Improper throttle adjustment.
Adjust throttle to set desired vacuum
Inspect hoses for obstructions.
Vacuum relief valve requires
Readjust the vacuum relief valve.
The strainer at the inlet end of
Unclog the strainer. If damaged,
the chemical inlet line is
Suction leak in the inlet line
Inspect inlet lines and flow meter for
air leaks or damage and replace, if
Chemical container is empty.
Refill container, then prime system
Chemical metering valve is
Defective cylinder in the water
Measure the pump volume. If the pump
volume is less than normal, refer to
"Loss of Pump Volume" in the
Troubleshooting section in this manual.
External leak in chemical
Tighten fittings. Re-apply thread
sealant where required. If any fittings
Defective electrical connection
Examine switch, electrical connections,
and wiring. Repair any defective
connections. If there is power going to
the switch but not going out, replace
Turn solution pump switch to on.
Defective water pump clutch.
If there is power in the switch, but not
power at the clutch, replace the
manually set by inserting two
defective wire. If there is power at the
1/4 x 20 x 1/2 bolts. Line up
clutch, replace the defective switch.
the holes on the clutch and
insert the bolts. To disengage
the pump, remove the bolts.
Loose or broken water pump
Tighten or replace belts.