Northern Lights L6125 — Air Filter Service
Maintenance · Air filter/oil separator
For the Northern Lights L6125, from the Northern Lights operator's manual.
Applies to: Northern Lights L6125, Northern Lights L6125H engine
Before you start
- Drainage window must be positioned at bottom of primary element or system will malfunction.
- Both first stage and coalescing elements must be replaced at the same time.
Parts for this job
Part numbers from the service-parts list for Northern Lights L6125. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Remove v-band clamp or retaining springs and air filter.
- Carefully remove silencer lid and o-rings.
- Raise service handle on oil separator element and pull it out with equal force.
- Reach inside housing and pull first element stage down; discard both elements.
- Reassemble with new elements, o-rings, silencer lid, v-band or retaining springs, and air filter.
Full service-parts list: Northern Lights L6125 →
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.