Northern Lights NL673 — V-Belt Adjustment

Adjustments

For the Northern Lights NL673, from the Northern Lights operator's manual.

Applies to: Northern Lights NL673

Procedure

1. Check tension and wear daily.
2. Press thumb at midpoint between fan pulley and alternator pulley.
3. Correct tension: belt depresses about 3/16 in. (5 mm).
4. Loosen alternator tensioning arm bolt and mounting bolt.
5. Pivot alternator toward engine left or right as required.
6. Tighten mounting bolt and adjusting bolt.
7. Recheck tension after tightening.
8. Recheck after running five minutes at low idle.

Full service-parts list: Northern Lights NL673 →

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.

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