Wacker Neuson WL 30 Betreibershandbuch Seite 130

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Seitenansicht 129
RELIEVIN G RESIDUAL PRESSURE IN THE HY DR AULIC SYSTE M
128
For loaders with load holding control valves on the lifting
and attachment cylinder, open the valves (Fig. 60).
1. Unscrew the nuts Item 1
2.
Unscrew the screw Item 2 until the loader lift arms slowly
lowers.
Should the loader lift arms not lower due to friction or
insufcient mass, you will have to augment the process
using a control cable or ratchet straps.
3.
Screw the screw Item 2 back in as soon as the loader lift
arms is completely lowered and retighten the nuts Item 1.
For machines with load holding control valves on the lifting
and attachment cylinder which can be electrically unblocked,
the engine starter must be turned on and the switch for
unblocking actuated so that the work equipment can be
lowered to the ground.
Fig. 60
Load holding control
valve
2
1
Seitenansicht 129
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