September 2016
Part No.1272857
GTH-1544
3-33
Section 3 • Repair Procedures
HYDRAULIC PUMPS
How to Install the Auxiliary
Gear 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 Install the auxiliary gear pump to the engine.
2 Connect the hydraulic hoses to the pump.
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.
3 Open the hydraulic tank ball valve.
4 Start the engine and prime the pump. See 6-2,
How to Prime the Auxiliary Gear Pump.
5 Inspect for leaks.
6 Adjust the pump pressure. See 6-2,
How to test
the Auxiliary Gear Pump.
