Mounting Of Spray Gun; Connection Of Input Lines; Starting / Stopping Requirements; Spray Pattern Test - WALTHER PILOT PILOT WA 900 Betriebsanleitung

In this version the gun can only be used in
radial mode.
If you have decided on a circulation mode
adapter plate, you must remove the sealing
pin (Pos. 37). This opens a second material
channel.
Screw the spray gun on the adapter plate.
Use the two socket head cap screws
(Pos. 38) for this purpose.
The following work must be performed
before you can start operation of the spray
gun with adapter plate.
4.2

Mounting of Spray Gun

Install the gun in a suitable and stable mounting device as shown in the following
example:
For this purpose, use the two M 6 holes (1) (adaptor
plate) with a hole spacing of 33 mm.
1
Other mounting devices upon request.
4.3

Connection of Input Lines

Warning
Make sure not to confuse the control and atomizing air connections -risk of injury.
with internal control
1 1
4a
3
1 = MATERIAL inlet fitting (G 1/4") marked with 'M'
2 = FAN air inlet fitting wide jet (PU outer ø 8 mm) marked with 'F'
3 = CONTROL air inlet fitting (PU outer ø 6 mm) marked with 'C'
4 a = ATOMIZING air inlet fitting round-/ wide jet (PU outer ø 8 mm)
marked with 'A'
4 b = ATOMIZING air inlet fitting round jet (PU outer ø 8 mm)
marked with 'A'
The spray gun is now properly installed and connected and ready for operation.
Radial method
Sealing pin
(Pos. 37)
Circulation method
without internal control
1 1
2 4b
3
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5 Operational Handling
5.1 Safety Warnings
Please pay special attention to the following safety warnings prior to taking this spray
gun into operation!
• Wear proper respiratory protection masks and protective overalls, whenever you
are operating this spray gun. Air-borne particles represent a health hazard.
• Make sure to wear suitable haering protectors. The gun produces sound levels
of up to 86 dB (A) which may cause hearing defects.
• Open fires, naked lights and smoking prohibited in the working area. Spraying
of readily flammable media such as paints and adhesive compounds is always
accompanied by the risk of fire and explosion.
5.2

Starting / Stopping Requirements

The following requirements must be met before taking this spray gun into operation:
• control air must be available at the gun.
• atomizing air must be available at the gun.
• material pressure must be available at the gun.
Caution
The material pressure shall not exceed • 8 bar, as, otherwise, the functional reliabty
of the spray gun will suffer.
Adjust the control air pressure to • at least 4,5 bar, in order to operate the spray gun.
The operation of the spray gun can be started/stopped by way of the 3/2-way control
valve (see the Operating Instructions of the plant systems manufacturer).
Warning
It is important to remember that the spray gun must be relieved of all pressures
whenever work is terminated. Lines left in pressurized condition could burst, with
their contents likely to injure anybody present nearby.
5.3

Spray Pattern Test

Spray pattern tests should be performed whenever:
• the spray gun is taken into operation for the first time.
• the medium is changed.
• the spray gun was taken apart for servicing or repairs.
The spray pattern can be tested using a work piece sample, a sheet of metal, card-
board or paper.
Warning
Keep away from the front of the spray gun - imminent risk of injury.
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