JLG G12-55A Service Manual - Manual (Page 90)

Axles, Drive Shafts, Wheels and Tires
5-10 G10-55A, G12-55A
4. Place a suitable jack under axle pad closest to wheel
being removed. Raise machine and position a
suitable support beneath axle. Allow sufficient room
to lower the machine onto the support and to remove
the wheel and tire assembly.
5. Lower the machine onto the support.
6. Remove lug nuts and lug washers in an
alternating pattern.
7. Remove wheel and tire assembly from machine.
5.6.2 Wheel and Tire Assembly Installation
Note: If the machine is equipped with directional tire
assemblies, the wheel and tire assemblies must be
installed with the directional tread pattern “arrows” facing
in the direction of forward travel (5).
Note: Verify valve stems face outward on all wheel and
tire assemblies.
1. Position wheel onto studs on wheel end of axle.
2. Install wheel lug washers.
3. Start all nuts by hand to prevent cross threading. DO
NOT use a lubricant on threads or nuts.
4. Tighten lug nuts in an alternating pattern as
indicated in figure. Torque to 350-400 lb-ft
(475-542 Nm).
5. Remove machine from supports.
6. Remove the Do Not Operate Tags from both the
ignition key switch and the steering wheel.
5.7 BRAKES
Check the brake disks for wear every 1,000 hours of
operation or yearly.
For more information on brake disk inspection, refer to
the Axle Repair Manual (P/N 31200240).
MY4190
5
MY4200
1
3
8
6
9
4
10
5
2 7