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Maintenance - Hydraulics
19
Venting control block
19.4
BiG Pack 1270 XC
Original Operating Instructions 150000748_01_en
285
ü
The hydraulic hoses (
/
.
Start the tractor. In doing so, check visually whether the flywheel is turning.
Æ
The control block has been correctly vented when the tractor can be started but the flywheel
is not turning.
Æ
If the tractor
cannot
be started or if the flywheel turns, vent the control block again.
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.
19.4.4
Test run for tractor with Load Sensing system and machine without
starter aid
ü
The system screw (1) is screwed in up to the stop.
ü
The hydraulic hose (
) is connected.
ü
The hydraulic hoses (
/
.
Start the tractor.
Æ
If the tractor can be started, the control block has been correctly vented.
Æ
If the tractor
cannot
be started or if the starting process takes a long time, vent the control
block again.
19.4.5
Test run for tractor with constant flow system and machine with starter
aid
ü
The system screw (1) is unscrewed up to the stop.
ü
The flywheel brake is released.
ü
The hydraulic hose (
) is disconnected.
ü
The hydraulic hoses (
/
.
Start the tractor.
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.
Содержание Big Pack 1270 XC
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