Gast 2567 Series Oilless Vacuum Pumps and Compressors - Manual (Page 8)

TROUBLESHOOTING CHART
www.gastmfg.com
ISO 9001 & 14001 CERTIFIED
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.
8
PART NO. 70-235 G365PL (Rev. H)
We have Gast Authorized Repair Facilities throughout the world. For the most up-to-
date listing, contact one of our sales offices below:
Gast Manufacturing, Inc.
2300 S. Highway M139
Benton Harbor, MI 49022
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
Room 6, 9F
New Commerce Centre
19 On Sum St., Shatin
N. T. Hong Kong
Ph: (852) 2690 1066
Fax: (852) 2690 1012
www.gasthk.com