May 2015
Second Edition - First Printing
Part No. 57.0009.0607
GTH 4016 R - GTH 4018 R - GTH-5021 R 59
Slewing Upper Structure Locking
Pin
This manual device is placed at the back of the
cabin.
To lock/unlock the slewing upper structure
rotation:
Rotation locking
1. Rotate the turret until the writing “TURRET
ALIGNED” appears on the Load Limiting
display.
2. Turn off the engine and engage the parking
brake.
3. Working inside the cab, open the rear window
and lift up the locking pin.
4. Set the device in position A to lock the slewing
upper structure: operator will see the lock
symbol on the top handle pin.
Rotation unlocking
1. Set the device in position B to unlock the
slewing upper structure: operator will see the
unlock symbol on the top handle pin.
Operating Instructions
Transmission Control
When the slewing upper structure is slewed
in rearward position, all the steering controls are
switched!
Use the transmission control lever to control the
direction of machine travel.
To drive forward, move the transmission control
lever up and towards the front of the machine.
To drive in reverse, move the transmission control
lever up and towards the back of the machine.
To return to neutral, move the transmission control
lever to the center position.
The speed engagement is signalled by the
dedicated indicator lights, according to the
engaged speed.
A
B
