24
7.2.2 ADJUSTING THE SPRAY PATTERN
The spray pattern can be adjusted to suit the object being sprayed using the shaping air
regulator. The illustration shows the influence of the shaping air regulator on the spray
pattern. Other nozzle sizes can be mainly used to obtain larger or smaller spray patterns.
B_02382
Shaping air
regulator fully open
Shaping air
regulator closed
7.3
PRESSURE RELIEF/WORK INTERRUPTION
The pressure must always be relieved:
– after the spraying tasks are finished,
– before servicing or repairing the spraying system,
– before carrying out cleaning tasks on the spraying system,
– Before moving the spraying system to another location.
– before something must be checked on the spraying system,
– before the nozzle or the filter is removed from the spray gun.
The components for pressure relief on a CE-compliant spraying system include:
– Air cock with pressure relief hole mounted between compressed air source and
pneumatic pump.
– Outlet equipment (return valve) mounted between pump and spray gun.
Pressure relief procedure
1. Close and secure the spray gun.
2. Relieve the air and product pressure in the product pressure generator in
accordance with the respective operating manual.
3. Point the spray gun into the grounded metal tank for return product.
4. Release and open spray gun to relieve the pressure. Avoid splashback.
5. When no further overpressure is detected, close and secure the spray gun.
– In the case of a clogged nozzle, proceed in accordance with Chapter
.
– If the product hose is obstructed: slowly loosen the hose connection to release the
remaining pressure.
Note:
Always follow the procedure described above if pressure relief is specified in the operating
manual.
If the spraying system has been used with 2K products:
NOTICE
Hardened product in the spraying system when 2K product is processed!
Destruction of pump and injection system.
Observe the manufacturer's processing rules, particularly in regards to the pot life.
Flush thoroughly before the end of the pot life.
The pot life is decreased by warmth.
VERSION 06/2018
ORDER NUMBER DOC2311730
Summary of Contents for GM 4700AC
Page 1: ...AirCoat Manual Gun for Flat and Round Jet Nozzles Version 06 2018 B_02376...
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Page 48: ...48...
