Maintenance and Cleaning
ASV without warning device
12
GB
If the ASV switches over below 4 bar, it must be checked, and perhaps the
O-rings must be replaced, see chapter 4.4 or at least lubricated,
see chapter 4.5.
Compressed Air Feeding from Compressed Air Net with Compressed Air Fil-
ter Housing and Connections for Compressed Air Filter Housing with Gauge
and Coupling
( also operating manual for Compressed Air Filter.)
(1) Connect compressed air line (min. 5m length) to filter housing with gauge and
coupling and to device (long plug nipple, Fig.1).
(2) Connect SCBA to device (short plug nipple, Fig.1).
(3) Connect LGDV to device (lock coupling, Fig.1).
(4) Open shut nozzle of the compressed air net. The initial pressure must be 6 bar,
max. 8.5 bar ( operating manual for SCBA).
(5) Open cylinder valve(s) of the SCBA.
The cylinder pressure must be min. 270 bar for 300 bar cylinders and
180 bar for 200 bar cylinders.
(6) Close shut nozzle of the compressed air net.
(7) Operate flushing button of the LGDV and watch the medium pressure gauge
of the compressed air filter housing.
The indicator should drop slowly, and the device should switch over at 4 bar
at the latest.
4.4 Disassembly
Tools required:
- Open end wrench AF 17
- Open end wrench AF 19
- Valve cap with integrated tools (motor-vehicle accessories)
- Box clamp
- Water pump clamp with plastic jaws
-Key
Before disassembly, all pressure lines have to be disconnected (housing without
pressure). The work place has to be dry and dirt-free.
FASIT Srl - Via Orsera 13/b - 34145 TRIESTE - ITALY - Tel +39 040 825604 - www.fasit.it - info@fasit.it
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