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Senco PC0968 User Manual

Page 13

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13

PROBABLE CAUSE

Defective motor/pressure switch.

PROBABLE CAUSE

Possible defective safety relief valve.

Excessive air tank pressure.

PROBABLE CAUSE

Fittings are not tight enough.

PROBABLE CAUSE

Defective or rusted air tank.

PROBABLE CAUSE

Damaged inlet (reed) valve.

TROUBLESHOOTING

REMEDY

Replace.

REMEDY

Operate safety relief valve manually by pulling on ring.

If it still leaks, it should be replaced.

Defective motor/pressure switch. Replace.

REMEDY

Tighten fittings where air can be heard escaping. Check

fittings with soapy water solution. Do not overtighten.

REMEDY

Air tank must be replaced. Do not attempt to repair

air tank!

REMEDY

Contact SENCO Customer Service 888-222-8144.

Symptom 4. Air continues to leak at motor/pressure switch release valve while motor is running.

Symptom 5. Air leaks from safety relief valve.

Symptom 6. Air leaks at fittings.

Symptom 7. Air leak in air tank.

Symptom 8. Air blowing from inlet filter.

PROBABLE CAUSE

Pressure regulator knob not turned to high enough

pressure or defective pressure regulator.

Restricted air intake filter.

Air leaks.

Air compressor is not large enough for air

requirement.

REMEDY

Adjust pressure regulator knob to proper setting or

replace.

Clean.

Check for leaks and repair.

Check the accessory air requirement. If it is higher than

the CFM or pressure supply of the air compressor, you

need a larger air compressor.

Symptom 9. Insufficient pressure at air tool or accessory.