Manitowoc Grove GMK4100L-1 Operating Manual page 246

Driving
5.2 Operating the transmission
In manual
operating mode
H
5 - 32
In this operating mode, the transmission only shifts when you actuate the
gearshift lever.
Manual upshifting
To upshift, you must pull the gearshift lever upwards briefly:
– Upshifting one gear:
– Upshifting two gears:
– Upshifting three gears:
The newly engaged gear will be shown in the display.
Manual downshifting
To downshift, you must press the gearshift lever downwards briefly:
– Shift one gear down:
– Shift two gears down:
– Shift three gears down:
The newly engaged gear will be shown in the display.
If you initiate a gear change which would cause the maximum permitted
engine speed to be exceeded, the transmission does not shift.
In that case, slow the truck crane down until a permissible engine speed is
reached, and downshift again.
Push up once
Briefly push upwards twice
Briefly push upwards three times
Push downwards once
Briefly push downwards twice
Briefly push downwards three times
3 302 690 en Operating manual
GMK4100L-1