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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.