Page 7
TROUBLE
LOOK FOR
REMEDY
Sprayer starts to spray when
pumping or sprayer will not
stop spraying when shut-off
lever is released.
Shut-off lock is engaged.
Squeeze shut-off lever and rotate the
lock towards the nozzle as described in
Spraying and Locking
section.
Sprayer leaks at pump or spray
-
er does not build pressure.
1. Dirt or debris on pump gasket
or closure.
2. Chipped, torn, swollen, or
defective pump gasket
3. Check valve at bottom of pump
assembly.
4. Worn or damaged o-ring on
piston.
1. Clean dirt or debris from gasket
or closure.
2. Remove old gasket and replace with
new as described in
Pump
Disassembly & Reassembly
section.
3. Replace if missing or damaged as
described in
Pump Disassembly &
Reassembly
section.
4. Replace if worn or damaged as
described in
Pump Disassembly &
Reassembly
section.
Sprayer material overflows
through pump barrel or pump
handle rises when handle
is unlocked.
1. Dirt or debris under check
valve on pump.
2. Chipped, torn, or swollen
pump check valve.
1. Clean check valve and valve sealing
surface on pump.
2. Replace check valve as
described in
Pump Disassembly &
Reassembly
section.
Hose leaks at tank or shut-off.
1. Loose hose.
2. Cracked, swollen, or faulty hose.
1. Tighten hose nut.
2. Replace shut-off assembly.
Sprayer is difficult to pump.
1. Damaged piston o-ring.
2. Piston o-ring is dry.
1. Replace piston o-ring as described in
Pump Disassembly & Reassembly
section.
2. Lubricate piston o-ring as described
in
Pump Disassembly & Reassembly
section.
Sprayer tank leaks.
Evidence of spray material
escaping from the tank.
Replace entire sprayer.
Nozzle drips when shut-off
lever is released.
1. Dirt or debris in shut-off valve.
2. Damaged o-ring or seal in
shut-off (Kit #7).
1. Clean shut-off as described in
Shut-off Maintenance
section.
2. Service shut-off seals as described in
Maintenance service Kit #7.
Nozzle tip leaks, poor spray
pattern, partial spray or com
-
plete stoppage.
1. Flat seal is missing or
damaged.
2. Spray extension or nozzle
clogged.
1. Replace flat seal at extension tip
(Kit #7).
2. Remove nozzle and clean as
described in
Nozzle Maintenance
section.
TROUBLESHOOTING
