5. HYDRAULIC DIAGRAM 5.6 AUXILIARY SERVICES CONTROL VALVE 2. When the lift is raised When the lift is raised, the electronic lift control energises the solenoid (4) which move the spool (5) to the right. The oil in passage b can therefore flow through the check valve (2) into chamber e and from there to the lift cylinders. At the same time, the pressure present in passage b can flow into the chamber i and into the passage f and from there through the channel g into chamber h of the flow control (1). As the oil pressure is the same on both sides of the spool, the spool is shifted by the force of the spring (6) and the oil can flow from chamber a into the passage b .
e 2 5 4 R A P f i D000 4940 g b 1 6 a h 10-55