FMT7890
Instruction Manual
Fast Mover Tools Ltd
T: 01582 661993 F: 01582 667100 E: sales@fastmovertoolsuk.com
W: www.fastmovertoolsuk.com
Trouble Shooting
Problem
Cause(s)
Solution(s)
Gun is leaking from fluid
1 Fluid nozzle loose
1 Tighten fluid nozzle
nozzle
2 Foreign particles or dried
2 Remove and clean nozzle
paint stopping the needle
seating.
Gun is leaking from needle
Teflon packing is damaged
Replace Teflon packing
sealing area
or missing
Paint sputters from gun
1 Not enough materials in cup 1 Refill cup
2 Material not filtered
2 Fit filter in cup
3 Fluid nozzle loose
3 Tighten
4 Needle packing damaged
4 Replace packing
5 Needle and nozzle dirty
5 Clean all components thoroughly
Incorrect atomization
Inlet air pressure too low or
Adjust air pressure and/or material
material too thick, air
viscosity.
pressure too high or material
too thin.
Crescent spray pattern
Paint buildup on air cap
Remove obstructions from horn holes,
partially blocks horn holes,
clean thoroughly
causing air pressure
differences
Inclined spray pattern
1 Paint buildup on air cap
1 Remove obstructions from horn
partially blocks horn holes
holes, clean thoroughly or replace
or air cap centre hole, or
if damaged
causes damage
2 Loose fluid nozzle
2 Tighten having first cleaned area
Split spray pattern
1 Paint viscosity too low
1 Adjust viscosity of paint
2 Fluid output too high
2 Adjust fluid or pattern knobs
Heavy centre spray pattern
1 Paint viscosity too high
1 Adjust viscosity of paint
2 Fluid output too low
2 Increase fluid output
