Magnum 261805 Operation Manual - page 24
Troubleshooting
24
312082B
Spray gun stopped spraying.
Spray tip is clogged.
Unclog spray tip, page 11.
Pump cycles but does not build up
pressure.
Pump is not primed.
Prime pump.
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.
Paint pail is empty.
Refill paint pail. Reprime sprayer.
Suction tube is leaking.
Tighten Suction tube connection. Inspect
for cracks or vacuum leaks. If cracked or
damaged, replace Suction tube.
AllControl is worn or obstructed with
debris.
Take sprayer to Graco/M
AGNUM
authorized service center.
Pump check ball is stuck.
Read Pump does not prime section in
Troubleshooting, page 23
Pump cycles, but paint only dribbles or
spurts when spray gun is triggered.
Pressure is set too low.
Slowly turn AllControl clockwise to
increase pressure setting which will turn
on motor to build pressure.
Spray tip is clogged.
Unclog spray tip, page 11.
Spray gun fluid filter is clogged.
Clean or replace gun fluid filter.
Spray tip is too large or worn.
Replace tip.
Spray pattern is inconsistent or is leaving
stripes.
Pressure is set too low.
Turn AllControl clockwise, to increase
pressure.
Spray tip is worn beyond capability of
sprayer.
Replace spray tip.
Pressure is set at maximum but cannot
achieve a good spray pattern.
Spray tip is too large for sprayer.
Select smaller spray tip.
Spray tip is worn beyond capability of
sprayer.
Replace spray tip.
Extension cord is too long or not heavy
enough gauge.
Replace extension cord. Grounding and
Electrical Requirements, page 4.
Spray gun fluid filter is clogged.
Clean or replace spray gun fluid filter.
Inlet screen is clogged.
Clean debris off inlet screen.
Pump valves are worn.
Check for worn pump valves.
a.
Prime sprayer with paint
b.
Trigger gun momentarily. When
trigger is released, pump should
cycle momentarily and stop. If
pump continues to cycle, pump
valves may be worn.
Material is too thick.
Thin material.
Hose is too long (if extra section is
added).
Remove section of hose.
When paint is sprayed, it runs down the
wall or sags.
Coat is going on too thick.
Move gun faster.
Choose a tip with smaller hole size.
Choose tip with wider fan.
Make sure gun is far enough from
surface.
When paint is sprayed, coat is not
covering.
Coat is going on too thin.
Move gun slower.
Choose tip with larger hole size.
Choose tip with narrower fan.
Make sure gun is close enough to
surface.
Problem
Cause
Solution