Troubleshooting - Smith Performance Sprayers S103EX Manual De Uso Y Cuidado

ZL Shut-off Maintenance (Repair Kit)
Always depressurize sprayer before maintenance by activating shut-off
and spraying contents out.
1. Unscrew the handle from the shut-off assembly.
2. Remove the fi lter from the shut-off assembly and clean with cool clean water.
3. Unscrew valve cap and remove valve stem components and seals as
shown. Clean components with cool clean water.
4. Clean any debris from inside the handle and shut-off body. Check for
any wear of o-rings or seals and replace as necessary.
5. Reassemble the components as shown and tighten the handle and valve
cap securely.
TROUBLE
Sprayer leaks at pump or
sprayer does not build
pressure.
Sprayer material over-
fl ows through pump
barrel or pump handle
rises when handle is
unlocked.
Hose leaks at tank or
shut-off .
Sprayer is diffi cult to
pump.
Sprayer tank leaks.
Nozzle drips when shut-
off lever is released.
Nozzle tip leaks, poor
spray pattern, partial
spray or complete stop-
page.
MAINTENANCE CONTINUED

TROUBLESHOOTING

LOOK FOR
1. Dirt or debris on tank cover
o-ring. (#3H).
2. Chipped, torn, swollen, or
defective tank cover o-ring (3H).
3. Check valve (#3S) at bottom of
pump assembly.
4. Worn or damaged o-ring (#3L)
on piston.
1. Dirt or debris under check
valve (#3S) on pump.
2. Chipped, torn, or swollen
pump check valve (#3S).
1. Loose hose at tank.
2. Cracked, swollen, or faulty hose.
3. Loose hose at shut-off .
1. Damaged piston o-ring (#3L)
2. Piston o-ring (#3L) is dry.
Evidence of spray material
escaping from the tank.
1. Dirt or debris in shut-off valve.
2. Damaged o-rings or seals in
shut-off (Kit #11).
1. Spray extension or nozzle
clogged.
2. Dirty or clogged nozzle tip.
REMEDY
1. Clean dirt or debris from o-ring (#3H) or
closure.
2. Remove old o-ring (#3H) 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 (#3S) and valve sealing
surface on pump.
2. Replace check valve (#3S) as described
in Pump Disassembly & Reassembly section.
1. Tighten hose nut at tank.
2. Replace hose.
3. Tighten hose at shut-off .
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. Clean shut-off as described in Shut-off
Maintenance section.
2. Service shut-off seals as described in
Maintenance service (Kit #11).
1. Remove nozzle and clean as described in
Nozzle Maintenance section.
2. Clean the nozzle tip with a soft brush.
Filter
O-rings & Seals
Page 7