Graco Reactor A-XP1 User Manual

Troubleshooting
3A1570V 19
Fluid pressure low or dropping Air supply pressure low when spraying Increase inlet air pressure
Increase air compressor size to meet flow
requirements
Remove airline quick disconnects
Use 3/8 in. (0.95 cm) ID or larger air
supply hose. Use 1/2 in. (12.7 mm) if
longer than 25 ft (7.6 m).
Icing in air motor exhausts or mufflers Check inlet filter water separator; see Air
Inlet Filter / Water Separator (Auto
Drain), page 28. Stop spraying while ice
melts.
Pump output low, but pressure is normal Obstructed gun impingement ports or
filters
Flush and clean gun; see gun manual
One pressure gauge drops when pumps
are stalled on both the upstroke and the
downstroke
Leaking pump throat Repair pump; see 309577
Leak between pump and gun Check fluid tubes, heater, and hoses
Pressure Relief/Spray valve leaking back
to supply
Spray gun is leaking on one side or
plugged on the other side
Clean and repair spray gun
One pressure gauge drops when pumps
are stalled on the downstroke, but not the
upstroke
Inlet ball check not sealing Clean or replace; see 309577
Inlet check seat o-ring not sealing Repair pump; see 309577
One pressure gauge drops when pumps
are stalled on the upstroke, but not the
downstroke
Piston check ball not sealing Repair pump; see 309577
Piston packing not sealing Repair pump; see 309577
Loose piston stud in pump Repair pump; see 309577
Bad inside sleeve seal Repair o-ring; see 309577
A side rich; lack of B side A side gauge is low B side restriction downstream of gauge.
Check gun check valve screen, mix
module, or mix manifold restrictor.
A side impingement port is worn.
B side gauge is low B side material supply problem. Check B
side inlet strainer and pump intake valve.
B side rich; lack of A side A side gauge is low A side material supply problem. Check A
side inlet strainer and pump intake valve.
B side gauge is low A side restriction downstream of gauge.
Check gun check valve screen, mix
module, or mix manifold restrictor.
B side impingement port is worn.
PROBLEM CAUSE SOLUTION

Graco Reactor A-XP1 Specifications

General

Brand	Graco
Model	Reactor A-XP1
Category	Paint Sprayer
Language	English