| Drain off 1-2 tbsp of oil | Beginning of every batch | See pg27, "How do I extend the life of my vacuum pump oil?" |
| Change oil | Approx. 5-6 batches* | See pg23, "Vacuum PumpMaintenance, Oil Change" |
| Power flush | Approx. 10-12 batches* | See pg24, "Vacuum PumpMaintenance, Power Flush" https://youtu.be/ILVBXqg9oc8 |
| Remove pump cover assembly | Approx. 30-36 batches* | https://youtu.be/bOGTh9n3NpA |
*The number of batches is contingent on the food you freeze dry, the thickness, length of batches, etc.