Pressure
Control
knob
2
WARNING
Instructions in this guide are for water-base coatings. Read
Fire and Explosion Hazard on enclosed WARNINGS sheet.
To prevent injury and equipment damage and to maximize sprayer
performance, read all Warnings, Cautions, and procedures in enclosed
Operating Instructions.
Required Tools and Accessories
n
Two 8-in. (20 cm) adjustable wrenches
n
Strainer bag to strain paint before it is sprayed
n
Drop cloths, spray shield, and other site preparation supplies
n
Respirator and safety glasses
n
Paint pail for coating to be sprayed
n
Waste pail to catch drainage during priming
n
Garden hose for flushing with Power Flush
t
attachment
n
Pump Armor
t
or mineral spirits/paint thinner for sprayer storage
(M
AGNUM
XR5 shown)
suction tube
prime tube
inlet screen
power switch
Power Flush
attachment
InstaClean
t
filter
airless spray gun
(see gun filters on
page 14)
System Components
Spray/Prime valve
Basic Troubleshooting
Resolving Common Airless Sprayer Difficulties
For detailed troubleshooting, see enclosed Operating Instructions.
Problem
Cause
Solution
Power switch is ON and
sprayer is plugged in, but
pump does not cycle.
Pressure is set at
minimum.
Turn Pressure Control knob to
the right (clockwise) to increase
pressure.
Cannot pull gun trigger.
Trigger safety is in
SAFETY ON position.
Put trigger safety in SAFETY
OFF position.
Pump will not prime.
Spray/Prime valve is
at SPRAY.
Turn Spray/Prime valve to
PRIME (pointing down).
Inlet screen is
clogged, or suction
tube is not immersed.
Clean debris off inlet screen.
Make sure suction tube is at
bottom of paint pail.
Inlet valve check ball
is stuck.
Lightly tap inlet valve with small
wrench to jar the ball loose.
See figure at left.
Gun stopped spraying.
Tip is clogged.
See Reversible Tips on page 7.
Pump cycles but does not
build up pressure.
Pump is not primed.
See Priming on page 4.
Inlet screen is
clogged, or suction
tube is not immersed.
Clean debris off inlet screen.
Make sure suction tube is at
bottom of paint pail.
Paint pail is empty.
Refill paint pail, and reprime
sprayer.
Suction tube has
vacuum air leak.
Tighten suction tube connection.
Pump cycles, but paint only
dribbles or spurts when gun
trigger is pulled.
Pressure is set too
low.
Turn Pressure Control knob to
the right (clockwise) to increase
pressure.
Tip is clogged.
Clear tip. See Reversible Tips
on page 7.
InstaClean filter is
clogged.
Clean InstaClean filter. See
page 15.
Gun filter is clogged.
Clean gun filter. See page 14.
Spray pattern is
inconsistent or is leaving
stripes.
Pressure is set too
low.
Turn Pressure Control knob to
the right (clockwise) to increase
pressure.
Tip is worn beyond
capability of sprayer.
Replace tip.
19
