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12. Troubleshooting

PROBLEM
Marker double firing or going full auto
Marker does not re-cock
Gas leaking out of barrel
Gas leaking at ASA
Marker is breaking paint
Marker is double feeding
Velocity is low (Do NOT Exceed 300 FPS)
Velocity is high (Do NOT Exceed 300 FPS)
10
DIAGNOSIS
• Air cylinder low on air
• Rear bolt O-ring worn or damaged
• Rear bolt or sear worn
• Rear bolt has no oil
• Bad valve
• Rear bolt O-ring worn or damaged
• Rear bolt O-ring is dry
• Power tube is damaged
• Marker internals clogged
• Valve leaking
• Tank O-ring damaged or missing
• Tank or ASA damaged
• Velocity is too high
• Paint is of low quality or old
• Ball detent damaged or backwards
• Ball detent is damaged
• Velocity screw is in too far
• Air source is low
• Power tube is damaged
• Drive spring is weak
• Velocity screw is out too far
• Drive spring is too stiff
B T P A I N T B A L L . C O M
SOLUTION
• Get air cylinder filled
• Replace rear bolt O-ring
• Inspect both for wear and replace if needed
• Oil rear bolt O-ring area with paintball oil
• Service or replace valve
• Replace rear bolt O-ring
• Oil rear bolt O-ring area with paintball oil
• Replace power tube
• Clean dirt and/or broken paintballs from inside receiver and barrel
• Service or replace valve
• Replace tank O-ring
• Replace tank and/or ASA if needed
• Lower velocity by turning screw clockwise
• Try better fresh paint
• Replace detent or check if it's in backwards
• Replace ball detent
• Turn the screw counter-clockwise to increase velocity
• Get air cylinder filled
• Replace power tube
• Install a stiffer drive spring
• Lower velocity by turning screw clockwise
• Install a lighter drive spring

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