Specifications
Service Training
Page 4.2
Section 57
09.04
D
Pressure rises to
14 bar minimum
Engine speed control is
okay.
yes no
yes no
yes no
Shuttle valve (D) faulty.
Engine
speed increases when
fork carriage is
lowered.
Pressure reducing valve
(8) of control valve faulty.
Pressure balance faulty.
Remedy the fault or
renew control unit.
Engine speed
of 2250
+ 50
rpm is
reached
With accelerator pedals released, pull the lift lever fully back and hold there.
Install LP gauge with screw coupling 1.1 to port VS of working hydraulics
control valve (speed control signal). Start engine, pull the lift lever fully back
and hold there.
Fully extend the lift cylinder and then move the lift lever to the lowering position.