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Chainsaw 34cc 350mm bar polun, tha adjusting

Chainsaw 34cc 350mm bar polun, tha adjusting screw damage the chain brake cover.

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  • dontbother10
    dontbother10 May 11, 2010

    We need the make, model, and serial numbers (manufacturer's tag) and a better idea of what you need fron us for us to help you! Lou

  • dontbother10
    dontbother10 May 11, 2010

    I need the make, model and serial numbers (manufacturer's tag) to find the correct IPL for your saw.



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Did the cover crack? The adjusting screw is just a common metric screw; the nut has a special tang that engages one of the 2 large holes at the drive end of the bar. When reinstalling the bar and chain, the adjustment screw must be backed off a few turns so the the tang will readily drop into it's hole in the bar. Install the cover (new if old one cracked) and turn the nut(s) down finger tight. Turn the adjuster CW to tighten the chain so that the chain doesn't droop from the bar, but turns freely by hand. Tighten the cover nut(s) and recheck the chain again.

Posted on Sep 13, 2009


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1 Answer

After you install bar,chain,and brake cover(tightened)the chain wont turn.

Tighten the adjusting screw with the two nuts loose but snugon the middle of the chain on the top of the bar. Tighten the chain screw until the chain is loose enough to raise the chain up about 1/2 inch then tighten the mounting nuts tight. Then see if it is ok.

Jan 07, 2015 | Husqvarna 338xpt 14" Gas Chain Saw Husky...

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How to remove the chain from a husqvarna 235e chainsaw?

Like this or pretty close.

  1. Cock brake while expanding chain brake binder by pulling brake handle towards left-hand (wrap-around) handle grip, hard, until it locks in place.

  2. Loosen 2 brake-asssembly-and- bar retaining nuts but do not remove yet.

  3. Unscrew (turn CCW) bar adjustment screw on front face of unit in order to shorten bar and slacken saw chain.

  4. Slip chain off bar over bar tip and towards inward side of bar.

  5. Remove two nuts loosened in step 2 and pull brake assembly and bar straight out and off bar mounting studs.

  6. While rotating clutch/brake-drum, maneuver saw chain off sprocket and around drum perimeter to remove from saw.

  7. Repeat/reverse steps 6 thru 1 in that order to reassemble.

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Assembly of McCulloch 335 chainsaw. do not understand B4. Check that small end of chain tension lever fits into bottom hole 18 of bar.

The chain adjuter is in the side cover ( chainbrake ) so you need to make sure the adjuster pawl in the brake ligns up with the hole in the guide bar, if not the chain will not tighten, and you will damage the cover if you tighten the bar nuts and the pawl is not in the bar hole.

Nov 01, 2011 | Garden

1 Answer

How do i replace my chain on my Partner brake assisted chain saw ?

Make sure the brake is de activated by pulling the hand guard fully back to the top handle, you shpuld hear an audible click when it locks, remove the nuts and side cover, the chain adjuster will either be in the crankcase or the side cover, screw the adjuster right back, remove the old chain, now loop the new chain over the sprocket and lay it into the guide bar with the cutters on the top of the bar facing away from the saw, re fit the side cover making sure the adjuster pawl locates into the adjuster hole in the bar, re fit the bar nuts finger tight, screw the adjuster up so as the chain sits snuggley all around the guide bar, pull the chain around manually with a gloved hand, this will make sure it is properly located in the sprocket and is free in the bar, lift the bar nose and fully tighten the bar nuts

Jan 23, 2011 | Garden

1 Answer

Chain does not rotate around bar. Chain brake seems to engage/disengage as intended.

With a gloved hand can you manually pull the chain around the bar? if not the chainbrake is still engaged, pull the hand guard fully back to the top handle until you hear the click from the brake mechanism, if the chain does pull around manually then there is a problem with either the cluch or the sprocket, remove the side cover, check the clutch for damage, remove the drive sprocket and check the drive teath are not badly worn allowing the chain to slip within it, replace parts as required.

