent hole in the apex nut aligns with a hole in the lockwasher (11).
S 434-063
(31)
Install the lockbolt (13) and tighten to approved torque.
S 434-064
(32)
Install the checknut (10) and tighten to a torque of 50 to 100 pound-inches.
(33)
Lockwire the checknut (10) to the lockbolt (13).
S 434-068
(34)
Install the flanged bushing (8) in the electrical harness support bracket (9).
S 434-069
(35)
Put the washer on the attach bolt and install the support bracket (9) on the end of the damper shaft.
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