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Husqvarna 455 Rancher 555cc 35 hp 20" Chain Saw Questions & Answers
Changing the chain
remove the 2 nuts holding the sawdust strut/sidecover and remove side cover. remove chain and bar. clean the chain slot and oil holes on bar. install new chain over bar and place remainder of chain over chain sprocket.back off chain tightener until chain and bar fit. reinstall side cover.
The oil pump seems to
You have to remove the bar and chain, then remove the clutch by getting a hard plastic plug at your nearest shop. You then screw in the plug into the spark plug hole. You turn the clutch clockwise as opposed to counterclockwise. The oiler is underneath the clutch. They have a plastic gear that tends to wear out with time. You have to replace that gear . Buy the gear and the seal . Also clean the oiler real good so that it runs fairly free. They get clogged to the point of not turning sometimes.
Refilled the fuel on my Huskvarna chainsaw and now
Just check that it is mechanically sound, remove the muffler and check the condition of the piston skirt through thre open exhaust port, any signs of scuffing or damage and the cylinder will have to come off the assess the damage,
55 rancher-put new after market piston,ring and
I had a very similar problem with a stihl 029 farm boss.I did everything you did except I took it to a shop to do the piston and ring replacement. When I got it back the first time it would run for about two mins. then die.I fought it for a couple of weeks then took it back and expressed my displeasure. Then checked it all over and replaced piston and ring again and it runs great. They told me they could not get the right compression with the first one and thought the groove for the ring was cut to deep.I hope this is of some help to you. Thank you.
Will start but will not stay running
The 455 was very prone to blocking the fuel tank vent, as a test, when the saw starts to die release the fuel cap, if the saw picks back up and runs normally it is a breather issue, the breather is pressed into the crankcase under the starter cover.
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