Northern Lights L1276 / L1276A2 — Heat Exchanger Cleaning

Maintenance

For the Northern Lights L1276 / L1276A2, from the Northern Lights operator's manual.

Applies to: Northern Lights L1276A2

Procedure

1. Drain cooling system.
2. Remove cooling water pipes between heat exchanger and water pump inlet.
3. Disconnect hose to seawater pump.
4. Unscrew attaching bolts holding heat exchanger to expansion tank.
5. Remove bolts holding heat exchanger cover.
6. Wash core inside and out; clean accessible parts of housing.
7. Reassemble using new gaskets and sealing rings.

Full service-parts list: Northern Lights L1276A2 →

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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