Spray Adjustments
18 312065V
Pressure Arrow Keys
Press or to adjust fluid pressure when
motor is ON. Setpoint displays for 10 sec.
When motor is OFF, pressing will enter jog
mode. To exit jog mode, press until display
shows dashes or current pressure.
Pressure/Cycle Display
Shows fluid pressure or cycle count, depending on
mode selected.
Displays J 1 through J 10 when in jog mode, page 33.
Spray Adjustments
Flow rate, atomization, and amount of overspray are
affected by four variables.
• Fluid pressure setting. Too little pressure results
in an uneven pattern, coarse droplet size, low flow,
and poor mixing. Too much pressure results in
excessive overspray, high flow rates, difficult
control, and excessive wear.
• Fluid temperature. Similar effects to fluid pressure
setting. The A and B temperatures can be offset to
help balance the fluid pressure.
• Mix chamber size. Choice of mix chamber is based
on desired flow rate and fluid viscosity.
• Clean-off air adjustment. Too little clean-off air
results in droplets building up on the front of the
nozzle, and no pattern containment to control
overspray. Too much clean-off air results in
air-assisted atomization and excessive overspray.
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