Troubleshooting
313381L
31
Pump does not prime.
Prime/Spray Valve is in SPRAY
position.
Turn Prime/Spray Valve to
PRIME position (pointing down).
Inlet screen is clogged or suction
tube is not immersed.
Clean debris off inlet screen and
make sure suction tube is
immersed in fluid.
Pump was not primed with
flushing fluid.
Remove suction tube from paint.
Prime pump with water or
solvent-based flushing fluid, page
18.
Inlet valve check ball is stuck.
Remove suction tube and place a
pencil into the inlet section to dis-
lodge the ball, allowing pump to
prime properly. OR Power Flush
sprayer, page 25.
Inlet valve check ball or seat is
dirty
Remove inlet fitting. Clean or
replace ball and seat.
Outlet valve check ball is stuck.
Remove outlet fitting and clean
outlet check ball.
Suction tube is leaking.
Tighten suction tube connection.
Inspect for cracks or vacuum
leaks.
Pump does not prime with fluid.
Remove suction tube from paint.
Prime pump with water or sol-
vent-based flushing fluid.
Fluids are viscous or sticky.
Some fluids may prime faster if
the Power Switch is momentarily
turned off so the pump can slow
and stop. Repeat several times if
necessary.
Pump cycles but does not build
up pressure.
Pump is not primed.
Prime pump.
Inlet screen is clogged .
Clean debris off inlet screen and
make sure suction tube is
immersed in fluid.
Suction tube is not immersed in
paint.
Make sure suction tube is
immersed in paint.
Suction tube is leaking.
Tighten suction tube connection.
Inspect for cracks or vacuum
leaks. If cracked or damaged,
replace suction tube.
Prime/Spray Valve is worn or
obstructed with debris.
Take sprayer to an authorized
service center.*
Pump check ball is stuck.
Read
Pump does not prime
sec-
tion in Troubleshooting, page 31.
Problem
Cause
Solution
Summary of Contents for Tradeworks 150
Page 35: ...Notes 313381L 35 Notes ...