00197463-03_SM_CPP_Customer_EN - 第86页

7 Pressure control valve (PRV) 7.4 Replacing small parts on the PRV 86 Service Manual SIPLACE Multistar (CPP / CPP M) 02/2018 Fig.133: Top board ► Remove the two screws and swing the board up- wards.  CAUTION! Take car…

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7 Pressure control valve (PRV)
7.4 Replacing small parts on the PRV
Service Manual SIPLACE Multistar (CPP / CPP M) 02/2018 85
Fig.130: Distance sleeve
1. Distance sleeve VADI-MPPE-QS6-24VDC–SA
[03119674‑xx]
 NOTICE!
Newer versions of the PRV do not have these
distance sleeves anymore.
.
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 "Protecting the component sensor" [}8]
Removal
Fig.131: PRV parts
 CAUTION!
Do not mix up the parts
The PRV parts are aligned and are not to be
mixed with the parts of other PRVs.
.
Remove the pressure control valve.
7.1 "Replacing the PRV [03072785‑xx]" [}79]
NOTICE
Depending on the spare part to be replaced, you may not need to do all the following re-
moval steps.
Fig.132: Removing the cover plate
Remove the three screws fastening the cover
plate and remove the cover plate.
7 Pressure control valve (PRV)
7.4 Replacing small parts on the PRV
86 Service Manual SIPLACE Multistar (CPP / CPP M) 02/2018
Fig.133: Top board
Remove the two screws and swing the board up-
wards.
 CAUTION!
Take care not to damage the sensor O-ring.
.
Fig.134: Side board
Remove the three screws and then remove the
board.
 CAUTION!
Never loosen or remove the screw in the
middle!
.
Fig.135: O-ring on vacuum sensor
Remove the vacuum sensor O-ring.
Fig.136: Plastic ring
Remove the white plastic ring.
Fig.137: Remove the plunger
Remove the plunger with the help of a size 10
wrench.
7 Pressure control valve (PRV)
7.4 Replacing small parts on the PRV
Service Manual SIPLACE Multistar (CPP / CPP M) 02/2018 87
Installation
Fig.138: Removing the elbow pipe connector
Remove the elbow pipe connector.
Fig.139: Check the plunger
Check the plunger for damage.
If the plunger is damaged, replace the whole
PRV.
If the plunger is ok, proceed with the next step.