Switching On The Slewing Gear Freewheel - Manitowoc Grove GMK4100L-1 Operating Manual

Driving modes
6.3 Rigging work for driving with a dolly
6.3.1
G
H
6 - 14

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;
p. 11 - 19.
H
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.
•
Place the boom on the dolly as described in section Switching on the boom
floating position , p. 6 - 15.
Prerequisites
– The engine must be running.
– The slewing gear brake must be released, the lamp (1) must have gone
à
Releasing the slewing gear brake , p. 11 - 116
out;
Switching off the slewing gear freewheel;
à
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.
3 302 690 en
Switching off the houselock ,
à
p. 12 - 20.
Operating manual
GMK4100L-1