Husqvarna 343R, 345RX, 343F, 345FX, 345FXT Inspecting the, crankshaft, Crankshaft and crankcase

7	Crankshaft and crankcase
	Inspecting the	Inspecting the
	crankshaft	crankshaft
	Inspect the large end of the connecting	The crankshaft cannot be reconditioned
	rod.	but must be replaced if it is worn or
		damaged.
		Inspect the large end of the connecting
		rod. If seizure marks, discolouration on
		the sides or damaged needle holders
		are found the crankshaft must be
		replaced.

Inspect the small end of the connecting	Inspect the small end of the connecting
rod.	rod.

If seizure marks or discolouration are found in the bearing track the crank- shaft must be replaced.

Check the crank bearing.	Check the crank bearing. The connect-
	ing rod shall not have any radial play
	(up and down).

It should, however, have axial play, in order to ensure good lubrication of the crank bearing among other things.

Inspect the crankshaft bearing and	Check for wear in the crankshaft
sealing rings.	bearing and sealing rings.

Clean the bearings and rotate the outer ring. If movement is “jerky” the bearing track is probably damaged. If so, replace the bearing.

Also check that the gap is not too great.

Inspect the sealing rings. The seal edge shall be sharp or slightly ground.

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