Troubleshooting
310810S 35
Troubleshooting
PROBLEM CAUSE SOLUTION
Gas engine does not star t No gasoline Fill gasoline tank. Consult engine manual,
supplied
Gas engine doesn't work properly Faulty engine Consult engine manual
Elevation (above 5000 ft) Carburetor needs modification. Consult engine
manual
Gas engine operates, but displacement pump
does not operate
Dried paint, seized pump rod Service pump. See manual 309053
New pump, new pump packings and/or low
engine speed.
Squeeze spray gun control, to momentarily
increase engine speed
Displacement pump operates, but output is low Pump ball checks not seating properly. Service ball checks. See manual 309053
Piston packings worn or damaged. Tighten packing nut or replace packings.
See manual 309053
Displacement pump outlet filter (if used) is dirty
or clogged
Clean filter
Suction tube to pump inlet is not tight Tighten
Worn prime valve Replace
Paint leaks and runs over side of wetcup Loose wet-cup Tighten wet-cup enough to stop leakage
Throat packings worn or damaged Replace packings. See manual 309060
The engine overheats Paint buildup on engine components Clean
Oil level is low Fill with oil. See page 17
Spitting from gun Air in fluid pump or hose Check for loose connections on siphon
assembly, tighten, then reprime pump
Loose intake suction Tighten
Fluid supply is low or empty Refill supply container
Cannot achieve a good line Cold weather Warm paint or thin with water
Paint too thick Thin as necessary
Bumpy turf Use spray shields
Worn tip Replace tip
Wrong tip size See tip selection chart
Sprayer will not prime Inlet ball stuck Tap pump with hammer handle to loosen ball
Store sprayer with Pump Aromor in pump
Pump not cycling Increase engine spped
Poor starting spray pattern Worn prime valve Replace prime valve
High speed on engine set too low Increase engine speed. See page 52
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