Northern Lights M864 — SP5. V-Belts
Maintenance
For the Northern Lights M864, from the Northern Lights owner's manual.
Applies to: Northern Lights M864
Procedure
- Check tension and wear on the V-belt every 50 hours.
- Press belt with thumb at midpoint between crankshaft and alternator pulleys.
- Tension is correct if belt depresses about 3/8 in. (10-15 mm) with 22 lbs. (10 kg) force.
Specs & values
- 3/8 in. (10-15 FridayParts $30.67 mm) deflection with 22 lbs. (10 kg) force
Full service-parts list: Northern Lights M864 →
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.