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1.
Set the stroke adjustment dial (1) to "100 %" and screw out the
bleed valve (2).
2.
Slowly fill hydraulic oil through the opening for the gearbox vent
stopper (3) until the oil inspection window (3) is covered by 1/3.
3.
Start the pump.
4.
Allow the pump to run for a further 1... 2 minutes.
5.
Top up with hydraulic oil if necessary.
6.
Screw the bleed valve (2) back in.
7.
Replace the vent screw (4).
8.
Check whether these whole openings are tightly sealed again,
especially in the area at risk from explosion.
Maintenance
43
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