Gast 0211 Series Lubricated Laboratory Vacuum Pumps and Compressors - Manual (Page 8)

8
TROUBLESHOOTING CHART
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 • • Vacuum line collapsed.
Repair or replace.
• • • • Relief valve set too high.
Inspect and adjust.
• • Relief valve set too low.
Inspect and adjust.
• • At pump At pump • • Plugged vacuum/pressure line.
Inspect and repair.
• • Vanes sticking.
Clean or replace.
• • Vanes worn.
Replace.
• • Shaft seal worn.
Replace.
• • • • Dust or offset powder in pump.
Inspect and clean.
• • • Motor not wired correctly.
Check wiring diagram and line voltage.
• • • • Running at too high an RPM.
Check wiring diagram and line voltage.
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P.O. Box 97
2300 Highway M139
Benton Harbor, MI 49022
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