Krone Big Pack 1270 XC, Оригинальная инструкция по эксплуатации

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Maintenance - Hydraulics 19
Venting control block 19.4
BiG Pack 1270 XC
Original Operating Instructions 150000748_01_en 283
„
Screw the bottom part of the filter (5) on the top part of the filter (1) until the stop is reached
and then turn it back one quarter turn.
„
Charge the hydraulic system with pressure and check it for leaks.
„ High-pressure filter (8) of the working hydraulics: Vent the control block, refer to
page 283 .
19.4 Venting control block
BP000-286
The control block must be vented
In order to vent the control block properly, the work functions must be actuated when the
system screw (1) is screwed in and when it is screwed out. Then a test run must be made.
„
Connect the hydraulic hoses ( , ) to a double-acting control unit.
„
Disconnect the hydraulic hose ( ).
„
To flush all trapped air out of the hydraulic system, actuate all working functions (bale
ejector, bale chute, for the “cutting unit” version: blade cassette, for the “self-steering axle”
version: self-steering axle, for the “starter aid” version: starter aid) several times.
19.4.1 Venting control block with unscrewed system screw
„
In order to depressurise the system, move the control unit ( ) into the float
position.
„
Shut down and safeguard the machine, refer to page 26 .
„
Unscrew the system screw (1) up to the stop.
„ Remove the plastic cap from the valve (K17).
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.