Transmission - Genie GTH-636 Service Manual

Section 4 • Repair Procedures

Transmission

5-1
Transmission
How to Remove the Transmission
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 strongly recommended.
Note: When removing a hose assembly or fitting,
the O-ring on the fitting and/or hose end must be
replaced and then torqued to specification during
installation. Refer to Section 2, Hydraulic Hose and
Fitting Torque Specifications.
Note: Perform this procedure with the engine off
and cool.
1 Disconnect the battery from the machine.
Electrocution hazard. Contact with
electrically charged circuits could
result in death or serious injury.
Remove all rings, watches and
other jewelry.
2 Chock the tires. Remove the driveshafts from
the machine.
3 Remove the drain plug from the radiator and
completely drain the radiator into a container of
suitable capacity. Refer to Section 2,
Specifications .
Burn hazard. Contact with hot
engine components or fluids may
cause severe burns.
4 - 42 GTH-636 • GTH-644 • GTH-842 • GTH-844 • GTH-1048 • GTH-1056
4 Tag, disconnect and plug the water lines at the
heat exchanger. Cap the fittings.
Note: Do not disconnect the transmission cooler
hoses from the heat exchanger.
5 Tag, disconnect and plug the hydraulic line at
the top of the transmission. Cap the fitting.
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.
6 Tag and disconnect the wire harness from the
transmission.
7 Support and secure the rear of the engine to a
lifting device of suitable capacity. Do not apply
any lifting pressure.
Dana T12000 transmission
a transmission temperature sender
b transmission pressure sender
c transmission shift coil 'B'
(drive reverse function)
d transmission shift coil 'A'
(drive forward function)
e transmission shift coil 'D'
(gear reduction)
f transmission shift coil 'E'
(gear reduction)
Note: refer to electrical schematic for additional
transmission shift coil information.
June 2007
REV C
a b c d e f
Part No. 97487