Troubleshooting - Anest Iwata SUPERnova LS-400 Manual De Instrucciones

Troubleshooting

Spray Pattern
1. Air enters between fluid nozzle and tapered seat of gun body.
2. Air is drawn from fluid needle packing set..
3. Air enters at fluid container fitting nut or fluid hose joint.
Fluttering
1. Paint buildup on air cap partially clogs horn holes.
Air pressure from both horns differs.
Crescent
1. Paint buildup or damage on fluid nozzle circumference and air cap
center.
nclined
2. Fluid nozzle is not properly fitted.
1. Paint viscosity too low.
Split
2. Fluid output too high.
1. Paint viscosity is too high.
Heavy Center
2. Fluid output is too low.
1. Fluid nozzle and fluid needle set are not seated properly.
2. The first-stage travel of trigger (when only air discharges) decreases.
3. Paint buildup inside air cap set.
Spit
Where it
Problem
occurred
Air leaks
Air valve set
(from tip of air cup)
Fluid nozzle
Paint leaks
Fluid needle
Paint does not flow Tip of gun
Warning
When you reinsert the knob (6) on the adjustment (B), make sure that it is pushed in
until it completely covers the face of the hexagon knob of the adjustment.(Fig2)
Problems
Parts to be checked
Air valve * Dirt or damage on seat
* Dirt or damage on seat
Air valve seat set
* Wear on air valve spring
O ring * Damage or deteriorated
* Dirt, damage, wear on seat
Fluid nozzle fluid needle set * Loose fluid needle adj. knob
* Wear on needle spring
* Insufficient tightening
Fluid nozzle gun body
* Dirt or damage on seat
* Needle does not return due to packing set too tight
Fluid needle packing set
* Needle does not return due to paint buildup on fluid needle
* Wear
Needle packing set needle set
Packing seat * Insufficient tightening
Fluid adj. knob * Insufficient opening
Tip hole of nozzle * Clogged
Paint filter * Clogged
Remedies
1. Remove fluid nozzle to clean seat.
2. Tighten fluid needle packing.
3. Fully tighten joint section.
1. Remove obstructions from horn holes with attached brush.
But do not use metal objects to clean horn holes.
1. Remove obstructions.
Replace if damaged.
2. Remove fluid nozzle and clean seat section.
1. Add paint to increase viscosity.
2. Tighten fluid adj. knob to reduce fluid output.
Or turn pattern adj. valve set clockwise.
1. Add thinner to reduce viscosity.
2. Turn fluid adj. valve knob counter-clockwise to increase fluid output.
1. Clean or replace fluid nozzle and fluid needle set.
2. Replace fluid nozzle and fluid needle set.
3. Clean air cap set.
R1 retighten R2 adjust
Cause
f it is damaged, replace nozzle.
R3 : clean R4 : replace parts
Remedy
R1 R2 R3 R4