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Northern Lights — Generator Set Starting and Operating

Operation

From a Northern Lights owner's manual covering: L439, L668, M40C, M439, M445, M65C, M668, M99C. Check it applies to your exact model before use.

Applies to: Northern Lights M668

Before you start

  • Do not crank starter for more than 20 seconds.

Procedure

  1. Hold Shutdown Bypass switch ON and push Engine Control switch to START.
  2. Release both switches as soon as engine starts.
  3. If engine fails to start, be sure starter has stopped before reengaging.
  4. Check gauges often: oil pressure above 29 PSI, DC voltmeter 13-14 volts.
  5. Let unit run unloaded three to five minutes warm-up.
  6. Do not add full electrical load until engine at maximum operating temperature.

Specs & values

  • Oil pressure above 29 PSI
  • D.C. voltmeter 13 to 14 volts (26-28 volts, 24 volt systems) at 60°F
  • Water temperature below 200°F (94°C)

Full service-parts list: Northern Lights M668 →

Source: Northern Lights owner's 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.

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