MAINTENANCE
106
Install the Wheels (See FIGURE 30.)
1. Install the wheel on the hub. When dual wheels are
used, install the inner wheel so that it is tight against the
brake drum. Install the outer wheel. Be careful not to
damage the threads on the studs.
2. Lubricate the studs and nuts as shown in FIGURE 30.
Do not get any oil on the outer surfaces of the wheel or
the flange of the nut.
3. Start with the wheel nut at the top and tighten the nuts
to 68 to 136 Nm (50 to 100 lbf ft) in the sequence shown.
Check to make sure that the wheel(s) is tight against the
hub, then tighten the nuts to 640 to 680 Nm (470 to 500
lbf ft).
WARNING
Check all wheel nuts after 2 to 5 hours of operation
when new trucks are put into operation or when
wheels have been removed and installed. Tighten the
nuts in a cross pattern to the correct torque value
shown in the MAINTENANCE SCHEDULE table. When
the nuts stay tight for eight hours, the interval for
checking the torque can be extended to 150 hours.
FIGURE 30. INSTALL THE WHEELS
1. WHEEL RIM
2. HUB
3. WHEEL STUD
4. WHEEL NUT
5. FLANGE
6. LUBRICATE
X= NO LUBRICANT
12437
Property of American Airlines
Summary of Contents for CHALLENGER H165XL
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