4
Note: Always wear rubber gloves, safety goggles and appropriate protective clothing when repairing a sprayer.
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 re-check.
SERVICE AND REPAIR SECTION
HANDHELD SPRAYER TROUBLE SHOOTING GUIDE
ACCESSORIES:
The following accessories are not standard. Order them from your Solo dealer.
Pressure control gauge (#49 00 322):
displays spraying pressure so operator
can maintain desired pressure level.
Pressure limiting valve (#49 00 183):
limits pressure to 5 psi, 10 psi or
15 psi as needed for low pressure
applications.
Brass adjustable spray nozzle
(#06 10 410-P): affords operator a full
range of sprays from fine to jet stream.
Drift guard (#49 00 430):
helps control application of formula
under breezy conditions.
2-nozzle spray boom (#49 00 514): handheld
spray boom mounts on end of spray wand
(total width 33”; distance between nozzles 24”).
Includes 2 flat spray nozzles.
Double nozzle (#49 00 477): this is a multi-
purpose nozzle that attaches to the end of the
spray wand for double row application.
Brass spray wand (#49 00 528): The 2 pcs
spray wand is 60” (150 cm) long and replaces the
standard spray tube for treating trees up to heights
of 16 ft. (5 meters). Additional extension tube
available in 20” length (#49 00 513).
Controlled Flow Valve (CFValve™): Provides
constant pressure and flow to the spray nozzle
and can be used in various applications.
Difficulty in moving pump handle • dirty cylinder wall • remove piston, clean, grease and replace
• O-ring on piston swollen (not cleaned properly) • replace O-ring, grease
Low pressure & resistance during pumping • No lube on piston/cylinder • lubricate with heavy grease
• Chemical in cylinder • Replace umbrella valve
•
Damaged O-ring in pressure relief valve • replace O-ring
• worm or damaged O-ring in shut-off valve • replace O-ring
• tank cap not tight • tighten cap
Leaks from end of spray wand • worn or damaged O-ring in shut-off valve • rebuild shut-off valve
Leaks from inside cylinder • no lube on piston cylinder • lubricate piston, O-ring and cylinder
Leaks under cap • worn or damaged umbrella valve • replace umbrella valve
at bottom of cylinder
Leaks from shut-off valve • damaged or missing gasket • replace gasket
Leaks from hose • screw cap not tight • tighten tank cap
Pressure relief valve sticks • worn, damaged or loose fittings, • tighten fittings and replace
lack of lubrication worn parts, disassemble and
lubricate O-rings
Air leak - air coming out between • worn, damaged or loose fittings • tighten fittings and the two.......
halves of the pump support replace worn parts
• lack of lubrication or contaminated • clean and lubricate pressure
relief valve relief valve assembly
• tank cap not tight • tighten tank cap
• gasket twisted or lacking lubrication • straighten gasket and
lubricate with grease
• tank lip damaged • repair or replace tank
PROBLEM CAUSE SOLUTION
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