Question about Husqvarna Forest & Garden No.967012396 345 16" Gas Chain Saw

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I have a 345,after i adjust the chain,i use just a few minutes and the chain seems to get very tight and does not spin easily by hand

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It sounds like the chain is not getting lubricated causing it to lock up. Make sure the oiler system is clean and working properly.

Posted on Mar 15, 2011

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Check the sprocket to see if it has very deep groves wore into it.The chain might be getting in and out of the worn grove making it get tight.You also might not be getting enough oil to the chain.If the sprockets ok try cleaning the bar grove out with something like a small flat blade screw driver.There are small oil holes near the bar bolt holes.they need to be cleaned out every so offten.Blowing it out with compressed air helps .You should also flip the bar over every 2 to 3 hours of use.So it doesen't get wore bad on one side.Also try running the saw with the bar off to see if oil is coming out ok.If not your screen inside the oil tank might be plugged up.

Posted on Mar 15, 2011

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Related Questions:

1 Answer

Adjusting chain tension


There are a number of different types of adjusters, front manual adjusters, side manual adjusters and tooless adjusters, the two latter systems require you to slacken the bar nut/nuts and with a flat blade screw driver turn the screw clockwise to increase chain tention, the chain should touch the bar rails all around the bar with no sagging on the under side of the bar, with a gloved hand you should be able to pull the chain around easily to make sure its not too tight, with the tooless adjuster slacken off the bar nut/nuts and turn the thumb wheel down to increase the tention.

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1 Answer

What are the steps to replace a chain on a Husqvarna 345 chain saw?


Start by making sure the chain brake is off, pull the hand guard fully back to the top handle, now remove the two 8mm nuts securing the side cover, screw the chain adjuster in the crankcase fully back toward the sprocket, assemble the guide bar over the guide bar bolts and slide it fully back toward the sprocket, now loop the chain over the sprocket and lay it inthe guide bar raiuls and around the guide bar nose, make sure the sharo endge of the cutters on the top of the guide bar are facing away from the machine ( as you loog at it, it rotates clockwise ) now align the hole in the guide bar with the adjuster pawl, re assemble the chainbrake side cover back onto the saw, and fit the bar nuts finger tight, adjust the chain adjuster so as the chain is a snug fit all the way around the guide bar, with a gloved hand pull the chain around the bar manually, so as to make sure it is completly seated in the sprocket and bar rails, re tension if needed, hold the tip if the guide bar up and fully tighten the bar nuts.
Job done.

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1 Answer

Just bought a new 455 Rancher, within 15 minutes of use the chain fell off the guide. Could not put this chain on guide again. Tried brand new chain and within 15 minutes of use, chain came off of guide...


if you loosen the nuts holding the bar on there is a tension screw on the opposite side from where the nuts are you should see it if you look from the front of the saw by the muffler you need to use it to put the proper tension on the chain if you turn it clock wise it should move the bar out tightning the chain you want a tiny bit of slack in the chain it should not be dogged down tight with the tension screw if you go counterclock wiseit should release tension. once tight tighten screws to hold on bar and spin chain by hand should be able to spin chain if not it is to tight. hope this helps

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1 Answer

I have a Husqvarna 345 with a 18" bar. I worked


This machine has a geared side adjust tensinor, i woud say the gear system may have striped, remove the clutch and drum, remove the allen screw securing the silver bar protector plate, the adjuster will now just lift away complete, check its function, replace if required, check the oiler is working, hold the saw over some cardboard, rev the engine and check to see if there is a good oil spray onto the card.

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2 Answers

Trying to assemble chain back onto bar and wheel but when I start saw the chain comes off. I feel like it is tight enough but without being too tight.


loosen clamp,back off adjustment fully,spin chain by hand[carefully] to make sure its running on bar and sprocket,,adjust tension up ,while rechecking chain alignment,then lift chain by hand at the top of the bar[the bar will also move up slightly] and adjust tension up till clearance between chain and bar is about 1/2 inch.dont let go the chain,while you lock up the clamps.then spin chain to recheck its on the sprocket properly.then try cutting wood.This procedure can apply to most chainsaws

Jun 20, 2010 | Garden

1 Answer

Chain wont stay tight


Is the chain being properly oiled? Make sure the cover fasteners are tight after adjustment. If the chain is dull or is improperly sharpened, it will heat badly causing the chain to become loose. Adjust the chain (cover fasteners finger tight) so that the chain just comes up to the lower bar, but not so tight that you can't pull the chain by hand. Make sure the teeth cut toward you on the bottom run. Run the engine at speed with the bar tip near some cardboard for a few moments, it should throw off a thin line of oil onto the board. Hope some of this helps!

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1 Answer

The cover for the clutch will not go on


Make sure the chain brake is released and that the tang of the chain tension adjustment screw fits into the appropriate hole in the bar. You may need to back the adjustment off several turns so that the tang will drop into the hole. Once the cover is in place and the nut(s) are hand tight, tighten the adjustment screw until the chain does not droop from the bar bottom, but turn easily by hand. Make sure the teeth cut toward you on the bottom run. Hope this helps!

Apr 16, 2010 | Husqvarna Chain Saw 20" Bar

1 Answer

Honda vibrations


This one's a little tricky cause it could be a few things.
I'll try suggestions in the order of probability
  • Worn out chain & sprockets.(Or chain too tight or has a tight spot) Check this by raising the rear wheel off the ground,in neutral & spin the back wheel. If the chain & or sprockets are worn you'll feel it & hear it when you spin the wheel. If it has a tight spot,set the chain tension at the tight spot & lubricate well
  • Loose engine mounting bolts. If loose re- tighten.
  • Worn front sprocket shaft bearing. to check this(if chain seems ok) Remove the chain(note joining link direction of the circlip. The closed end faces the direction of rotation)Bike in neutral, turn the sprocket shaft by hand. It should turn smoothly.If it is notchy thats not good. It is a major job to change & can be expensive(So i hope its the chain &/or sprockets)
  • Broken tooth on a gear in the gearbox. I hope not as again a more difficult & expensive repair.
Hope this helps you narrow down your problem
Regards Andrew Porrelli

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1 Answer

Where is the bar oil adjusted from on husqvarna 345


Turn the Hus 345 chain saw upside down, you may see a little Icon of a oil droplet and a + - arrow by the chain. THe adjustment screw is not pictured in any of the standard user manuals,. but it is a small black slot headed screw over a rectangale metal tab by the chain. I believe if you turn it counter-clockwise, it will give you more oil,, It did for me. If you have the bar off, you can start the saw and see it come out the hole, that would verify your oil pump is working. Make sure the holes on the bar are clean also. running the saw at a fast idle for 1 min should oil the chain well enouth that it starts spraying off the end of the bar when you gun the engine.

Mar 31, 2009 | Husqvarna Forest & Garden No.967012396 345...

2 Answers

Slapping noise after chain adjust


hi there,,1,5, to two inches is correct,, is that all the way round by the way, sometimes u can have a tight spot,,it seems correct sometimes wen adjusted in one position,, but spin the rear wheel round it will either slacken quite a bit,, or go very tight,with no play in it,,,your cush drive rubbers behind the rear sprocket housing on the wheel,, may have a bit of wear in it,, or the chain haz a stiff link in the line,, and needs more oiling,, if the chain is dry ,and right now in salty conditions it will be, then that will cause chain slap,,,

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