Gast 1423 Series Oilless Vacuum Pumps and Compressors User Manual
Page 8
TROUBLESHOOTING CHART
www.gastmfg.com
ISO 9001 & 14001 CERTIFIED
PART NO. 70 - 290 G375PL (REV-J)
Low
High
Pump
Motor
Reason and remedy
Vacuum Pressure Vacuum Pressure Overheat Overload for problem.
•
•
At pump
•
•
Filter dirty.
Clean or replace.
•
At pump
•
•
Muffler dirty.
Clean or replace.
•
At pump
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•
Vacuum line collapsed.
Repair or replace.
•
•
•
Relief valve set too high.
Inspect and adjust.
•
•
Relief valve set too low.
Inspect and adjust.
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•
At pump At pump
•
•
Plugged vacuum/pressure line.
Inspect and repair.
•
•
Vanes sticking.
Clean or replace.
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•
Vanes worn.
Replace.
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•
Shaft seal worn.
Replace.
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•
•
•
Dust or offset powder in pump.
Inspect and clean.
•
•
•
•
Motor not wired correctly.
Check wiring diagram and line voltage.
World Headquarters
P.O. Box 97
2300 S. Highway M139
Benton Harbor, MI 49023-0097
Ph: 269/926-6171
FAX: 269/925-8288
www.gastmfg.com
Gast Group Limited,
United Kingdom
Unit 11, The I O Centre
Nash Road
Redditch, B98 7AS
United Kingdom
ph: +44 (0) 1527 504040
Fax: +44 (0) 1527 525262
www.gastmfg.com
Gast Hong Kong
Unit 12, 21/F, Block B
New Trade Plaza
6, On Ping Street, Shatin
N. T. Hong Kong
Ph: (852) 2690 1066
Fax: (852) 2690 1012
www.gasthk.com
FAX: 269/925-8288
www.gastmfg.com