Northern Lights — Operating
Operation · engine
From a Northern Lights operator's manual covering: NL378, NL378x, NL484, NL488x, NL498x. Check it applies to your exact model before use.
Applies to: Northern Lights NL378, Northern Lights NL378x, Northern Lights NL484, Northern Lights NL488x, Northern Lights NL498x
Before you start
- If gauges deviate from normal levels, shut down the generator set and investigate.
Procedure
- Check gauges often; oil pressure must be above 15 PSI.
- D.C. voltmeter should read between 11 and 15 volts at 80°F (25°C) ambient.
- Water temperature gauge must be below 200°F (94°C).
- Check A.C. voltage and frequency meters (Series 7 panel).
- Let unit run unloaded for a three to five minute warm-up period.
- Add electrical load.
Specs & values
- Oil pressure above 15 PSI
- DC voltmeter 11 to 15 volts
- Water temperature below 200°F (94°C)
- 3 to 5 minute warm-up
Full service-parts list: Northern Lights NL378 →, Northern Lights NL378x →, Northern Lights NL484 →, Northern Lights NL488x →, Northern Lights NL498x →
Source: Northern Lights operator'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.