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Symptom Possible Cause(s) Corrective Action
Poor spray pattern –
tails, bursts of material,
splotches in pattern
1. Thin, mix and strain all materi-
al.
2. Clean or replace spray tip.
3. Remove and clean or replace
inlet and/or outlet valve.
4. Turn lever clockwise to increase
pressure to gun.
5. Clean or replace suction filter.
6. a.Remove gun filter.
b.Check for debris in filter hous-
ing.
c.If debris is found, force water
through gun while filter is
still removed.
d. Replace filter.
7. Replace with smaller tip size.
8. Turn spray tip to spray position.
Troubleshooting Chart (Cont.)
1. Material too thick or not
strained.
2. Spray tip dirty, worn or defective.
3. Dirty or worn inlet or outlet
valve.
4. Pressure is adjusted too low for
material being sprayed.
5. Clogged suction filter.
6. Clogged gun filter.
7. Tip is too large for material
being sprayed.
8. Spray tip in clean position.
To remove trash that has been caught in the valves, the
unit can be force fed. With pump on and prime/spray knob
turned to “prime” position, pour the appropriate solvent
into the suction tube and then fold hose as shown. While
firmly squeezing the suction tube, slide hand down toward
the pump and repeat until pump primes.*
*
This procedure will only work if the inlet valve is free.
“Force Feeding” Pump
EZ5000 Series
To Free a Stuck Inlet
Using either a screwdriver or your
finger, push where shown in picture
at right until inlet moves back and
forth freely.
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