3-36
GTH-1544
Part No. 1272857
September 2016
Section 3 • Repair Procedures
How to Remove the Hydrostatic
Transmission Pump
WARNING
Bodily injury hazard. This
procedure requires speci
fi
c
repair skills, lifting equipment
and a suitable workshop.
Attempting this procedure
without these skills and tools
could result in death or serious
injury and signi
fi
cant component
damage. Dealer service is
strongly recommended.
Note: When removing a hose assembly or
fi
tting,
the
fi
tting and/or hose end must be torqued to
speci
fi
cation during installation. Refer to Section 2,
Hydraulic Hose and Fitting Torque Specifi cations
.
Note: Perform this procedure with the engine off
and cool to the touch.
1 Open the engine compartment.
2 Remove the front cover of the engine housing.
3 Remove the cover that is under engine.
4 Locate the battery disconnect switch and
disconnect the battery from the machine.
5 Remove the retaining fasteners that secure the
battery disconnect switch mounting plate.
6 Tag, disconnect and plug the hoses that are
connected to the hydrostatic transmission
pump. Cap the
fi
ttings.
WARNING
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.
7 Remove the auxiliary gear pump from the
hydrostatic transmission pump.
8 Tag and disconnect the harness from the
transmission.
9 Support and secure the transmission pump to
a suitable lifting device. Do not apply lighting
pressure.
10 Remove the hydrostatic transmission pump.
WARNING
Crushing hazard. The
hydrostatic transmission pump
will fall if not properly supported
when the fasteners are removed
from the machine.
HYDRAULIC PUMPS
