(1)
Wheel Change Dolly - Commercially available
C.
Consumable Materials
(1)
D50013 Grease - Aeroshell #22 (Preferred)
(2)
D00233 Grease - Mobil 28 (Optional)
(3)
D50005 Grease -Mobil Aviation Grease SHC 100 (Optional)
D.
References
(1)
AMM 07-11-31/201, Jack Airplane Axles
(2)
AMM 12-15-51/301, Landing Gear Tire
(3)
AMM 32-21-71/601, Nose Gear Axle
E.
Access
(1)
Location Zone
204 Nose Landing Gear
F.
Install the Nose Landing Gear Wheel (Fig. 401)
S 214-016
(1)
Examine the axle.
S 224-017
(2)
If the axle threads have nicks, burrs, or damaged threads, do a check on the axle and axle nut (AMM 32-21-71/601).
NOTE: Make sure the correct part number wheel bearings are
____ installed or damage to the wheel and axle can occur.
S 434-019
(3)
Put the spacer on the axle.
(4)
Install the three cotter pins to hold the spacer on the axle.
S 434-021
(5)
Install the grease seal, retaining ring, and inner bearing on the inboard side of the wheel.
S 434-020
NOTE: Make sure the inner bearing is installed on the side of the
____ wheel that is opposite the inflation valve.
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32-45-21
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 644-045
CAUTION:_______ DO NOT APPLY GREASE TO THE AREA BETWEEN THE AXLE BEARING.
HIGH TEMPERATURES IN THIS AREA DURING A LANDING CAN CAUSE
ALL GREASE IN THIS AREA TO BURN. THIS CAN CAUSE DAMAGE TO
WHEELS, TIRES, AND BRAKES.
(6) Lubricate the bearing seals with Aeroshell 22 grease.
S 424-023
(7) Put the wheel and tire assembly on the wheel change dolly.
S 424-040
(8) Put the wheel and tire assembly on the axle.
S 094-024
(9) Remove the axle thread protection.
S 434-025
(10)
Install the outer bearing, grease seal, and retaining ring on the outboard side of the wheel.
S 434-026
(11)
Align the key of the washer with the keyway of the axle to install the washer.
S 644-027
(12)
Lubricate the threads on the axle nut.
S 434-028
(13)
Do the steps that follow to install the axle nut:
(a)
While you turn the wheel, tighten the axle nut to 80-100 pound-feet.
(b)
Stop the wheel.
(c)
Loosen the nut to zero torque.
(d)
While you turn the wheel again, do the steps that follow: 1) Tighten the axle nut to 30 pound-feet 2) Continue tightening axle nut until two lockbolt holes in
the axle nut align with threaded holes in the washer for the outer bearing.
S 434-029
(14)
Install the two lockbolts for the axle nut.
S 434-030
(15)
Install a lockwire between the two lockbolt heads.
(16)
Fill the tire (AMM 12-15-51/301).
S 614-038
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ALL ú ú 02 Page 405 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 094-032
(17)
Lower the nose gear and remove the jack (AMM 07-11-31/201).
S 224-039
(18)
Do a check on the tire for correct pressure (AMM 12-15-51/301).
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本文链接地址：737-300 400 500 AMM 飞机维护手册 起落架 LANDING GEAR 3(111)
