Baroness GM2810, Service Manual

Page: 64 / 185

Caution
Before starting pressure measurement, make
sure that there are no people around the
machine.
Lower the mower units, and then remove the
hydraulic hose from the adapter attached to
the hydraulic cylinder.
1
2
3
4
z4kw7w-009
Up/Down circuit_002
1 Mower unit
2 Cylinder
3 Adapter
4 Hydraulic hose
Install the pressure gauge for high pressure
measurements between the removed hose
and adapter.
1
2
3
z4kw7w-010
Up/Down circuit_003
1 Hydraulic hose
2 Adapter
3
Pressure gauge for high pressure
measurements
1.
2.
Make sure that the parking brake is applied,
and then start the engine.
1
z4kw7w-011
Up/Down circuit_004
1 Mower unit
Rev the engine up to the maximum rpm.
The normal pressure is 13.7 MPa (1,986.95
psi) when the up/down lever is shifted to the
"UP" position and the up/down cylinder is
retracted to its maximum.
Items to Prepare for Measurement
Prepare a pressure gauge for high pressure
measurements, T-joint TEF1/4, 6 adapter,
and 6 hydraulic hose.
10
20
30
15
25
35
5
1 2
4
2
3
2
z4kw7w-043
Up/Down circuit_005
1 6 Hydraulic hose
2 6 Adapter
3
Pressure gauge for high pressure
measurements
4 T-joint TEF1/4
3.
4.
5.
GM2810
Hydraulic system
Page 4-36
Measurement