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*Call AAA Rent-All at 225-291-1356 for assistance ordering parts*
Problem
Pump does not prime.
Pump cycles but does not build up
pressure.
Pump cycles, but paint only dribbles
or spurts when spray gun is
triggered.
3A0248E
Cause
Inlet valve check ball is stuck.
Inlet valve check ball or seat is dirty.
Outlet valve check ball is stuck.
Suction tube is not immersed
Suction tube is leaking.
Pump does not prime with fluid.
Debris in paint
Pump is not primed.
Inlet screen is clogged.
Suction tube is not immersed in
paint.
Paint pail is empty.
Suction tube is leaking.
Prime/Spray Valve is worn or
obstructed with debris.
Pump check ball is stuck.
Pressure is set too low.
Spray tip is clogged.
Spray gun fluid filter is clogged.
Spray tip is too large or worn.
Troubleshooting
Solution
Remove suction tube and place a
pencil into the inlet section to
dislodge the ball, allowing pump to
prime properly. OR Power Flush
sprayer (see Operation manual).
Remove inlet housing. Clean or
replace ball and seat.
Unscrew outlet valve with a 3/4 in.
socket. Remove and clean assembly.
Make sure suction tube is immersed
in paint.
Tighten suction tube connection.
Inspect for cracks or vacuum leaks.
Remove suction tube from paint.
Prime pump with water or
solvent-based flushing fluid.
Strain the paint, page 11.
Prime pump.
Clean debris off inlet screen and
make sure suction tube is immersed
in fluid.
Make sure suction tube is immersed
in paint.
Refill hopper or paint pail. Reprime
sprayer.
Inlet tube fitting improperly or not
securely attached.
Take sprayer to authorized service
center.*
Read Pump does not prime section
above.
Turn Pressure Control Knob
clockwise to increase pressure
setting which will turn on motor to
build pressure.
Unclog spray tip.
Clean or replace gun fluid filter.
Replace spray tip.
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