Wagner SprayTech 840i - Manual (Page 13)

© Titan Tool Inc. All rights reserved. 13
Troubleshooting
Problem
Excessive surge at the spray
gun.
Poor spray pattern.
The unit lacks power.
Cause
1. Wrong type of airless spray hose.
2. The spray tip worn or too large.
3. Excessive pressure.
1. The spray tip is too large for the
material being used.
2. Incorrect pressure setting.
3. Insufficient fluid delivery.
4. The material being sprayed is too
viscous.
1. The pressure adjustment is too low.
2. Improper voltage supply.
Solution
1. Replace hose with a minimum of 5m (50’) x
10mm (1/4”) grounded textile braid airless
paint spray hose.
2. Replace the spray tip following the
instructions that came with the spray gun.
3. Rotate the pressure control knob
counterclockwise to decrease spray
pressure.
1. Replace the spray tip with a new or smaller
spray tip following the instructions that
came with the spray gun.
2. Rotate the pressure control knob to adjust
the pressure for a proper spray pattern.
3. Clean all screens and filters.
4. Add solvent to the material according to the
manufacturer's recommendations.
1. Rotate the pressure control knob clockwise
to increase the pressure setting.
2. Connect the input voltage to the proper
voltage for the unit.