00197490-03_SM_CP20-P-M2_EN保养维护 - 第58页
6 Pressure control valve (PRV) 6.2 Replacing the membrane and other small parts on the PRV 58 Service Manual SIPLACE SpeedStar (C&P20 P / C&P20 M2) 03/2018 Fig.88: Positioning the top part of the board ► Place t…

6 Pressure control valve (PRV)
6.2 Replacing the membrane and other small parts on the PRV
Service Manual SIPLACE SpeedStar (C&P20 P / C&P20 M2) 03/2018 57
Fig.85: Inserting the O-ring
► Lightly grease the O-ring with a lint-free cotton
swab and "Isoflex Topas 5051" [03078517‑xx].
► Then place the O-ring onto the vacuum sensor.
Fig.86: Greasing the O-ring
► Grease the O-ring slightly with a lint-free cotton
swab and "Isoflex Topas 5051" [03078517‑xx].
Fig.87: Inserting the board
► Push the board and coil into the housing.

6 Pressure control valve (PRV)
6.2 Replacing the membrane and other small parts on the PRV
58 Service Manual SIPLACE SpeedStar (C&P20 P / C&P20 M2) 03/2018
Fig.88: Positioning the top part of the board
► Place the top part of the board onto the housing.
Fig.89: Fastening the board
Fasten the board with five self-tapping screws. To do
so, proceed as follows:
CAUTION!
If possible, always use new screws of type PT-
WN1442-2.5X8-PT10.
.
► First check the thread by turning the screws
slightly to the left.
► Then fasten the screws with a torque of 0.2Nm.
Fig.90: Fitting the cover
► (1) Fit the cover at the top and (2) close it over
the printed circuit board.
► Fasten the cover with three screws. To do so,
proceed as follows:
– First check the thread by turning the screws
slightly to the left.
– Then fasten the screws with a torque of
0.2Nm.
Fig.91: Fitting the cover
► Fix the membrane cover into place on the PRV
with two screws.
► Follow the removal instructions in reverse order for further installation.
Also observe the installation instructions in the following section:
6.1 "Replacing the PRV" [}47]

6 Pressure control valve (PRV)
6.3 Replacing the exhaust tube
Service Manual SIPLACE SpeedStar (C&P20 P / C&P20 M2) 03/2018 59
6.3 Replacing the exhaust tube
Parts
●
Silicone hose (Di 8, Da 12, conductive, 1m) [03006727Sxx] (replaces: [03095873‑xx])
Overview
Fig.92: Exhaust air hose on the SIPLACE C&P20P
●
Exhaust air hose on the SIPLACE C&P20P
Length: 355mm
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]
Removal
Fig.93: Exhaust air hose
► Open the hose clamp(1).
► Unplug the exhaust air hose from the pressure
control valve (2).
Installation
► Cut the new hose to a length of 355mm.
► Follow the removal instructions in reverse order for further installation.