OM 803 us – Edition 3.7 * 803b340.fm 3-57
Operation
Auxiliary hydraulics (double-action option) (up to serial no. AI00975)
Injury hazard due to auxiliary hydraulics operation!
Can cause serious injury or death.
• In order to minimize the risk of unintentional operation, flip the pedal for-
ward after actuating the auxiliary hydraulics.
Follow the instructions in the Operator’s Manual of the attachment manufac-
turer for connecting the auxiliary hydraulics to an attachment.
Hammer/grab operation changeover
Hammer/grab operation changeover is performed with lever 19.
Hammer operation enabled
➥Oil flows to the hammer through the pressure line and to the reservoir through the
return line.
Grab operation enabled
• Press the pedal backward – the grab rotates to the left.
• Press the pedal forward – the grab rotates to the right.
➥Oil flows forward through the left or right-hand pressure line.
Check the auxiliary hydraulics pedal for correct function.
☞Unfold the left-hand pedal 10
➥Auxiliary hydraulics can be actuated
Fig. 124: Hammer/grab operation changeover
19
A
B
Position Lever Function
A
☞Turn lever 19 upward
➥Hammer operation
B
☞Turn lever 19 to the right
➥Grab operation
Fig. 125: Auxiliary hydraulics
10
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