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Hydraulic schematic
Revision 1.5
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Hydraulic schematic
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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
Tilt Up: M+S5
Tilt Down: S3+S4
Slide Out: M+S8
Slide In: M+S7
Figure 29 Hydraulic schematic ILU