18
| 607 PRO Challenger
Series
www.natvac.com | 800.253.5500
TROUBLESHOOTING
NVE 607 PRO
Vacuum Pump
Problem: Pump overheats
Causes:
• No oil in pump
• Oil adjustment set too lean
• RPM too fast
• Prolonged operation at excessive vacuum or pressure levels
• Pump is dirty
• Inlet filter is clogged.
Problem: Pump uses too much oil
Causes:
• Oil pump set too rich
• Leaving pump under vacuum between jobs
• Product running through pump
Problem: Pump doesn’t turn
Causes:
• Broken vane or bearing
• Pump is frozen
• Problem in the drive train