Krone Big Pack 1270, Original Operating Instructions, Page: 344 / 440

22 Repairs, maintenance and settings by technicians
22.19 Venting working hydraulics for "Comfort 1.0" version
344
BiG Pack 1270
Original Operating Instructions 150000747_02_en
Replacement
BPG000-069
„ Shut down and safeguard the machine, refer to page 27 .
„
Turn the flywheel manually in working direction until the roll to be replaced can be loosened
through the opening (1) with an Allen wrench.
„
Apply flywheel brake refer to page 92 .
„
Loosen the roll.
„ Release flywheel brake, refer to page 92 .
„
Turn the flywheel manually in working direction until the loosened roll can be removed from
the opening (2).
„
Apply flywheel brake refer to page 92 .
„
Remove the roll the from the opening (2).
„ Insert a new roll with a screw locking agent (e. g. Loctite medium-strength). Tighten it hand-
tight.
„
Release flywheel brake, refer to page 92 .
„ Turn the flywheel manually in working direction until the replaced roll can be tightened
through the opening (1) with a hexagon wrench.
„ Apply flywheel brake refer to page 92 .
„
Tighten the roll:
Nominal diameter in
mm Thread Tightening torque in
Nm
Roll (II) in fig. 47 M20 x 1.5 120
Roll (I) in fig. 72 M24 x 1.5 220
22.19 Venting working hydraulics for "Comfort 1.0" version
WARNING
Risk of injury due to inadequately vented working hydraulics
For the "Starter aid" version: If the working hydraulics is not vented via the control block,
the starter aid may start to move unintentionally. As a result, components may start to move
and cause personal injury.
„
To prevent personal injury, the working hydraulics must be vented after initial
commissioning and after performing maintenance and repair work at the working
hydraulics.