00197463-03_SM_CPP_Customer_EN.pdf - 第91页

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 a…

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.

7 Pressure control valve (PRV)

7.5 Exhaust air hose for CPP [03077294‑xx]

92 Service Manual SIPLACE Multistar (CPP / CPP M) 02/2018

Fig.153: Fastening the board

Fasten the board with five self-tapping screws(1)

to(5). 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 0.2Nm.

Fig.154: 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

0.20Nm.

► Follow the removal instructions in reverse order for further installation.

Also observe the installation instructions in the following section:

7.1 "Replacing the PRV [03072785‑xx]" [}79]

7.5 Exhaust air hose for CPP [03077294‑xx]

Fig.155: Exhaust air hose for CPP [03077294‑xx]

► Check the length of the exhaust air hose(1):

– Exhaust air hose CPP [03077294‑xx]:

318mm