Ending crane operation
7.6
Separate stabiliser control valve:
The button on dump valve 1 on the main control
valve is to remain depressed.
1. Break the security sealing on dump valve 2.
The dump valve 2 is placed on the main
control valve, on the outlet section.
2. Press the dump valve button and turn 90
degrees until it is blocked.
3. Operate the stabiliser extensions and stabi-
liser legs to parking position using the
levers on the stabiliser control valve.
DANGER
To operate the crane like this is
HIGHLY
DANGEROUS
because during emergency op-
eration all crane security is disconnected.
Always go to/contact a HIAB service work-
shop when the seal wire has been broken.
7.6
TWI Transport warning inter-
face [option]
WARNING
If you switch off the safety system when
manual operated stabiliser extensions/tiltable
stabiliser legs are not locked in the transport
position, and/or if the first boom angle exceeds
a certain specified angle, the indicator lamps
for both the cylinders and the hoist will flash
red for a while.
The vehicle must not be moved.
Operator's Manual GB
79