Trouble Shooting Guide
Hose clamps are not completely tight. Please
tighten hose clamps prior to use. Hose clamps
are left loose to extend the life of o-rings and
fittings.
Lubricate all moveable rubber pieces with Silicone
Grease (o-rings, seals, spindle in gun, piston cup
(when applicable). Keep breather hole in lid clear
of debris. Lubricating the seals and keeping the
breather hole open allows air into the tank. Without
airflow, the tank may collapse and crack due to a
vacuum created by the pump.
If your sprayer won’t pressurize:
1) The seals, o-rings, & piston cup (where applicable) need
to be lubricated with Silicone Grease. If cracked or
worn due to wear and tear or chemical attack, they
need to be replaced.
2) The pressure chamber o-ring is not seated properly. It
needs to be properly aligned or lubricated. If cracked
or worn, it needs to be replaced.
3) There is water in the pressure chamber. This can
happen if your sprayer gets knocked over. To
release the water from the pressure chamber,
simply lift the sprayer over your head while
depressing the spray gun trigger. This will allow
the water in the pressure chamber to come out.
Repeat this procedure 3-4 times to empty water
in the pressure chamber completely.
If your sprayer leaks from the bottom:
1) The 90° elbow is cracked due to wear and tear. It
needs to be replaced
2) The pressure chamber o-ring is not seated properly. It
needs to be properly aligned or lubricated. If cracked
or worn, it needs to be replaced.
3) The seals, o-rings, & piston cup (where applicable) need
to be lubricated with Silicone Grease. If cracked or
worn due to wear and tear or chemical attack, they
need to be replaced.
US-9
If your sprayer leaks from the top:
1) Check the o-ring seal in your lid to see if it is seated
properly or if it needs to be lubricated. If cracked or
worn due to wear and tear or chemical attack, it
needs to be replaced.
3) Your check valve (breather hole) may be clogged or
blocked by debris. Clear away any excess debris
and lubricate the check valve. Keeping the check
valve (breather hole) open allows air into the tank.
Without airflow, the tank may collapse and crack
due to a vacuum created by the pump
3) You may have overfilled your sprayer. Check the
liquid level in your sprayer.
4) Never bend over when you have a sprayer full of
chemical on your back. Since there is a breather
hole in the lid, liquid from your sprayer may leak
out. In case of personal contamination: remove
contaminated clothing, remain upright, do not
consume liquids or cause vomiting, and get
professional help immediately.
If your spray gun’s trigger is sticking:
1) Check the spindle and o-rings inside the gun to
see if they need to be lubricated or replaced due
to wear and tear or chemical attack.
2) Check the spring in the gun to see if it is damaged
due to wear and tear or chemical attack, replace
if necessary
If your nozzle is clogged:
1) Remove the nozzle from your spray wand. Rinse
and clean out the nozzle with water to clear the
debris.
2) If unable to remove the debris, try using an air
compressor (if available) to remove the debris
blocking the nozzle
3) If the nozzle is damaged from wear and tear,
chemical attack, or abuse it needs to be replaced.
Never smack your nozzle on the ground to remove
a clog. This damages the nozzle body and is not
warrantable
Silicone Grease is the only recommended lubricant for SP Systems sprayers. Do not use any
petrolium based lubricants or WD-40, as they will damage the o-rings and seals of your sprayer.
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