September 2016
Part No. 1272852
GTH-5519
3-23
Section 3 • Repair Procedures
How to Remove the Boom and
Steering Function Pump
WARNING
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 fitting and/or hose end must be 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 to the touch.
1 Close the hydraulic tank ball valve.
2 Open the engine cover and disconnect the
and disconnect the
battery negative (-) terminal.
battery negative (-) terminal.
WARNING
Electrocution/burn hazard.
Contact with electrically charged
circuits could result in death or
serious injury. Remove all rings,
watches and other jewelry.
3 Remove the cover that is under engine.
4 Tag, disconnect and plug the hoses located at
the right side of the pump. Cap the fitting on 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.
5 Tag, disconnect and plug the hydraulic pump
supply hose at the pump, located at the left
side of the pump. Cap the fitting on the pump.
Note: Placing the open end of the case drain hose
below the hydraulic oil level in the hydraulic tank
will result in excessive hydraulic fluid leaking from
the hose. Do not lower the open end of the case
drain hose below the fluid level of the hydraulic
tank until the hose is plugged.
6 Remove the fasteners securing the pump, then
remove the pump by pulling it to the front of the
machine.
WARNING
Crushing hazard. The pump
will fall if not properly supported
when the fasteners are removed
from the machine.
HYDRAULIC PUMPS
