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19
Maintenance - Hydraulics
19.4
Venting control block
286
BiG Pack 1270 XC
Original Operating Instructions 150000748_01_en
19.4.6
Test run for test rig and machine with starter aid
On machines with “starter aid” version, the control block can also be vented on a test rig instead
of on a tractor.
ü
The system screw (1) is unscrewed up to the stop.
ü
The flywheel brake is released.
ü
The hydraulic hoses (
/
) are connected.
Move the control unit (
) several times from the pressure position into the float
position. In doing so, check visually whether the flywheel is turning.
Æ
If the flywheel is
not
turning, the control block has been correctly vented.
Æ
If the flywheel is turning, vent the control block again.