Manitowoc GROVE GMK5150L

Driving modes and rigging for on-road driving
6.3 Rigging work for driving with a dolly
6 - 12 3 302 709 en Operating manual
GMK5150L
12.01.2018
6.3.1 Switching on the slewing gear freewheel
When the main boom is set down on a dolly, the superstructure must be
able to slew when driving around corners. You must switch on the slewing
gear freewheel for this purpose.
• If a houselock is fitted, switch it off; à Switching off the houselock,
p. 11 - 19.
H
• Place the boom on the dolly as described in section Switching on the boom
floating position
, p. 6 - 13.
Prerequisites
– The engine must be running.
– The slewing gear brake must be released, the lamp (1) must have gone
out;
à Releasing the slewing gear brake, p. 11 - 116
Switching on
• Remove the lock (4) from the bore (2).
• Push the pin (3) inward as far as it will go.
• Secure the pin with the padlock in the
bore (1) and remove the key.
• Insert and secure the pin (3) on the other
slewing gear in the same way.
• Open the valve (5) – the slewing gear
freewheel is switched on.
H
Switching off the slewing gear freewheel; à p. 12 - 20.
G
Risk of accidents from the houselock being switched on
Always switch off the houselock before setting down the main boom on the
dolly. Otherwise the superstructure will be unable to slew when driving
around corners.