Page 7
TROUBLESHOOTING
TROUBLE
LOOK FOR
REMEDY
Sprayer will not build
pressure.
1. Piston Seal (#34E) on pump
piston is worn or damaged.
2. Pump Cylinder Washer (#34B)
may be dirty or damaged.
1. Replace Piston Seal (#34E).
2. Flush pump with clean water to
remove any debris from the Pump
Cylinder Washer (#34B) or replace.
Sprayer leaks from the
bottom of tank.
1. Piston Seal (#34E) may
be worn or damaged.
2. Damaged or worn o-ring(s).
1. Inspect and lubricate Piston Seal
(#34E). If damaged, replace.
2. Lubricate or replace o-ring(s).
Sprayer will not spray.
Shut-Off Nozzle is clogged.
Clean Shut-Off or Nozzle as
described in
Maintenance
Section.
Pump handle is difficult to
operate.
1. Swollen or damaged Piston Seal
(#34E).
2. Dirty Drive Shaft Bushing (#9).
1. Clean and lubricate Piston Seal
(#34E) and Pump Cylinder (#6)
with petroleum jelly or replace.
2. Lubricate Bushing (#9) with
petroleum jelly.
Sprayer builds too much
resistance after just a few
pump strokes and only
maintains pressure briefly.
Little to no air in the Pressure
Cylinder (#5).
Holding shut-off below tank, drain
Pressure Cylinder (#5) by activating
lever on shut-off until all liquid is
expelled.
Increased resistance when
pulling pump handle up or
handle moves down on its
own.
1. Pump Cylinder Washer (#34B) is
sticking.
2. Check Valve (#34F) hole is
clogged.
3. Filter in Pressure Cylinder (#5)
is clogged.
1. Clean or replace Pump Cylinder
Washer (#34B).
2. Clean Check Valve (#34F)
3. Clean permanent filter within
Pressure Cylinder (#5).