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Troubleshooting
6 306642F
Troubleshooting
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Problem Cause Solution
Pump doesn’t operate Insufficient air supply Be sure adequate volume of air is
supplied to pump. See Technical
Data on back cover.
Check for restriction in air line or
closed valves or regulators.
Check valve plate held closed by
obstruction
Follow the Pressure Relief Procedure
above. Remove pump from inductor
plate and clean pump intake.
Damaged air motor See motor manual 307049, supplied.
Air motor operates but lubricant flow
is low
Empty lubricant drum Change drums.
Insufficient air supply Increase air pressure. Do not exceed
100 psi (.7 MPa, 7 bar)
Erratic pump operation Worn, damaged or obstructed check
valve plate
Follow the Pressure Relief Proce-
dure, page 5. Remove pump from
inductor plate and clean and/or repair
intake.
Leakage from weep hole Worn or damage throat packings Replace v-packings and glands. See
page 7.