866 Challenger Series |
21
www.natvac.com | 800.253.5500
TROUBLESHOOTING
NVE 866
Vacuum Pump
Pump Overheats
• No oil in pump
• Oil pump adjustment set too lean
• RPM too fast
• Prolonged operation at excessive vacuum or pressure levels,
• Pump is dirty
• Ballast filter is clogged or dirty.
Pump Uses Too Much Oil
• Oil pump set too rich
• Leaving pump under vacuum between jobs
• Product running through pump
Pump Doesn’t Turn
• Broken vane or bearing
• Pump is frozen
• Problem in the drive train