60 “Translation of the original instruction”
4-1
5.3.1 Hydraulic Pump
The hydraulic pump is a single stage gear pump.
CAUTION: When removing the hose assembly or
connector and reinstalling it, you must replace the
O-ring on the connector and / or hose and set the
torque according to the specifications.
5.3.1.1 Method to Test Hydraulic Pump
1.Connect a pressure gauge with a measuring range
from 0 to 350 bar to the test port on the function
header.
2.Remove the platform controller from the platform
and place the controller near the function tank of the
machine tank side.
3.Turn the machine completely to the left or right side
and remain stable. Write down the pressure reading
on the pressure gauge.
5.3.1.2 Method to Remove the
Hydraulic Pump
1.Mark, disconnect and plug the hydraulic hose
on the pump. Cover the pump with the cover.
Caution! Risk of physical injury. Sprayed out
of the hydraulic oil may penetrate and burn the
skin. Slowly release the hydraulic connection to
gradually reduce the oil pressure. Do not spray or
splash oil.`
2.Remove the mounting bolts from the pump.
Carefully remove the pump.
Caution! When replacing the hydraulic pump, it
is important to adjust the lift speed and drive
speed back to the original factory settings.
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