Diesel Generator Backfiring/Valve Settings
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If you find that the unit is backfiring, or kicking back on the recoil, it will be that the engine has settled in and the Valve Clearances need adjusting.
Your engine is a system of moving parts, and moving parts wear. When you adjust a valve, you’re not adjusting the valve itself but compensating for that wear, letting the valve open and close as efficiently as possible.
Here is a great video guiding you through adjusting the valve clearances on diesel generators. Generator Guru list all the Valve Settings for all the units they support on their website under the Valves and/or Cylinder Head parts listings. Just look up your Brand and Model and click on the valves and/or Cylinder Head part for your Generator.
