Graco 16W119, Операция

Страница: 27 / 32

Troubleshooting
332643B 27
Pump does not prime. Prime/Spray Valve is in SPRAY
position. Move Prime/Spray Valve to PRIME posi-
tion.
Inlet screen is clogged or suction
tube is not immersed in fluid. 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 flush-
ing fluid, page 12.
Inlet valve check ball is stuck. Remove suction tube and place a pencil
into the inlet section to dislodge the ball,
or Power Flush sprayer, page 20.
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 solvent-based flush-
ing 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 Graco/M
AGNUM
autho-
rized service center.
Pump check ball is stuck. Read Pump does not prime section in
Troubleshooting, page 27
Problem Cause Solution