7
PREPARATION / OPERATION
GM 3600
3
PREPARATION
1. Make sure trigger lock is activated.
Trigger lock activated
(gun will not spray)
2. Connect one end of the material hose to the spray gun,
and the other end to the pump.
3. Connect one end of the air hose to the spray gun, and the
other end to the air supply.
Connect
air hose
Connect
material hose
4. Model 2412194 only - Place the tip into the tip seal. Fit
the air cap over the tip, making sure that the location flats
(inset) are in line.
Flats
Tip
Tip
Air Cap
Air Cap
Tip Seal
5. Place the tip guard over the air cap and tighten.
4
OPERATION
1. Start up the spray unit (refer to the spray unit’s Owner’s
Manual).
2. Adjust the material pressure at the pump to approximately
400 PSI (3 MPa).
3. Unlock the spray gun. Pull the trigger and increase the
pump pressure until the spray pattern is acceptable.
4. Open the atomizing air at the external air regulator and
adjust the air pressure to the best spray pattern (to a
maximum of 32 PSI (0.22 MPa)). The form air may be
adjusted using the air adjustment knob to the required
spray jet width.
Attention
Do not turn the air adjustment knob using pliers.
Over-tightening and damage to the gun may
occur.
4.1
ADJUSTING THE SPRAY PATTERN
i
The spray pattern can be adjusted to suit the
object being sprayed by using the air adjustment
knob. The illustration below shows how the air
adjustment knob can control the spray pattern.
Other nozzle sizes can be used to obtain larger or
smaller spraying patterns.
Rear of gun
Knob fully
open
Knob fully
closed