Operating techniques
68 Hydraulic equipment for clamshell (option)
Removing the clamshell
1 Place the machine on firm and level ground.
2 Lower the boom and lay the clamshell flat on the ground.
3 Disconnect the hydraulic hoses of the clamshell from the hy-
draulic connections on the boom.
NOTE! Lay the clamshell on a pallet. This enables easier
transport of the clamshell after disassembly.
NOTE! Depending on the equipment the hydraulic connec-
tions on the boom can vary from the illustration and the des-
cription.
Clamshell operation
The clamshell is operated with the control pedal for attachments.
1 Kick down the control pedal (5) to activate the clamshell func-
tion.
2 Release the control pedal (5) to deactivate the clamshell func-
tion.
WARNING!
Before removing or connecting hydraulic hoses the engine
must be shut down and the control levers shifted to all
directions, in order to relieve any trapped pressure. It must
be strictly assured that the engine cannot be started after
hydraulic couplings have been opened.
5
6
1012122
A
B
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