Service manual for Moyno 331, 332, 333, and 344 sanitary and hygienic non‑motored pumps, covering installation, operation, maintenance, and troubleshooting.
This service manual provides detailed instructions for installing, operating, and maintaining the Moyno 331, 332, 333, and 344 sanitary and hygienic non‑motored pumps. It includes guidance on mounting position, pre‑wetting, piping, belt tension, and correct rotation direction, as well as safety warnings for disassembly and electrical hazards.
The manual also contains troubleshooting tips, maintenance procedures, and a complete parts list with part numbers. Technical data such as maximum discharge pressure, temperature limits for elastomers, and maximum speed are presented in tables for quick reference.
| Maximum speed | 1750 rpm |
|---|---|
| NBR elastomer temperature range | 10‑160 °F |
| EPDM elastomer temperature range | 10‑210 °F |
| FPM elastomer temperature range | 10‑240 °F |
The pump must rotate clockwise when facing the shaft.
If leakage is slight, allow the pump to run several hours so the sealing faces run in.