Key facts
- Brand
- Westfalia
- Model
- OSC 139
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2026-10-03
Start here

Westfalia OSC 139 Separator User Manual
This manual describes the proper installation, operation, and routine maintenance of the Westfalia OSC 139 oil separator. It includes safety warnings, performance data, and step‑by‑step procedures for start‑up and shutdown.
Key sections cover separator throughputs and capacities, a detailed parts list, technical specifications, and troubleshooting tips. The document also provides wiring diagrams and recommended service intervals for reliable long‑term use.
Westfalia OSC 139 specifications
| Power rating | 10 hp |
|---|---|
| Voltage options | 230 V / 460 V |
| Motor speed | 1730 rpm |
| Inlet/Outlet configuration | 3 inlet, 2 outlet |
All Westfalia OSC 139 documents by type
Disassembly, diagnostics and part numbers, for repair.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the power rating of the Westfalia OSC 139 separator?
The separator is equipped with a 10 hp motor.
What voltage can the separator be operated at?
It can run on either 230 V or 460 V supply.
What is the maximum bowl speed for the OSC 139 separator?
The bowl runs at 4500 RPM.
What motor power is specified for the OSC 139 separator?
The motor is rated at 35 HP.
