Northern Lights M864 / OM864W — Checking V-Belt Tension

Maintenance · Alternator V-belt

For the Northern Lights M864 / OM864W, from the Northern Lights operator's manual.

Applies to: Northern Lights M864

Procedure

1. Check tension and wear on the V-belt every 50 hours.
2. Press on the belt at the midpoint between the crankshaft and alternator pulleys with your thumb.
3. Tension is correct if the belt can be depressed about 3/8 in. (10 - 15 mm) with 22 lbs. (10 kg) force.

Full service-parts list: Northern Lights M864 →

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.

More Northern Lights repair guides →