Axles - Genie GTH-636 Service Manual

June 2007
REV D
8-1

Axles

How to Remove the Axle
Bodily injury hazard. This
procedure requires specific repair
skills, lifting equipment and a
suitable workshop. Attempting this
procedure without these skills and
tools could result in death or
serious injury and significant
component damage. Dealer
service is required.
1 Remove the fasteners securing the driveshaft to
the transmission. Lower the end of the
driveshaft to the ground.
2 Remove the fasteners securing the driveshaft to
the axle. remove the driveshaft from the
machine.
3 Loosen the lug nuts of both wheels on the axle
to be removed. Do not remove the lug nuts.
4 Raise the end of the machine until the tires are
off the ground. Place blocks under the chassis
for support.
Crushing hazard. The chassis will
fall if not properly supported.
5 Remove the lug nuts. Remove the tire and
wheel assembly from both ends of the axle.
6 Support and secure the axle to an appropriate
lifting device.
Part No. 97487 GTH-636 • GTH-644 • GTH-842 • GTH-844 • GTH-1048 • GTH-1056
Section 4 • Repair Procedures
7 Working at one side of the machine, tag,
disconnect and plug the fork level cylinder
hoses at the cylinder manifold. Cap the fittings.
Bodily injury hazard. Spraying
hydraulic oil can penetrate and
burn skin. Loosen hydraulic
connections very slowly to allow
the oil pressure to dissipate
gradually. Do not allow oil to
squirt or spray.
Component damage hazard.
Hoses can be damaged if they are
kinked or pinched.
8 Attach a lifting strap from an overhead crane to
the barrel end of the axle level cylinder. Support
the cylinder. Do not apply any lifting pressure.
9 Remove the fasteners securing the axle level
cylinder barrel-end pivot pin to the chassis.
10 Use a soft metal drift to remove the pivot pin.
Lower the cylinder onto the axle.
Crushing hazard. The cylinder will
fall if not properly supported when
the pivot pin is removed from the
machine.
11 Repeat this procedure, beginning with step 6,
for the other side of the axle.
12 Remove the fasteners securing the axle to the
chassis. Remove the axle from the machine.
Crushing hazard. The axle will fall
if not properly supported when the
fasteners are removed from the
machine.
Note: When installing the axle onto the chassis,
torque the fasteners to specification.
Torque specification
Axle mounting fasteners
Axle
380 ft-lbs
515 Nm
4 - 73