Full Product Manual
Table Of Contents
- Before You Spray
- Review Warnings for Important Safety Information
- Related Manuals
- Models
- Online Resources
- Important User Information
- Contents
- Warnings
- Know Your Sprayer
- Know Your Sprayer
- Know Your Sprayer
- Know Your Controls
- Set Up
- Start Up
- Spraying
- Cleanup
- Storage
- Reference
- Maintenance
- Troubleshooting
- Technical Specifications
- Graco Standard Warranty
- Graco Information
Troubleshooting 
34 3A6430C EN
Sprayer runs, but pump does not 
prime or looses prime while in use.
(Pump cycles but does not pull paint 
into Suction Tube or build pressure.)
Prime/Spray Valve is in SPRAY 
position.
Turn Prime/Spray Valve down to 
PRIME position until paint exits Drain 
Tube.
Inlet screen is clogged or Suction 
Tube is not completely immersed in 
paint.
Clean debris off inlet screen and 
make sure Suction Tube is completely 
immersed in paint.
Inlet or outlet valve ball is stuck or 
dirty.
X5/X7 Only: Press PushPrime button 
twice to loosen inlet valve and 
reprime sprayer. See Fill Pump 
(Prime Pump), page 16. 
See Storage/Priming Tool, page 31. 
Then reprime pump. 
Remove inlet and/or outlet valves and 
clean and clean, replace and reprime. 
See Fill Pump (Prime Pump), page 
16. See figures below:
• Make certain to not lose the 
ball and spring of the inlet 
valve assembly or the 
sprayer will not function.
• Make certain the outlet ball 
moves free in the housing 
before replacing.
Suction Tube is leaking. Inspect Suction Tube connection for 
cracks or vacuum leaks.
Debris in paint causing obstruction. Strain the paint. See Strain the 
Paint, page 16.
Prime/Spray Valve is worn or 
obstructed with debris.
Take sprayer to Graco/MAGNUM 
authorized service center.
Problem Cause Solution










