S 492-010
(5)
Pull the conduit assembly away and attach to the structure with the light rope.
(6)
Hold the upper jury strut.
S 492-011
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A
747-400
MAINTENANCE MANUAL
S 022-012
WARNING: KEEP THE BUNGEE CLAMP IN ITS POSITION WHEN YOU REMOVE THE UPPER
_______ JURY STRUT. IF YOU DO NOT DO THAT, IT CAN CAUSE INJURY TO PERSONS AND DAMAGE TO PARTS.
(7) Remove the apex bolt (10), and the ground lockpin, and remove the strut from the airplane.
TASK 32-13-08-402-013
3. Body Gear Upper Jury Strut Installation
______________________________________
A. Special Tools and Equipment
(1)
2MIT65B08802-1 - Body Landing Gear Bungee Restraining Tool
B.
Consumable Materials
(1)
D00633 Grease - BMS 3-33 (preferred)
(2)
D00013 Grease - MIL-G-23827 (optional)
(3)
D00250 Jelly-Petroleum (Petrolatum), VV-P-236
C.
References
(1)
AMM 07-11-01/201, Jacking Airplane
(2)
AMM 09-11-00/201, Towing
(3)
AMM 32-00-30/201, Landing Gear Door Locks
(4)
AMM 32-33-16/401, Body Gear Downlock Bungee
(5)
AMM 32-61-02/201, Wing and Body Gear Downlock and Uplock Sensors
(6)
AIPC 32-13-08 Fig. 1
(7)
AIPC 32-13-09 Fig.2
D.
Access
(1)
Location Zone
755 Body Landing Gear, LH
765 Body Landing Gear, RH
E.
Procedure
S 222-015
(1)
Examine the attach points for worn areas (Refer to the task for Body Gear Upper Jury Strut Examination for Worn areas).
S 422-016
(2)
Install the upper jury strut (Fig. 201).
(a)
Put the lubricant on the washer surfaces, the nuts and the threads of the bolts immediately before the installation.
(b)
Lightly apply a layer on the lubrication retainer (9), the O-ring (11), and the inner surface of the apex bolt (10) with petrolatum.
(c)
Put the O-ring on the lubrication retainer and install the O-ring in the head end of the apex bolt.
(d)
Connect the lubrication retainer with the lock ring (12).
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A
747-400 MAINTENANCE MANUAL
(e) Lift the upper jury strut (3) into its position and install the apex bolt (10).
NOTE: Tighten the nut with your hand temporarily.
____
(f)
Align the upper holes and install the pin (1), the end caps (2), the spindle bolt (5), and the upper conduit bracket (4).
(g)
Tighten the nut to maximum torque value of 10 to 15 pound-feet and install the cotter pin.
NOTE: Loosen the nut if it is necessary to permit the cotter
____
pin installation.
(h)
Install the ground lock in the jury strut.
(i)
Attach the junction box to the upper jury strut.
(j)
Tighten the apex bolt (10) and install the cotter pin.
S 432-017
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