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Troubleshooting
308613E 11
Troubleshooting
Technical Data
Problem Cause Solution
Uneven spray pattern Fluid pressure too low Increased pressure to pump, or adjust
fluid pressure regulator
Spray gun will not stop spraying Fluid pressure too high Reduce pressure to pump, or adjust
fluid pressure regulator
Fluid needle binding Clean, repair
Piston packing binding Repair
Obstructed or worn needle seat Clean or replace
Spray gun will not spray Pump not operating Refer to separate pump manual
Fluid line clogged Clear
Fluid valve closed Open
Clogged orifice or needle seat Clean
No trigger or actuator air pressure Check, clean air lines
Worn or dry piston packings Replace
Single Acting Paint Gun
238377
Double Acting Paint Gun
24G980
Maximum working pressure 3000 psi (210 bar)
Operating pressure of air actuated trigger:
Minimum
Maximum
50 psi (3 bar)
200 psi (12 bar)
75 psi (5)
200 psi (12)
Fluid connections two 3/8 npt(f) ports
Air connection 1/4 npt(f) air inlet
Wetted parts 303 & 416 Series Stainless Steel, Tungsten Carbide, Copper,
Acetal Homopolymer, Leather
Operating temperature 32° - 120° F
(0° - 49° C)
Sound pressure level 84.6 dB
Sound power level 90.9 dB
*Measurements at 2900 psi (200 bar) per ISO 3744