Baroness GM2810, Service Manual

Page: 81 / 185

Start the engine and depress the traveling
pedal while it is running at low rpm.
The charge pump sucks oil, air in the
hydraulic system will be bled in about 30
seconds,and then the circuit will be filled with
oil.
After the hydraulic circuit is filled with oil,
operate the up/down lever and switches to
operate the up/down cylinder several times.
Stop the engine immediately when the
cylinder does not move within 10 to 15
seconds or if there is any noise from the
pump. And then check the cause.
Then carry out the following inspections.
Loose, malfunction of the filter or suction
line
Loose, malfunction of the hydraulic metal
fitting of the pump
Block of the suction line
Block of the charge relief valve
Malfunction of the charge pump
Proceed to the following operation when the
up/down cylinder moves within 10-15
seconds.
Operate the traveling pedal for forward and
reverse to check if the wheels rotate in
correct direction.
When the wheels rotate in wrong direction,
stop the engine and then swap the lines
for the motor to correct rotation direction.
Stop the engine when the rotation
direction is correct.
Return the traveling pedal into the neutral
position.
Check neutral of the traveling and make
adjustment. (See the Owner's Operating
Manual)
Lower the machine to the ground.
Carry out the following operations when the
traveling pump or the wheel motor has been
removed.
Run for 10 minutes so as to rotate the
wheels slowly.
Then, gradually increase operation load
while running for 10 minutes.
Stop the machine, check the amount of
hydraulic oil and add it as necessary.
Make sure that there is no oil leakage.
Check all of the connections.
12.
13.
[1]
[2]
[3]
[4]
[5]
14.
15.
[1]
[2]
16.
17.
18.
19.
[1]
[2]
[3]
Check that the traveling is in neutral
position.
When any adjustment is needed, raise all
wheels of the machine, and then use jack
stands or any proper blocks to support it
firmly. [4]
Hydraulic system
GM2810
Hydraulic system
Page 4-53
General inspection and repair