Publicidad
Problem
Power switch is on and sprayer is
plugged in but pump does not cycle.
Pump cycles but pressure does not
build up.
Cannot pull gun trigger.
Gun stops spraying.
Pump cycles but paint only dribbles or
spurts when trigger is pulled.
3X9470C
Cause
Paint frozen or hardened in pump.
Pump not primed.
Inlet screen clogged.
Suction tube not immersed.
Paint pail empty.
Suction tube has vacuum air leak.
Pump check valves are dirty or
damaged.
Prime/Spray valve worn or obstructed
with debris.
Pump check ball stuck.
Gun trigger safety engaged.
Spray tip clogged.
Pressure is set too low.
Spray tip clogged.
Spray tip too large or worn.
Gun filter clogged.
Pump check ball stuck
Solution
Unplug sprayer from electrical outlet.
If paint if frozen in sprayer:
Do NOT try to start frozen sprayer. Thaw completely or you
may damage motor, control board and/or drivetrain.
1 Turn OFF power switch.
2 Place sprayer in warm area for several hours.
3 Plug in and turn on sprayer.
4 Slowly increase pressure until motor starts.
If paint hardened in sprayer:
1 Replace pump packings.
2 Remove all residue from valves.
Prime pump, page 16.
Clean debris off inlet screen
Reposition suction tube in bottom of paint pail.
Refill paint pail and reprime sprayer.
Tighten suction tube connection. Inspect for cracks or vacuum
leaks. If cracked or damaged, replace.
Return sprayer to Graco/M
AGNUM
See "Pump will not prime" section of Troubleshooting table,
page 48.
Remove gun trigger safety.
1 Turn arrow-shaped handle to unclog position.
2 Aim gun into waste pail.
3 Squeeze trigger.
4 Return arrow-shaped handle to spray position and
begin spraying.
Turn pressure control knob right to increase pressure.
Clean tip. See "Gun stops spraying" section of Troubleshooting
table, page 48.
Replace tip.
Clean or replace gun filter, page 40.
See "Pump will not prime" section of Troubleshooting table,
page 48.
Troubleshooting
authorized service center.
49
Publicidad
