Marathon — Frequency Selection (ME-SE1 Voltage Regulator)
Adjustments
From a Marathon service manual — check it applies to your exact model before use.
Before you start
- If this step is not carefully followed the system will not be properly protected.
Procedure
- Unplug the Hz jumper for 60 Hz (1800 rpm) operation.
- Plug the Hz jumper together for 50 Hz (1500 rpm) operation.
- Exercise care to prevent contact between jumper conductors and any other conductive objects when disconnected.
Specs & values
- 60 Hz (1800 rpm) unplugged
- 50 Hz (1500 rpm) plugged
Source: Marathon service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.