00197463-03_SM_CPP_Customer_EN.pdf - 第90页
7 Pressure control valve (PRV) 7.4 Replacing small parts on the PRV 90 Service Manual SIPLACE Multistar (CPP / CPP M) 02/2018 Fig.145: Cleaning the plunger ► Clean the plunger with a lint-free cloth soaked in isopropyl.…
7 Pressure control valve (PRV)
7.4 Replacing small parts on the PRV
Service Manual SIPLACE Multistar (CPP / CPP M) 02/2018 89
Fig.142: Blowing through the PRV
► Clean all the openings of the pressure control
valve with a compressed air pistol.
Observe the order of work:(1) to(5).
Fig.143: Cleaning the inside
► Clean the inside with a lint-free cloth soaked in
isopropyl.
Fig.144: Fitting the elbow pipe connector
► Fit the elbow pipe connector and fasten this with
a torque of 0.2Nm.
7 Pressure control valve (PRV)
7.4 Replacing small parts on the PRV
90 Service Manual SIPLACE Multistar (CPP / CPP M) 02/2018
Fig.145: Cleaning the plunger
► Clean the plunger with a lint-free cloth soaked in
isopropyl.
Fig.146: Grease the plunger
► Grease the plunger slightly at the higher positions
with Isoflex Topas 5051.
Remove any excess grease from the gaps.
Fig.147: Inserting the plunger
► Push the valve plunger back into the PRV.
The nib of the plunger must engage in the recess
on the valve.
Check by trying to turn the plunger. If it can be
turned, the nib has not yet engaged in the recess.
You might need to use the tool provided (see
next step).
Fig.148: Inserting the plastic ring
► Insert the white plastic ring. Turn the ring so that
the opening of the ring is level with the groove.
7 Pressure control valve (PRV)
7.4 Replacing small parts on the PRV
Service Manual SIPLACE Multistar (CPP / CPP M) 02/2018 91
Fig.149: Inserting the O-ring
► Grease the O-ring all around with a lint-free cot-
ton swab and "Isoflex Topas
5051" [03078517‑xx].
► Now insert the O-ring into the housing.
Fig.150: Greasing the O-ring
► Grease the O-ring slightly with a lint-free cotton
swab and "Isoflex Topas 5051" [03078517‑xx].
Fig.151: Inserting the board
► Push the board and coil into the housing.
Fig.152: Positioning the top part of the board
► Place the top part of the board onto the housing.