672  Landing Gear Support Beam and Rear Spar to Trailing Edge, RH

 (2)  
Access Panels
 572DB Trailing Edge Lower, LH
 672DB Trailing Edge Lower, RH

 C.  Procedure
 S 013-002
 (1)  
Remove access panel 572DB on the left wing or 672DB on the right wing.

 (2)  
Lubricate the gate fitting (Fig. 301).

 S 413-004

 (3)  
Install access panel 572DB on the left wing or 672DB on the right wing.

 S 643-003
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

SUPPORT BEAM GATE FITTING
SEE A
GATE FITTING
ZERK
MIL-G-23827
(1 LOCATION) 1
WING LANDING GEAR (RIGHT SIDE)
GATE FITTING
ZERK
MIL-G-23827
(4 LOCATIONS)
LANDING GEAR SUPPORT BEAM
REAR SPAR FITTING
OUTBD
SUPPORT BEAM GATE FITTING
5 POINTS
A
NOTE:THE WIRING AND TUBING ARE NOT SHOWN FOR CLARITY
1
LUBRICATION FITTING LOCATED ON THE
OUTBOARD SIDE OF THE THE GATE
FITTING
(LEFT SIDE, OPPOSITE)

Wing Landing Gear Support Beam Gate Fitting Lubrication Figure 301
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A
747-400 MAINTENANCE MANUAL
 GIRT BAR - SERVICING (LUBRICATE)
________________________________
 1.  General_______
 A.  This procedure contains a task to lubricate the girt bar, bar locks, and floor brackets.
 TASK 12-21-11-643-001
 2.  Girt Bar Lubrication____________________
 A.  Special Tools and Equipment
 (1)  B52009-1 - Safety Pin Set, Emergency Power System, Entry Doors (PREFERRED)
 NOTE: The safety pin is a set of 2 pins connected by a lanyard with
____ a streamer attached to them. Two (2) bolts, 3/16-inch diameter by 1 1/4-inch grip are used to safety the reservoir if a safety pin is not available. Install one bolt above and one below the plunger assembly on the reservoir. Install the bolts in position to prevent their loss and attach a streamer to them. These bolts must be removed to operate the reservoir.
 (2)  MIT65B04430-1 - Safety pin, Emergency Power Installation, Main Entry Door (ALTERNATE)
 NOTE: The safety pin is a set of 2 pins connected by a lanyard with
____ a streamer attached to them. Two (2) bolts, 3/16-inch diameter by 1 1/4-inch grip are used to safety the reservoir if a safety pin is not available. Install one bolt above and one below the plunger assembly on the reservoir. Install the bolts in position to prevent their loss and attach a streamer to them. These bolts must be removed to operate the reservoir.
 B.  Consumable Materials
 (1)  
D00012 Grease, Silicone, DC33 Light

 (2)  
B00135 Solvent, Naphtha

 C.  References
 (1)  
52-11-02/401, Main Entry Door Lining and Insulation

 (2)  
IPC 25-69-03 Fig. 1, 52-11-02

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 12-21-11
 ALL  ú ú 01 Page 301 ú Oct 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 D. Access
 (1)  
Location Zone
 211 Passenger Cabin, Nose to First Door, LH
 212 Passenger Cabin, Nose to First Door, RH
 231 Passenger Cabin, First to Second Door, LH
 232 Passenger Cabin, First to Second Door, RH
　
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