5.2.2
Descending speed adjustment
■
5.2.2.1
Unscrew nut on thro�le valve.
■
5.2.2.2
15 degree can be rotated each �me. Speed of cylinder retrac�ng will be lowered down by rota�ng
clockwise adjus�ng screw, and vice versa.
■
5.2.2.3
Screw down nut a�er adjustment finishes.
5.2.3
emergency depressurizing device of solenoid valve
■
5.2.3.1
Screw off cap nut from emergency depressurizing device of solenoid value.
■
5.2.3.2
Counterclockwise t urn the emergency depressurizing screw slowly to make the pla�orm go down.
■
5.2.3.3
Emergency depressurizing screw and cap nut is to be screwed down once pla�orm descends on ground.
Motor
S
olenoid valve
Pressure relief valve
Capacitor bo
x
Motor fan
Oil tank
Filling opening
Thro
�
le valve
5.2
Hydraulic diagram
25
AL
2525 &
AL
2625
USER MANUAL
Cau�on: Serious malfunc�on even human injury may occur if not properly follow adjustment method requested by
manufacturer. Contact AAQ or local AAQ partner for permission and technical support before adjustment.
5.2.1
Se�ng pressure adjustment of pressure relief valve
■
5.2.1.1
Unscrew cap from pressure relief valve, and rotate inner adjus�ng screw to reset pressure.
■
5.2.1.2
Pressure gauge is essen�al to set pressure of pressure relief valve.
■
5.2.1.3
Se�ng pressure will raise approx. 1.2MPa by rota�ng clockwise adjus�ng screw with 45 degree, and
vice versa. Screw down cap a�er adjustment finishes.
■
5.2.1.4
Repeat depressurizing and pressurizing to make sure new se�ng pressure reaches manufacturer’s
requirement.
