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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(g)
Install the washer and the nut on the two lockbolts (4) that extend through the lug on the trunnion pin (9) and the retainer washer (5). 1) Tighten the nuts to 100 - 150 pound-inches lube torque.
(h)
Tighten the nut on the antirotation bolt (1) to 30 - 40 pound-inches lube torque.
S 424-123
(15)
Connect the lower end of the side strut (Fig. 403).
(a)
Put the lower side strut (1) in position on the side strut universal (2).
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.
(b)
Apply mastinox 6856K to the bolt (5) immediately before you install it (AMM 12-21-11/301).
(c)
Install the bolt (5) with the head in the outboard direction and install the washer and the nut.
(d)
Tighten the nut to run-on torque plus 400 pound-inches.
S 434-124
(16)
Connect the reaction link (4) to the shock strut (Fig. 404).
(a)
Align the holes of the reaction link universal (3) and the trunnion link pin (6).
(b)
Install the thread protector on the spring support shaft (5).
(c)
Install the spring support shaft (5) through the reaction link universal (3) and the trunnion link pin (6) from the aft side.
(d)
Remove the thread protector and install the washer (2A) and the spring support cap (2).
(e)
Tighten the spring support cap by hand.
1) If necessary, loosen the ring support cap (2) to align the nearest castellation on the cap with the cotter pin hole in the spring suport shaft (5).
2) Lock the spring support cap (5) with the cotter pin.
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32-11-11
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ú ú ú 01.101 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. Page 424Jul 12/02
A
737-300/400/500MAINTENANCE MANUAL
S 434-125
(17) Connect the downlock springs (1) to the spring support shaft (5) and the spring support cap (2), (Fig. 404).
NOTE: You can use cords to extend the springs to align the spring
____ lugs with the support cap and the support shaft. With cords attached to the ends of the two springs and laid above the the trunnion link or the shock strut, you can pull the cords to extend the springs. You can alo use a spring expander assembly.
(a) Install the washers and nuts on the spring support cap (2) and the spring support shaft (5) and tighten to the standard torque. 1) Loosen the nuts to the nearest castellation to align the
cotter pin holes in the cap (2) and the shaft (5). 2) Install the cotter pins.
S 424-126
(18)
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