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19
Maintenance - Hydraulics
19.4
Venting control block
284
BiG Pack 1270 XC
Original Operating Instructions 150000748_01_en
Collect escaping hydraulic oil in a suitable container and dispose of properly.
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).
19.4.2
Venting control block when the system screw is screwed in
To depressurise the system, move the control unit (
) into the float position.
Shut down and safeguard the machine,
.
Screw in the system screw (1) up to the stop.
WARNING! Increased risk of injury!
There is an increased risk of injury when the tractor
engine is running. Thus, secure the tractor against rolling away and never turn on the PTO
shaft.
Start the tractor.
In order to supply the hydraulic system with pressure, set the control unit (
) to
pressure.
Using an allen key (2 mm), loosen the inner hexagon socket-head screw (2) by one turn.
Collect escaping hydraulic oil in a suitable container and dispose of properly.
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 depressurise the system, move the control unit (
) into the float position.
Attach the plastic cap on the valve (K17).
19.4.3
Test run for tractor with Load Sensing system and machine with starter
aid
ü
The system screw (1) is screwed in until the stop is reached.
ü
The flywheel brake is released.
ü
The hydraulic hose (
) is connected.
Содержание Big Pack 1270 XC
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