SECTION 4 - BASIC HYDRAULIC INFORMATION & SCHEMATICS
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4-5
4.5
HYDRAULIC PUMP AND ELECTRIC MOTOR
ASSEMBLY - 3246R
The hydraulic pump and motor are located on the right
side component swing out door, next to the hydraulic
tank assembly.
Pump/Motor Removal
1.
Shut off machine power.
2.
Disconnect the battery (+) cable or quick discon-
nect, if equipped.
3.
Open right side component swing out door and
locate the hydraulic pump and motor assembly.
4.
Label and disconnect the positive (+) and nega-
tive (–) power cables on the electric motor.
5.
Remove the four bolts (2), and washers from the
pump/motor assembly and raise the pump end
up above the oil level in the hydraulic tank.
6.
Loosen and remove the pump pressure side fit-
ting and hose. Cap the pump port and the hose
fitting. Keep pressure hose elevated if necessary.
7.
Loosen the suction side hose, keeping it above
the oil level in the hydraulic tank. Plug the end of
the hose and tie up to keep the end higher than
the oil level in the tank.
8.
Move the pump/motor assembly to a suitable
work surface for disassembly.
Figure 4-1. Hydraulic Pump - Motor Components
1.
Pump/Motor Assembly
2.
Mounting Plate, Screws, Nuts and Washers
3.
Pump Suction Port
4.
Pump Pressure Port Fitting with O-Ring
5.
Negative (–) Cable Connection
6.
Positive (+) Cable Connection
7.
Inlet Hose from Hyd. Tank
8.
Outlet Hose to Manifold Valve
MAF09990
8
2
7
3
5
6
4
1
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