Pinguely-Haulotte HA20PX, Repair Manual

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Repair manual 135
59
11 -
HYDRAULIC EQUATIONS
11.1 - TRAVEL
PV: YV1 + YV6 & YV7
GV: YV1 + YV6 & YV7 + YV10 + YV 12
Differential blocking : YV13
11.2 - TURNTABLE ROTATION
YV1 + YV5 A or B
11.3 - ARM LIFTING
YV1 + YV4 (B = up, A = down)
11.4 - BOOM LIFTING
YV1 + YV 3 ( B = up, A = down)
11.5 - TELESCOPING
YV1 + YV 2A + YV 14 (A = out, B = in)
11.6 - OTHER MOVEMENT
YV1 + YV2B +
Jib =YV 18 ( A = up, B = down)
or
Platform rotation =YV 19 A or B
or
Manual compensation =YV15 A or B
or
Steering front axle =YV 21 A or B
or
Steering rear axle = YV22 A or B