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Piston pump
This is to convert mechanical energy of the
motor to fluid energy through reciprocal
movement of the piston. It is positioned on
the right-hand side of the engine and driven
by the V belt. Gear pump is equipped as an
operation pump.
Wheel motor
This is to convert fluid energy from the pump
to mechanical energy (revolving movement)
and directly drive the vehicle body. Wheel
motors are positioned at each of the two rear
wheels for two-wheel-drive vehicles and at
all three wheels for three-wheel-drive
vehicles.
Valve module
This is composed of functionally independent
valves put together into one block.
This equipment consists of many valves
including those for mainly setting the
pressure, for raising/lowering the rake and
for supplying hydraulic oil to the steering
circuit constantly on a priority basis. It is
positioned in the center inside the front
cover.
Torque generator
This is to obtain high torque revolution from
output axis generated through hydraulic
power by low torque revolution of input axis.
It is positioned beneath the steering wheel
inside the front cover.
Oil cooler
This is to cool high temperature oil. It is
positioned under the left-side of the seat in
front of the engine.
Drive switching valve
This is to switch between two-wheel-drive
and three-wheel-drive by switching the
direction of oil flow. It is positioned within
reach on the right-hand when seated.
Check valve
This is to freely pass the oil in one direction
and completely block the oil flow in the
opposite direction. It is used for three-wheel-
drive only and positioned inside the right-rear
tire, underneath the hydraulic oil filter.
Raise/lower cylinder
This is to convert fluid energy from the pump
to mechanical energy (reciprocal movement)
for raising/lowering of the rake. It is
positioned inside the right-rear tire.
Branch fitting
1.
2.
3.
4.
5.
6.
7.
8.
9.
This is to divide or collect the flow of oil. It is
positioned almost in the center between the
right and left rear tires.
Valve module
Flow of hydraulic oil
OUT
B3
S2
P2
S1
B1
A1
P
T
G
PF
B1
P1
IN
b
3
2
c
a
5
4
1
6
r7opl7-001
Flow of hydraulic oil_001
1
Torque generator
2
Oil cooler
3
Hydraulic tank
4
Valve module
5
Raise/lower cylinder
6
Piston pump
a
Measurement port
b
Input axis
c
Output axis
■
Hydraulic system
Page 5-4
Specifications
Содержание SP05
Страница 1: ...Bunker rake SP05 Service manual Serial No 10151 Vol 1...
Страница 4: ...Contents 2...
Страница 10: ...Safety Page 1 6 Safety labels and operation labels...
Страница 11: ...Waste disposal 2 2 Disposal Disposal Page 2 1...
Страница 84: ...Hydraulic system Page 5 46 Removal and installation of each section...
Страница 102: ...Electrical system Page 6 18 General inspection and repair...
Страница 118: ...Main body Page 7 16 Inspection and repair of each section...
Страница 134: ...Troubleshooting Page 9 8 Work machine and mower unit problems...
Страница 142: ...SP05 SM USZ 10A 00 S K...