00197469-02_SM_Twin_Kunde_EN - 第48页

4 Pneumatic and pressure control valve (PRV) 4.7 Replacing the pneumatic rotary supply 48 Service Manual SIPLACE TwinStar (Twin, Twin HF, Twin VHF) 07/2020 Fig.73: Removing the pneumatic rotary supply ► Pull the pneumat…

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4 Pneumatic and pressure control valve (PRV)
4.7 Replacing the pneumatic rotary supply
Service Manual SIPLACE TwinStar (Twin, Twin HF, Twin VHF) 07/2020 47
4.7 Replacing the pneumatic rotary supply
Parts
●
Pneumatic rotary supply [03004609Sxx] incl. hose and screws (suitable for all Twin types)
●
Seal for sleeve with ball fixing P&P module [03020698‑xx] (suitable for all Twin types)
When replacing the pneumatic, also replace the seal, as this keeps the rotary supply tube
centrally aligned to the sleeve with ball fixing.
Overview
Fig.71: Pneumatic rotary supply
1. Pneumatic rotary supply [03004609-xx]
Preparation
► Remove the head from the machine. For details about removing and fitting the placement
head, refer to the service manual for your machine.
Removal
► Dismantle the buffer.
3.1 "Replacing the return unit buffer" [}17]
► Dismantle the sleeve with ball fixing.
4.6 "Replacing the sleeve with ball fixing/seal" [}43]
Fig.72: Disconnecting the hose
► Disconnect the short hose from the el-
bow.
4 Pneumatic and pressure control valve (PRV)
4.7 Replacing the pneumatic rotary supply
48 Service Manual SIPLACE TwinStar (Twin, Twin HF, Twin VHF) 07/2020
Fig.73: Removing the pneumatic rotary supply
► Pull the pneumatic rotary supply out of
the DP unit.
Installation
Fig.74: Cleaning the pneumatic rotary supply seat 1
► Clean the inside of the DP station shaft
with a cotton swab soaked in isopro-
panol.
Clean both sides as the cotton swab
will not be able to get fully into the guid-
ance from just one side.
Fig.75: Cleaning the pneumatic rotary supply
► Clean the shaft of the pneumatic rotary
supply.
4 Pneumatic and pressure control valve (PRV)
4.7 Replacing the pneumatic rotary supply
Service Manual SIPLACE TwinStar (Twin, Twin HF, Twin VHF) 07/2020 49
Fig.76: Cleaning the pneumatic rotary supply seat 2
► Clean the seat with compressed air.
Cover the outlet on the other side while
doing this.
Fig.77: Inserting the pneumatic rotary supply
► Insert the new pneumatic rotary supply
into the seat.
Fig.78: Silicone hose 4.5x2.5x26
► Fit the hose from the pneumatic rotary
supply onto the elbow. Connect the
hose so that no tension is applied to
the pneumatic rotary supply.
 CAUTION!
The new hose must be mounted abso-
lutely twist-free!
.