Driving modes and rigging for on-road driving
6.2 Rigging work for driving with a trailer
Operating manual GMK 6400 3 112 993 en 6 - 7
12.07.2013
6.2.1 Switching on the slewing gear freewheel
When the main boom is set down on a trailer, 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 - 17
• Place the boom on the trailer as described in section Switching on boom
floating position
, p. 6 - 8
Requirements
– The engine is running
– The slewing gear brake is released, the lamp (1) has gone out;
à Releasing the slewing gear brake, p. 11 - 99
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 lock in the bore (1)
and remove the key
• Fit and secure the pin (3) on the other slew-
ing gear in the same way
• Open the valve (5) – the slewing gear free-
wheel is switched on
H
Switching off the slewing gear freewheel; Ã p. 12 - 18.
G
Risk of accident from houselock being switched on
Always switch off the houselock before setting down the main boom on the
trailer. Otherwise the superstructure will be unable to slew when driving
around corners.
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