6

 

Cylinder and piston

 

 

 

 

Wear tolerances

 

 

 

 

 

 

 

 

 

 

 

 

Cylinder bore

 

Piston ring gap

 

Piston ring groove

 

Piston ring play

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When the surface coating is worn and aluminium appears.

Max. 1.0 mm with the piston ring inserted in the lower part of the cylinder.

Max. 1.6 mm. Clean the groove before checking the measure- ment.

Max. 0.15 mm. Clean the groove before checking the measure- ment.

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Image 51
Husqvarna 343F, 345FX, 345FXT, 343R, 345RX manual Wear tolerances