Revision 1.0
29
Datum
02.08.10
Hydraulic Schematic
HACKBARTH
15939 Piuma Ave
Cerritos, CA 90703
S1, S2 on lift cylinder and S7, S8 on push pull valve block are double acting release valves:
They have to be activated for fluid to go through them in either direction
To slide out S8 is activated to allow fluid to both sides of retractable cylinders
To slide in S7 is activated to allow fluid to piston rod side of retractable cylinders
Functions:
Lift:
M+S1+S2
Lower:
S1+S2+S5+S11
Slide Out:
M+S8
Slide In:
M+S7
7.2.3
Hydraulic Schematic
Figure 9: Hydraulic Schematic