HOEFLON C4 - Page 88

User manual C4 – C6
88
 The valve block has seven valves with two functions per valve. Before using the emergency
control, check which function must be operated.
The table below shows which two functions per valve can be operated. Functions A to G
can be operated without connecting a plug from the emergency control.
If functions A1 to G1 must be operated, a plug from the emergency control must be
connected.
Function without emergency control
plug:
Function with emergency control plug:
A
Slewing
A1
Left-front outrigger
B
Extending/retracting boom
B1
Left-rear outrigger
C
Extension/retraction fly jib
C1
Driving left
D
Winch
D1
Driving right
E
Raising/lowering fly jib
E1
Right-rear outrigger
F
Raising/lowering boom
F1
Right-front outrigger
G
Extending/retracting ballast
G1
Extent/retract tracks
Figure: 109).
 Consult the table above to determine which valve controls the function that must be operated
(see figure 109).