Graco 24G979 Paint Sprayer User Manual


 
Troubleshooting
8 308612J
Troubleshooting
NOTE: Check all possible solutions before disassembling the pump.
Problem Cause Solution
Uneven spray pattern Bead pressure too low Increase pressure to bead tank, or adjust
bead pressure regulator
Spray gun will not stop spraying Gun needle binding Clean, repair
Obstructed or worn needle seat Clean or replace
Spray gun will not spray Bead line clogged Clear
Bead valve closed Open
Clogged orifice or needle seat Clean
No trigger or actuator air pressure Check, clean air lines
Wet beads Drain beads from tank and replace with dry
beads