00197551-01_MM_CPP-CP-Twin_Kunde_en.pdf - 第25页
Maintenance tasks for CPP 3.5.2 Maintenance Tasks on Vacuum-Conducting Parts Performing Ma intenan ce Tasks Maintenance Manual SIPLACE Placement Heads CPP, C &P20, Twin 25 Checking/Replacing the Silencer Removing the…

Maintenance tasks for CPP
Performing Maintenance Tasks 3.5.1 Replacing the Pressure Control Valve
24 Maintenance Manual SIPLACE Placement Heads CPP, C&P20, Twin
3.5
3.5 Performing Maintenance Tasks
Performing Maintenance Tasks
3.5.1
3.5.1 Replacing the Pressure Control Valve
Replacing the Pressure Control Valve
Replacin g the Pres sure Contr ol Valve
Replacing the Pressure Control Valve
➢ The placement head must be removed for this maintenance task.
► Replace the pressure control valve. Read the service manual for your placement head for more in-
formation.
3.5.2
3.5.2 Maintenance Tasks on Vacuum-Conducting Parts
Maintenance Tasks on Vacuum-Conducting Parts
Removing the Screwed Joint of the Silencer
NOTICE
Recommendation
We recommend that you have an additional pressure control valve available, so that this can
be easily replaced during head maintenance.
The actual cleaning of the removed pressure control valve can be performed later on.
► For more information about this, read section "6 Maintenance Tasks for Pressure Control
Valve" [ ➙ 65].
NOTICE
Vacuum test
► When carrying out the following tasks, especially check the segments that were noticeable
during the vacuum test.
CAUTION
Checking the silencer
Technical information "Defective silencer at CPP head" [DE: TI2013-04D01] [EN:
TI2013-04E01].
► Check the silencer on the problems described in the technical information and replace it, if
needed.
► Remove the screwed joint (1). This task must be car-
ried out by authorized personnel. For removal and in-
stallation details, read the Service manual.
► Take out the holding circuit housing together with the
silencer.

Maintenance tasks for CPP
3.5.2 Maintenance Tasks on Vacuum-Conducting Parts Performing Maintenance Tasks
Maintenance Manual SIPLACE Placement Heads CPP, C&P20, Twin 25
Checking/Replacing the Silencer
Removing the Holding Circuit
Cleaning the Housing of the Holding Circuit
CAUTION
Damage of the board
When replacing the silencer, the board located beneath it could be damaged.
► Only replace the silencer on the removed holding circuit housing.
► Carefully remove the two retaining clips (2) on the left
and right of the silencer (1). You will need to support
the tab on the silencer with your fingers. This pre-
vents the tab from breaking off.
CAUTION!
Make sure that you do not bend the silencer!
Always open both retaining clips to remove the silencer!
► Remove the silencer.
► Check the silencer for dirt and damage. Replace the
silencer, if required.
► Dismantle the holding circuit (1). This task must be
carried out by authorized personnel. For removal and
installation details, read the Service manual.
► Use a cloth and cleaning stick to clean the cover, in-
cluding all grooves and recesses.
You can also use an anti-static plastic cleaner for bet-
ter cleaning results.

Maintenance tasks for CPP
Performing Maintenance Tasks 3.5.2 Maintenance Tasks on Vacuum-Conducting Parts
26 Maintenance Manual SIPLACE Placement Heads CPP, C&P20, Twin
Replacing the O-Rings on the Housing of the Holding Circuit
Cleaning the Screwed Joint
Installing the Silencer and the Screwed Joint
► Fit a new/cleaned holding circuit. This task must be carried out by authorized personnel. For removal
and installation details, read the Service manual.
► Fit the silencer and the screwed joint. This task must be carried out by authorized personnel. For
removal and installation details, read the Service manual.
► Replace the O-rings on the housing of the holding cir-
cuit
NOTICE!
The O-rings are contained in the set of seals for the hold
circuit [03095007-xx].
► Clean the screwed joint with a lint-free cleaning cloth.
You can also use an anti-static plastic cleaner for bet-
ter cleaning results.
NOTICE
Recommendations for installing the holding circuit
► We recommend that you have an additional holding circuit available, so that this can be
easily replaced during head maintenance.
The actual cleaning of the removed holding circuit can be performed later on (see "7.3.1
CPP: Cleaning/Checking the Holding Circuit" [ ➙ 76]).
► Replace all seals when installing the holding circuit.
The seals are contained in the set of seals for the hold circuit [03095007-xx].