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Maintenance and CleaningMSA

ASV without warning device

Fig. 3 Device disassembled

Piston Components

(1) Unscrew the long nipple for the compressed air feeding line.

(2) By knocking the housing on a suitable underground (e.g. wooden table plate),

softly make piston glide out of the cylinder bore, resp. carefully pull it out of the

housing with a suitable clamp (e.g. round-nose pliers).

1 SCBA (short plug nipple) 8 Piston

2 Reverse valve 9 Silicon O-Rings:

3 Lung governed demand valve (lock

coupling)

9a 5x1,75

4 Carrying plate 9b 6,07x1,78

5 Locking Screw 9c 8x1,6

6 Valve Insert 10 Piston spring

7 Compressed Air Feeding Line

(long plug nipple)

9a 9b 9c 8

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MSA ASV Specifications

General