00197469-02_SM_Twin_Kunde_EN.pdf - 第25页
4 Pneumatic and pressure control valve (PRV) 4.1 Replacing the air filter Service Manual SIPLACE TwinStar (Twin, Twin HF, Twin VHF) 07/2020 25 4 Pneumatic and pressure control valve (PRV) NOTICE Replacing small parts on …
3 Return unit
3.3 Replacing the hose and flat ribbon guide (Twin HF only)
24 Service Manual SIPLACE TwinStar (Twin, Twin HF, Twin VHF) 07/2020
Fig.23: Hose and flat ribbon guide
► Remove the hose and flat ribbon
guide(1)
.
Installation
Follow the removal instructions in reverse order for installation.
4 Pneumatic and pressure control valve (PRV)
4.1 Replacing the air filter
Service Manual SIPLACE TwinStar (Twin, Twin HF, Twin VHF) 07/2020 25
4 Pneumatic and pressure control valve (PRV)
NOTICE
Replacing small parts on the PRV
For details about replacing the small parts on the PRV, please read the job card:
► JobCard Preventive Maintenance SIPLACE TwinHead [DE:00197604‑xx]
[EN:00197603‑xx]
4.1 Replacing the air filter
Parts
●
Air filter assembly [03051420-xx] (suitable for all Twin types)
NOTICE
Head board function state
The head board must have at least FS 09.
Overview
Fig.24: Air filter assembly (example of Twin VHF shown)
1. Air filter assembly
2. Screws fastening the air filter
CAUTION!
Only digital PRV
Do not use an older filter with the new
PRV or a new filter with an analog
PRV. This filter may ONLY be used
with the digital PRV. The hose volume
specified will only work correctly here.
.
Fig.25: Air filter assembly
1. Air filter, closed
2. Air filter, open, with replacement filter
FE50 pulled out halfway
3. Replacement filter FE50 [03047489-xx]
The digital PRV has a precision tube in the
vacuum supply to the nozzle. Between this
tube and the vacuum connection of the PRV
you will find the air filter which protects the
generator from contaminants introduced via
the nozzle (this also applies to the analog
PRV).
4 Pneumatic and pressure control valve (PRV)
4.1 Replacing the air filter
26 Service Manual SIPLACE TwinStar (Twin, Twin HF, Twin VHF) 07/2020
CAUTION
Observing the orientation
Observe the orientation of the replacement filter.
► The replacement filter is pushed thicker end first into the lower opening of the air fil-
ter.
► Otherwise the air filter could be damaged.
CAUTION
Housing could break
Take care when screwing the housing into place.
Preparation
► Remove the head from the machine. For details about removing and fitting the placement
head, refer to the service manual for your machine.
Removal/installation
Removal and installation of the air filter follows the same procedure as that for the pressure control
valve.
4.2 "Replacing the pressure control valve (PRV)" [}27]
Observe the following instructions:
► Tighten the air filter cover and the two fastening screws hand-tight.