S 034-016
(12)
Remove the nut and the washer from the drag strut spindle (6).
(13)
Pull the spindles from the structure and remove the strut assembly.
S 024-017
TASK 32-13-19-404-018
3. The Body Gear Drag Strut Component Assembly________________________________________________________Installation
A. Special Tools and Equipment
(1)
F70312-26 - Torque Wrench Adapter
(2)
PRE65B00163-1 - Body Gear Drag Strut Spindle Thread Protector
(3)
2PRE65B00163-1 - Body Gear Jury Strut Spindle Thread Protector
(4)
OHME65B00163 - Body Gear Drag Strut Strong Back
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-13-19
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
B. Standard Tools and Equipment
(1)
Hoist - Portable, 1000-Pound Capacity
C.
Consumable Materials
(1)
D00633 Grease - BMS 3-33 (preferred)
(2)
D00013 Grease - MIL-G-23827 (optional)
(3)
D00128 Petrolatum, VV-P-236
D.
References
(1)
AMM 07-11-01/201, Jacking Airplane
(2)
AMM 09-11-00/201, Towing
(3)
AMM 29-11-00/201, Main Hydraulic Supply System
(4)
AMM 32-00-30/201, Landing Gear Door Locks
(5)
AMM 32-13-10/201, Body Gear Lower Jury Strut
(6)
AMM 32-14-00/501, Body Gear Doors
(7)
AMM 32-33-15/401, Body Gear Downlock Actuator
(8)
AMM 32-61-00/501, Landing Gear Position Indicating and Warning System
(9)
AIPC 32-13-02 Fig. 2
(10)
AIPC 32-13-05 Fig. 1
(11)
AIPC 32-13-07 Fig. 1,
(12)
AIPC 32-13-09 Fig. 2
(13)
AIPC 32-13-67 Fig. 1
(14)
AIPC 32-33-15 Fig. 1
E.
Access
(1)
Location Zone
755 Body Landing Gear, LH
765 Body Landing Gear, RH
F.
Prepare for the Installation
S 864-021
(1)
Make sure you do not pressurize the hydraulic systems No. 1 and 4 (AMM 29-11-00/201).
G.
Procedure
S 494-022
(1)
Put the thread protectors on the drag strut spindle and the jury strut spindle.
S 644-023
(2)
Lubricate all the washer surfaces, the shank and the threads of bolts, and the spindles immediately before the installation.
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ALL ú ú 03 Page 406 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 494-024
WARNING:_______ CAREFULLY HOLD THE PARTS BEFORE YOU REMOVE ANY PINS. THE STRUT
ASSEMBLY WEIGHS APPROXIMATELY 330 POUNDS. IF YOU DO NOT HOLD
THE PARTS, IT CAN CAUSE DAMAGE TO PARTS OR CAUSE INJURY TO
PERSONS.
(3)
Attach the strong back to the drag strut assembly and lift the assembly into its position below the airplane.
S 434-025
(4)
Put the drag strut and the jury strut spindles (6 and 9) into the airplane structure.
S 434-026
(5)
Remove the thread protectors and install the washers and the nuts on the spindles.
S 644-027
(6)
Put a light layer of petrolatum on the lube retainer (5), the interior surface of the bolt and the O-rings.
S 434-028
(7)
Install the O-rings (4) on the lube retainer (5) and attach the bolt.
S 434-029
(8)
Install the bolt (3) in the universal joint.
(a)
Tighten the nut to a torque value of 2400 to 3000 pound-inches maximum.
(b)
Loosen the nut.
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