Troubleshooting - Smith Deck Use And Care Manual

High-Performance Foaming Nozzle Maintenance
1. Unclip both sides of front cap and pull forward. (See Figure 6)
2. Rinse to remove any debris from screen.
3. Slide front cap over nozzle body and back into place. Both sides of front cap must
snap into place. (See Figure 7)
TROUBLE
Sprayer starts to spray when
pumping or sprayer will not
stop spraying when shut-off
lever is released.
Sprayer leaks at pump or
sprayer does not build
pressure.
Sprayer material overflows
through pump barrel or pump
handle rises when handle is
unlocked.
Hose leaks at tank or shut-off.
Sprayer is difficult to pump.
Sprayer tank leaks.
Nozzle drips when shut-off
lever is released.
Nozzle tip leaks, poor spray
pattern, partial spray or
complete stoppage.
MAINTENANCE CONTINUED
Figure 6

TROUBLESHOOTING

LOOK FOR
Shut-off lock is engaged.
1. Dirt or debris on pump gasket
(#3E) or closure.
2. Chipped, torn, swollen, or
defective pump gasket (#3E).
3. Check valve (#3F) at bottom of
pump assembly.
4. Worn or damaged o-ring (#3C)
on piston.
1. Dirt or debris under check
valve (#3F) on pump.
2. Chipped, torn, or swollen
pump check valve (#3F).
1. Loose hose.
2. Cracked, swollen, or faulty
hose.
1. Damaged piston o-ring (#3C).
2. Piston o-ring (#3C) is dry.
Evidence of spray material
escaping from the tank.
Dirt or debris in shut-off valve.
1. O-ring is missing or damaged.
2. Spray extension or nozzle
clogged.
Figure 7
REMEDY
Squeeze shut-off lever and slide the
lock away from the nozzle as described
in Spraying and Locking section.
1. Clean dirt or debris from gasket
(#3E) or closure.
2. Remove old gasket (#3E) 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.
1. Clean check valve (#3F) and valve
sealing surface on pump.
2. Replace check valve (#3F) as
described in Pump Disassembly &
Reassembly section.
1. Tighten hose nut.
2. Replace shut-off assembly.
1. Replace piston o-ring as described in
Pump Disassembly & Reassembly
section.
2. Lubricate piston o-ring as described
in Pump Disassembly & Reassembly
section.
Replace entire sprayer.
1. Replace shut-off assembly.
2. Service shut-off seals as described in
Shut-off Maintenance section.
1. Replace o-ring at extension tip.
2. Remove and clean the extension and
nozzle as described in Nozzle
Maintenance section.
Page 9