117
Ending crane operation
Operator's Manual GB
8.4
1. Engage the pump.
2. Break the security sealing on dump valve 1
①
on the main control valve.
3. Use a screw driver (or similar) and push the
knob on dump valve 1
①
.
4. Check that no unintended movements starts.
If you get unintended movements then
release the knob and contact HIAB service.
5. Push the dump valve button and turn 90
degrees until it is blocked.
6. Operate the crane to parking position using
the levers on the main control valve.
Separate stabiliser control valve: [option]
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.
1. Follow actions 1-5 in previous section
"EMERGENCY operation to bring the
crane to parking position". The button on
dump valve 1 on the main control valve is
to remain depressed.
2. Break the security sealing on dump valve 2
②
on the main control valve.
3. Use a screw driver (or similar) and push the
knob on dump valve 2
②
.
4. Check that no unintended movements starts.
If you get unintended movements then
release the knob and contact HIAB service.
5. Push the dump valve button and turn 90
degrees until it is blocked.
6. Operate the stabiliser extensions and stabi-
liser legs to parking position using the
levers on the stabiliser control valve.