13- 2
Service Manual
LWE130
© BT Europe AB
Hydraulic system – 6000
Description
T-code
Valid from serial number
Date
Order number
675
914369-
2005-09-23
226057-040
13.2 Description
Lift
The lifting motion occurs when the pump motor (M3) is run. Lift speed
depends on load weight.
The non-return valve prevents leakage through the pump. When the
load is in the lifted position, it is held in place by the non-return valve
and the closed electric lowering valve (Y41).
Lower
By opening the electric lowering valve (Y41), the load is lowered and
the maximum lowering speed of the forks is regulated by the flow con-
trol valve.
A pressure limit valve (overflow valve) prevents overload and protects
the pump motor from overpressure. A hose rupture valve is located at
the cylinder to prevent the load from falling uncontrollably in the event
of a hose rupturing.
Operating pressure
Operating pressure at rated load is 110 bar.
Pressure limit valve
The pressure limit valve opens at 130 bar.
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