(e)
Install the axle nut (10).
(f)
Turn the wheel in the direction of the axle nut rotation and TORQUE the axle nut (10) to 21.80 m.daN (160.76 lbf.ft) with the ADAPTOR NLG (J47549).
(g)
Prevent rotation of the wheel and loosen the axle nut (10).
(h)
Turn the wheel in the direction of the axle nut rotation and TORQUE the axle nut (10) to 10.85 m.daN (80.01 lbf.ft).
(i)
Tighten the axle nut (10) until the holes for the bolts (5) are aligned.
(j)
Turn the wheel and make sure that the wheel is installed correctly.
(k)
Install the casing (9).
(l)
Install the bolts (5), the washers (2) and the nuts (3).
(m) Tighten the nuts (3) and safety them with the new cotter pin (4). Subtask 32-41-12-410-051
C. Close access
(1)
Put the hubcap (6) in position.
(2)
Install the screws (7) and the washers (8).
(3)
TORQUE the screws (7) to between 0.4 and 0.51 m.daN (35.39 and 45.13 lbf.in) and safety them with corrosion resistant steel lockwire 0.8mm
(0.032 in) dia.
R 1EFF : 001-049, 101-149, 151-199, 201-299, 1 32-41-12Page 411 1301-399, 401-499, 1Aug 01/05 1 1 1CES 1 **ON A/C 051-099,
Subtask 32-41-12-420-053-A
B. Installation of the NLG Wheel CAUTION : MAKE SURE THAT THE GREASE USED FOR THE AXLE SLEEVE IS THE SAME
_______ AS THE GREASE USED FOR THE BEARINGS (CONE AND CAGE). IF YOU USE A DIFFERENT GREASE, YOU CAN CAUSE DAMAGE TO THE BEARINGS.
(1) Preparation for installation
(a)
Make sure (if the tire mixability is not allowed) that the wheel for installation has the same type of tire (radial cross-ply) as the other wheel on the NLG.
(b)
Make sure that the retaining ring (19) is in its housing.
(c)
Clean the axle sleeve (1) and the drive dog (13) with CLEANING AGENTS (Material No. 11-002). Dry them with filtered compressed air.
(d)
Make sure that the axle sleeve (1) is in the correct condition. NOTE : Do not mix material 04-022 with material 04-035. You can
____ use material 04-035 as an alternative to material 04-022. Clean and degrease the parts before you use material 04-035.
(e)
Apply a light coat of COMMON GREASE (Material No. 04-022) or COMMON GREASE (Material No. 04-035) on the axle sleeve (1), on the drive dog (13).
(f)
Apply a thin layer of COMMON GREASE (Material No. 04-022) or COMMON GREASE (Material No. 04-035) to the shaft (2).
(g)
Install the new preformed packings (3) on the shaft (2).
(h)
Make sure that the preformed packings (3) are in the correct position on the shaft (2).
(i)
Install the pressure transducer (4).
(j)
Put the pressure transducer (4) in the correct position. (Ref. Fig. 401A/TASK 32-41-12-991-001-A)
1EFF : 051-099, 1 32-41-12Page 412 1 1 Aug 01/05R 1 1 1CES 1
R (k) Install the nut (6). TORQUE the nut to between 0.3 and 0.9 m.daN
R (26.54 and 79.64 lbf.in).
R (l) Install the new cotter pin (5).
R (m) Clean the inner surface of the wheel bearings (surface that
R touches the axle). Do not apply grease on these surfaces.
R (2) Installation of the wheel
R (a) Install the wheel, with the valve outboard, with a handling tool.
R (b) Remove the PROTECTOR NLG (J47548)
R (c) Apply a light coat of COMMON GREASE (Material No. 04-022) or
R COMMON GREASE (Material No. 04-035) on the axle.
R (d) Install the axle nut (17).
R (e) Turn the wheel in the direction of the axle nut rotation and
R TORQUE the axle nut (17) to 21.80 m.daN (160.76 lbf.ft) with the
R ADAPTOR NLG (J47549).
R (f) Prevent rotation of the wheel and loosen the axle nut (17).
R (g) Turn the wheel in the direction of the axle nut rotation and
R TORQUE the axle nut (17) to 10.85 m.daN (80.01 lbf.ft).
R (h) Tighten the axle nut (17) until the holes for the bolts (10) are
R aligned.
R (i) Turn the wheel and make sure that the wheel is installed
R correctly.
R (j) Install the bolts (10), the washers (7) and the nuts (8).
R (k) Tighten the nuts (8) and safety them with the new cotter pin (9).
R Subtask 32-41-12-410-051-A
R C. Close access
R (1) Remove the blanking cap and connect the electrical connector (11) to
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：A320飞机维护手册 AMM LANDING GEAR 起落架6(80)
