
Repairs, maintenance and settings by technicians
22
Venting working hydraulics for "Comfort 1.0" version 22.19
BiG Pack 1270
Original Operating Instructions 150000747_02_en
347
Without “starter aid” version:
Actuate a function (e. g. bale ejector) several times until the
oil flows out without bubbles.
For the “starter aid” version:
Activate the starter aid via the terminal repeatedly until the
escaping hydraulic oil runs out bubble-free.
When the escaping hydraulic oil runs out bubble-free, tighten the hexagon socket-head
screw (2).
To ensure the system is pressureless, set the control unit (,
) to the float position.
Position the plastic cap on the valve (K17).
22.19.3
Test run for tractor with Load Sensing system and machine with starter
aid
ü
The system screw (1) is screwed in up to the stop.
ü
The flywheel brake is released.
ü
The hydraulic hose (
) is connected.
ü
The hydraulic hoses (
/
.
Start the tractor. Perform a visual check to ensure that the flywheel is rotating.
Æ
If the tractor can be started without the flywheel turning, the control block has been
deaerated properly.
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. Perform a visual check to ensure that the flywheel is rotating.
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.
22.19.4
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.
Содержание Big Pack 1270
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