Product Manual

7
Foam/dirty solution coming
out of vacuum exhaust port.
1. Foam bypassing water
shutoff.
2. Elbow in vacuum tank is not
positioned correctly.
1. Use additional defoamer.
2. The elbow should be
pointed directly at the side
wall of the tank away from the
ball type shutoff.
PROBLEM POSSIBLE CAUSE SOLUTION
Pump motor runs but no spray
through jets.
1. Clogged or faulty solution
control valve.
2. Clogged or faulty quick
disconnect on housing.
3. Punctured pump diaphragm.
4. Clogged jets
1. Check intake on valve and
remove lint or other foreign
material.
2. Depress plunger on solution
hose against inside wall of
solution tank. If solution is
flowing at this point, the
system is OK If no solution
flows, check the quick
disconnect for lint and other
foreign matter.
3. Replace with diaphragm
repair kit.
4. Clean jets on wand or tool.
Uneven spray from jet. Spray
weak or uneven.
1. Clogged strainer in solution
tank.
2. Clogged jet.
1. Unscrew strainer and
remove lint and any other
foreign material from screen.
2. Remove and clean.
Leaking or stuck solution
valve.
1. Foreign material in valve.
2. Loose brass hex nut.
3. Valve or seals worn
1. Remove brass hex plug,
clean valve and replace.
2. Reseal hex and plug.
3. Replace worn parts with
solution valve repair kit.
Pump motor not working. 1. Loose wiring
2. Defective pump pressure
switch.
3. Motor burnout
1. Tighten wiring
2. Replace with new pressure
switch assembly.
3. Replace pump motor
Pump pressure low 1. Clogged screens on strainer
in solution tank.
2. Punctured pump diaphragm.
3. Pump not primed
1. Unscrew strainer remove lint
and any other foreign material
from screen.
2. Replace with diaphragm
repair kit.
3. Plug priming hose into
solution connection and place
end in solution tank. Run
pump for 4 minutes.
Pump pressure varies. 1. Worn carbon brushes.
2. Defective pump pressure
control switch.
1. Replace brushes.
2. Replace.