Northern Lights — Checking battery electrolyte
Maintenance · Batteries
From a Northern Lights operator's manual covering: 753, L753, L843, L854, M354-G, M753, M843, M854, M892. Check it applies to your exact model before use.
Applies to: Northern Lights 753, Northern Lights M753, Northern Lights M843, Northern Lights 854A engine, Northern Lights 854B engine
Before you start
- Battery gas can explode; keep flames and sparks away from batteries.
Procedure
- Check electrolyte level after every 50 hours.
- Level should be about 3/8 in (10 mm) above cell plates.
- Top with distilled water if necessary.
- Make sure cable terminals are clean, properly fastened and greased.
- Check specific gravity of electrolyte in each battery cell with hydrometer.
Tools required
- Hydrometer Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Fully charged corrected specific gravity: 1.260; charge if below 1.215.
Full service-parts list: Northern Lights 753 →, Northern Lights M753 →, Northern Lights M843 →
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.