32-21-07
ALL ú ú 01 Page 409 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
TOW FITTING - REMOVAL/INSTALLATION
__________________________________
1. General_______
A. This procedure contains two tasks:
(1)
The removal of the tow fitting.
(2)
The installation of the tow fitting.
TASK 32-21-08-004-001
2. Tow Fitting Removal (Fig. 401)___________________
A. References
(1)
AMM 09-11-00/201, Towing
(2)
AMM 32-45-02/401, Nose Gear Tire and Wheel
(3)
AIPC 32-21-08 Fig. 1, AIPC 32-45-03
B.
Access
(1)
Location Zone
715 Nose Landing Gear
C.
Procedure
S 494-010
(1)
Install the ground locks in all landing gear (AMM 09-11-00/201).
S 034-003
(2)
If it is necessary, remove the nose wheel (AMM 32-45-02/401) on the opposite side of the pin nut of the tow fitting.
S 024-004
(3)
Remove the nut, the washer, the pin and the tow fitting.
TASK 32-21-08-404-005
3. Tow Fitting Installation (Fig. 401)________________________
A. Consumable Materials
(1)
D00014 Grease - MIL-G-21164
(2)
G00009 Compound - Corrosion Inhibiting, BMS 3-23 (LPS-3)
B.
References
(1)
AMM 09-11-00/201, Towing
(2)
AMM 32-45-02/401, Nose Gear Tire and Wheel
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32-21-08
ALL ú ú 01 Page 401 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
FWD
SEE A
PIN
TOW FITTING (TYP)
COTTER PIN
NUT
A WASHER
Tow Fitting Figure 401
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32-21-08
ALL ú ú 01 Page 402 ú Jun 10/88
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
(3)
AIPC 32-21-08 Fig. 1, AIPC 32-45-03
C.
Access
(1)
Location Zone
715 Nose Landing Gear
D.
Procedure
S 494-011
(1)
Install the ground locks in all landing gear (AMM 09-11-00/201).
S 424-007
(2)
Install the tow fitting.
(a)
Apply a corrosion preventive compound to the tow fitting.
(b)
Apply a light layer of grease to the pin shank and the threads, the washer and the nut.
(c)
Set the tow fitting on the shock strut.
(d)
Install the attach pin, the washer and the nut.
(e)
Tighten the nut 50 - 70 pound-feet.
(f)
Loosen the nut to the nearest slot and install the cotter pin.