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| Problem | Possible Issue | Possible Solution |
|---|---|---|
| Sprayer won’t pump material | lower intake valve is plugged prime/spray valve is plugged suction system is drawing air inlet screen is plugged manifold filter or gun filter is plugged airlock in outlet valve |
remove and clean out intake valve open and close valve while flushing unit tighten all fittings clean or replace screen clean or replace filter take in for service |
| Inconsistent Pressure | worn tip, or tip too large for sprayer clogged filters or screens intake valve plugged intake ball is worn paint around throat seal area material too heavy for sprayer inadequate power supply sprayer not suitable for material packings/rod/cylinder are worn suction assembly is loose |
replace tip clean or replace filters/screens clean intake valve replace intake ball worn /damaged packings – take in for service thin material as per label recommendation use heavier gauge cord use suitable sprayer take in for service |
| Fluid leaking from top of suction valve | o-ring on bottom of cylinder is damaged | replace o-ring |
| Fluid leaking from top of piston | packings need to be adjusted packings and/or piston rod worn |
adjust packings replace worn parts |
| Gun spits at end of spray pass | paint is setting up between ball and seat (latex paint) | flush unit thoroughly to clean gun, use flotrol and thin paint |
| Gun leaks when not being triggered | worn ball or seat | replace with gun repair kit |
| Tip keeps plugging up | tip orifice is too small gun filter is plugged paint is dirty |
install tip with a bigger orifice clean or replace gun filter strain product, clean gun filter |
| Poor spray pattern | tip is too large, or worn out tip is plugged pressure set too low gun filter is plugged product is too thick sprayer is too small for product being sprayed |
use correct tip size clear tip turn up pressure clean or replace gun filter thin product as per label directions use a sprayer that will handle the tip recommended for product |
| Gun will not spray | tip is plugged gun filter or inline filter is plugged trigger lock is on |
reverse tip and clean out clean or replace gun filter or inline filter take trigger lock off |
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