
MEC 5000, 6500 & 8000/P | 5www.natvac.com | 800.253.5500
CONTENTS
Introduction
About National Vacuum Equipment, Inc........................5
Limited Warranty
Warranty.................................................6
Warranty Procedures.......................................8
The MEC Series Pumps
PumpSpecications ......................................10
Performance ............................................11
System Requirements.....................................12
Operating Instructions
Installation ..............................................13
Lubrication procedure ....................................14
Automatic oil pump .......................................14
Adjusting the automatic oil pump ...........................15
Recommended lubrication .................................16
Normal operation for air cooled pumps.......................16
Maintenance ............................................17
Determining the rotation of the pump .......................18
Troubleshooting
Pump overheats .........................................19
Too much oil use .........................................19
Pump doesn’t turn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
No vacuum or pressure in tank .............................19