Northern Lights — Winterize or store generator set
Maintenance
From a Northern Lights operator's manual covering: M30, M38C3, M38C3F, M40C3F, M944. Check it applies to your exact model before use.
Applies to: Northern Lights M30, Northern Lights M38C3, Northern Lights M38C3F, Northern Lights M40C3F, Northern Lights M944
Procedure
- Change engine oil and filter.
- Run engine no load 1 to 2 minutes to circulate clean oil.
- Drain, flush, and fill cooling system with pre-mixed 50/50 ethylene-glycol coolant.
- Loosen alternator drive belt.
- Seal intake and exhaust openings with heavy plastic bags and duct tape.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- For storage longer than 3 months
Full service-parts list: Northern Lights M30 →, Northern Lights M38C3 →, Northern Lights M38C3F →, Northern Lights M40C3F →, Northern Lights M944 →
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.