
SDC 2002
6. Maintenance
6-32
Operating Instructions - Rev. 1 / 6.2003
6.8.1. ADJUST COMPRESSED AIR OF THE GATEBLAST UNIT
7
1
2
3
External air compressor
• 2.5 - 7.5 bar (35 - 100 lb/sq.in.)
• pre-filtered air (max. 40 m)
• < 80% relative air humidity
• required air quantity 40 l / min
• oilfree
Pressure reducer
Air filter 3 m
with water draining
Magnetic valve
Gateblast unit
additional throttle
in the hose
adjust air pressure
to 0.3 bar (4 lb/sq. in.)
Fig. 631: Gateblast unit of the film scanner
The gateblast unit consists of the a magnetic valve, an air filter with water draining
and a pressure reducer.
When the film scanner is switched off or when mains failure occurs, the magnetic
valve of the gateblast unit switches off the air supply.
1. Switch the film scanner to play and open the rear doors.
2. Adjust the air pressure at the gateblast unit to 0.3 bar (4 lb/sq.in.).
Pull the knob of the pressure reducer, adjust the air pressure and press the
knob again for locking.
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