Wayback_Echo-Usa — Engine Cooling System Cleaning
A Wayback_Echo-Usa service procedure — check it applies to your exact model before use.
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Before you start
- Do not use a metal scraper to remove dirt from the cylinder fins
Procedure
- Remove spark plug lead.
- Remove muffler cover.
- Remove engine cover.
- Use brush to remove dirt from the cylinder fins.
- Remove grass and leaves from the grid between the recoil starter and fuel tank.
- Assemble components in reverse order.
Tools required
- Brush
Source: manual:SRM-2620es_1415_012616.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.