00198608-02_SM_CP20P2_Kunde_EN - 第63页
8 Return unit 8.1 Replacing the return unit, cylinder, holder and driver lever Service Manual SIPLACE SpeedStar (C&P20 P2) 01/2019 63 Fig.84: Electrical and pneumatic connections ► Unplug all electrical and pneumati…

8 Return unit
8.1 Replacing the return unit, cylinder, holder and driver lever
62 Service Manual SIPLACE SpeedStar (C&P20 P2) 01/2019
Preparation
► Remove the head from the machine. For details about removing and fitting the placement
head, refer to the service manual for your machine.
Fit the head on the head mount [03056231‑xx].
► Make sure that the component sensor protective cap is fitted.
1.1.3 "Safety instructions for the component sensor" [}6]
Removing the return cylinder
Fig.82: Pulling the cover off
► Pull the cover(1) off the intermediate
distributor.
The cover is fixed by four press studs
on the stay bolts.
Fig.83: Dismantling the return cylinder
► Remove the two screws(1) (TX10)
fastening the return unit and then care-
fully pull the return unit slightly out of
the head.

8 Return unit
8.1 Replacing the return unit, cylinder, holder and driver lever
Service Manual SIPLACE SpeedStar (C&P20 P2) 01/2019 63
Fig.84: Electrical and pneumatic connections
► Unplug all electrical and pneumatic
connections. If necessary, mark their
positions to make clear assignment
easier later on.
► If you are replacing the whole return
unit assembly, continue with the install-
ation of the return unit.
Removing the driver lever
Fig.85: Driver lever - fastening screw
► Loosen the screw(1) (Allen2) fasten-
ing the driver lever(2).
► Pull the driver lever down and off.
► If you are only replacing the driver
lever, continue with installation of the
driver lever.
Removing the return cylinder holder
Fig.86: Driver lever - fastening screw
► Loosen the screw(1) (TX8) fastening
the return cylinder holder(2).
► Pull the return cylinder holder down
and off.

8 Return unit
8.1 Replacing the return unit, cylinder, holder and driver lever
64 Service Manual SIPLACE SpeedStar (C&P20 P2) 01/2019
Fitting the return cylinder holder
Fig.87: Driver lever - fastening screw
► Fit the return cylinder holder(2) onto
the return cylinder.
There should be no gap between the
pneumatic cylinder and the holder.
Tighten the screw(1) (TX8, M2.5x14)
with a torque of 0.65Nm.
Fitting the driver lever
Fig.88: Parallelism
NOTICE!
Pay attention to parallelism
When assembling the return unit, pay
attention to the parallelism of the re-
turn cylinder, return cylinder holder
and the driver lever.
.
Fig.89: Driver lever - fastening screw
► Fit the driver lever(2) onto the return
unit.
To do this, attach the driver lever fully
onto the pin of the return unit.
Tighten the screw(1) (Allen2,
M2.5x10) with a torque of 1.15Nm.