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…

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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) (Allen2) 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 0.65Nm.
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) (Allen2,
M2.5x10) with a torque of 1.15Nm.