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Solo Sprayers > Solo Sprayer Parts > Solo Portable Sprayer Troubleshooting Guide

Solo Portable Sprayer Troubleshooting Guide

Difficulty in moving pump handle dirty cylinder wall remove piston, clean and
O-ring on piston swollen
(not cleaned properly)
replace O-ring
no lube on piston/cylinder lubricate with heavy
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Low pressure & resistance during pumping damaged O-ring in
pressure relief valve
replace O-ring
worn or damaged O-ring
on piston
replace O-ring
tank cap not tight tighten cap
no lube on piston cylinder lubricate piston, O-ring and
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Leaks from end of spray wand worn or damaged O-ring
in shut-off valve
rebuild shut-off valve
Leaks from inside cylinder worn or damaged umbrella
valve at bottom of cylinder
replace umbrella valve
Leaks under cap damaged or missing gasket replace gasket
screw cap not tight tighten tank cap
Leaks from shut-off valve worn, damaged or loose
fittings, lack of lubrication
tighten fittings and replace
worn parts, disassemble and
lubricate O-rings
Leaks from hose worn, damaged or loose
tighten fittings and replace
worn parts
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Pressure relief valve sticks lack of lubrication or
contaminated relief valve
clean and lubricate pressure
relief valve
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Air leak - air coming out between the two halves of the pump support tank cap not tight tighten tank cap
gasket twisted or lacking
straighten gasket and lubricate
with grease
tank lip damaged repair or replace tank
Note: Always wear rubber gloves, safety goggles and appropriate protective clothing when repairing a sprayer. Work in well ventilated area. Prior to repair, flush unit with water by filling, then spraying the water into an appropriate container or area. Ensure that all pressure is released by locking the shut-off valve in the open position. Once a repair is completed, fill the unit with clean water, pressurize, and check for leaks. If the sprayer leaks, Do Not Use. Repair leaks and recheck.

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