Troubleshooting; Pump Overheats; Too Much Oil Use; Pump Doesn't Turn - NVE MEC 5000 Owner's Manual & Operating Instructions

Troubleshooting

MEC 5000/P
MEC 6500/P
MEC 8000/P

Pump overheats

Too much oil use

Pump doesn't turn

No vacuum or pressure in tank

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• No oil in pump
• Oil adjustment set too lean
• Rpm too fast
• Prolonged operation
• Oil adjustment set too rich
• Oil seals defective
• Cracked pump body
•
Broken vane
•
Frozen
•
Pump endplate bolts too tight
•
Faulty PTO or drive set up
•
Suction valve in neutral
•
Defective seal or vanes
•
Pump not driven fast enough
•
Check valve or suction line clogged
•
Leak in tank or fittings
MEC 5000, 6500 & 8000/P | 21