Jan 21, 2011 | Poulan P3416 16Inch 34cc 2Cycle Gas...

1 Answer

I have a brand new German made Boomag 58cc 20" chainsaw and am having trouble attaching the blade arm to the engine. I loosen the two bolts but the cover attached to the chain stop bar won't come loose. I...

Make sure the chain brake is released. Remove the two cover bolts completely and back off the chain adjustment screw several turns. All of this should release the cover. Make sure the chain teeth cut toward you on the bottom run. When adjusting the chain, leave the cover screws finger tight, and turn the adjusting screw CW to bring the chain up to the lower bar run, but not so tight that the chain cannot be moved by hand. Tighten the cover screws and recheck chain tension. When running, hold the bar tip near some cardboard while running at speed--it should throw off a thin line of oil onto the board. Hope this helps!

Jun 28, 2010 | Garden

1 Answer

Cannot get clutch n bar cover back on . My saw model 09 240 . Please help

Make sure the chain brake is released and that the chain adjustment screw is backed out a few turns. Make sure that the adjustment tang drops into one of the large holes and attempt to install the cover. If the chain brake is contained in the cover (Husky brand and others), the brake must be released with a wide screwdriver. Hope this helps!

May 17, 2010 | Garden

1 Answer

Chain will not move on chainsaw

Normal 0 This will be the basic instruction for most common saws. Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle if the saw is equipped with a chain brake on the handle. Loosen the bar nuts on the clutch cover. Loosen tension screw or other adjuster (thumbscrew) to allow the bar to be moved toward the engine. Some saws have this tension adjustment built into the bar. This will provide enough slack in the chain to able to reinstall it. It may be necessary to remove the side cover to gain access to the clutch/gear assembly on the side of the engine if the chain also jumped the gear here. Remove the cover, inspect for any debris or other obstructions in this area. If none, replace the chain back over the drive gear and in the bar groove all the way around the bar. It may be necessary to turn the bar adjuster screw more to provide enough slack in the chain to do this. Once the chain is in place reinstall the cover and bar lock nuts. Snug up the nuts but do not tighten these. Turn the bar/chain adjuster screw to tighten the chain on the bar (take up slack). I usually tighten to a point where there is no slack between the chain and the bottom of the bar and I can still turn the chain easily around the bar by hand. With experience you will get the feel for this chain tension. Once the chain is properly tensioned, tighten the bar lock bolts/ nuts on the side cover.

Some Poulan Pros have an adjuster screw on the front of the engine case right beside the bar, some have a tool less adjuster on the clutch cover, and some have a slot in the bar for adjusting the chain tension.

I hope this helps you out.

May 15, 2010 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

My chainsaw quite suddenly. i restarted it but

1. The kickback brake, if equipped, was triggered to stop the chain.
2. The chain is jammed with saw dust/debris (it doesn't take much)
3. the bar sprocket is damaged.
4. The chain guide teeth are damaged and not sliding through the bar guide groove smoothly
5. The chain is adjusted too tightly.
6. You are out of bar oil and friction has stopped it/damaged the bar and/or chain
7. The motor sprocket clutch is damaged.

That should cover all of the basics to look over.

Nov 04, 2009 | Husqvarna Craftsman 36cc, 16 In. Gas Chain...

1 Answer

I'm looking for a way to adjust the E-Brake on my Homelite 18" Chain Saw. Its model UT10830. The Saw runs great it just seems that the Brake keeps it from cutting properly by not allowing the chain to turn...

remove the nuts that hold the bar & the screws that hold the cover on.w/ brake off,remove cover.inside cover you will find 'band' brake that surrounds sprocket assembly.if adjustment is provided,it will be at one end of the's more likely to be an accumulation of sawdust interfering w/brake.also clean sawdust from chain oiler holes in bar,and around sprocket while you've got it apart.slacken chain adjuster screw to aid re-assembly,re-adjust chain

Sep 26, 2009 | Garden

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