Power Transmission; Physical Description - Stiga PARK PRO 540 IX Workshop Manual

PARK PRO 540 IX - 740 IOX

4.3 Power transmission

4.3.1 Physical description

A. Rear axle drive with its hydraulic motor
(7).
B. Front axle drive with its hydraulic motor
(9).
C. Hydraulic pump. The parts 1-3 and 8
below are positioned in the hydraulic
pump.
1. Charge pump, max 55 bar
2. Main pump.
3. Pressure reliefe valve for the charge
pressure.
4. Oil tank.
5. Oil filter.
6. Connection to the auxiliary hydraulics
(steering valve and implement lifter).
7. Hydraulic motor in the rear axle drive
(A).
8. By-pass valve in the hydraulic pump
(C).
WORKSHOP MANUAL Chapter
4 - Hydraulic system
9. Hydraulic motor in the front axle drive
(B).
11. Leak flow lines.
12. Main flow lines.
13. By-pass valve (only used when oil
change)
Colour -Pressure
Red is the feeding pressure to the
main pump and to the auxiliary
hudraulics.
Dark red is the working pressure to
the hydraulic motors.
Blue is the atmospheric pressure in
the oil tank and housings.
Light blue is below the atmospheric
pressure (pump
EDITION Page
2018 3