Question about Husqvarna , No.455 Rancher, 20" Gas - Powered Chainsaw

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Bar cover will not fit due to clutch not opening up far enough. How do you get the spring assembly to fit right?

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Immobilize the clutch cover (blocks of wood on a flat surface to protect the finish) in a vise or to a work surface.

Bar cover will not fit due to clutch not opening u - b8356ad.gif
Use pliers or a crescent wrench and rotate it until it latches open. This requires some force.

If you have more questions or need additional help please reply below and I will get back to you. HTH & Good Luck.
Lou
Thank You for using FixYa.

Posted on May 02, 2010

Testimonial: "Thanks for the help. I took your answer and modified the fix a little. I placed the cover on loosely and then moved the bar handle into the right position in order to engage the spoked wheel, then rotated the handle back until the cover fit right. Thanks, SG"

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I had to replace part No 8182408 - the washing machine door handle. There is a plastic bar in the middle of the assembly that broke because the door was opened too hard.

There are two springs, the latch, and the plastic piece that brings it all together. The smaller spring is the key, call it the L spring. It is shaped like an L and goes around the ends of the latch. The other spring is the larger and straight and goes around the tops of the plastic piece. The straight spring goes in with the crossbar facing on the outside of the washer. The latch with the L spring fits in between the plastic crossbar with the U shaped end pressing against the latches inside bar. The antenna of the L spring needs to wrap around the plastic bar and fit inside the straight spring bar. This applies pressure on the latch to stay closed. When the handle is pulled, it releases the pressure and allows you to open the door. The Metal bar is used to hold all the pieces together and once you have the alignment right, put it back into the door with the straight spring antenna tucked in the spots on the door, as well as the metal bar ends. Screw in the two spots that holds the assembly in place and you will be set. The door should open and shut easily.

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How do I get the brake band ,located inside the chain cover, assembled back onto the chain saw. clutch assembly. The band brake diameter seems too small to fit around the clutch housing.


You need to load the brake, clamp it in a vice, be carefull not to damage the cover, if the hand gaurd is connected to the brake pull it fully back until the locks off, this may take a fair amount of force as it is compressing a large spring, if the hand guard is on the machine, remove it and use this as a tool to load the brake, the only other way is to remoce the clutch and sprocket, now refit the brake onto the saw, now pull the hand guard fully back to load the brake.

Apr 11, 2011 | Husqvarna "Chain Saw - 16" Bar, 3 Hp

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The ring in the clutch cover will not fit over the clutch so that it can be tightened down. I used the saw 1 weekend end & it was fine. The next weekend the chain came loose during operation. It...


This may not be the answer you are looking for but I would get a small file and file the ring just enough to make it fit. I really don't understand why it got too tight in the first place but you stated that it only needs a fraction wider to work. Use a small file or drill to open the hole to the size you need and start cutting wood again. The Rancher is a great chain saw.

Mar 07, 2011 | Husqvarna , No.455 Rancher, 20" Gas -...

1 Answer

How doe the band on my chain break attach to my chainsaw mine is broken and i do not know how to install it. or how to get the clutch off so i can replace it


It can be a little tricky!

If you are referring to chain break band

Tools you will need:
1/2 Socket (to remove bar nuts)
T25(torq) or you can use a Flathead screw driver but is a little harder.

Remove 2 bar nuts,Clutch cover,bar,chain, 2 screws on black bar handle right behind clutch cover(this is needed because there is a hidden screw there for the chain break) You will need a new chain brake (my guess is that it is part # 530071893 aprox $15) but you will want to verify that with your model number.

You should see the chain break assembly, 3 - T25 screws are visible after the clutch cover is removed(note sometimes you have to clean saw dust to make screw head visible) the other T25 screw is hidden under the black bar handle. Once you remove all 4 screws on the chain brake you will be able to pull it off.

Installing the new one is the tricky part because if it is set(or break is on) you will have a hard time putting it on.One of the easiest ways is to focus on it near the muffler you will see that a metal 3 pronged gear fits into the plastic part of the chain break handle.and if the band is too tight to fit over the clutch drum you will have to carefully reset it by applying pressure onto the area that has the 3 pronged gear and chain break handle make sure that the handle is pushed forward all the way while you apply pressure then slowly pull chain break handle back till you hear a "snap" this resets the chain brake spring and the band should now fit over the clutch drum.Now, proceed with putting back together 4 chain brake assembly screws,2 handle screws,and bar,chain,clutch cover,and 2 bar nuts.

Please note it is important that you apply quite a bit of pressure onto chain break area where metal (3 pronged) gear fits into handle while resetting or when you reset it the metal part can cut into and damage the plastic piece in the chain break handle.

You can see a breakdown here: http://www.searspartsdirect.com/partsdirect/part-model/Poulan-Parts/Chainsaw-Parts/Model-P4018WT/1324/1503220/P0506041/00002?blt=06&prst=0&shdMod=P4018WT

Hope this helps!

Feb 20, 2011 | Poulan 18" Wild Thing Chainsaw

1 Answer

Bought a new Husqvarnia 450 chainsaw and folowed the instructions to fit the chain bar. I found it difficult to take off the clutch cover (the brake had not released fully). I cannot get the clutch cover...


I guarantee you are not the first to experience this. In the future if the clutch cover is difficult to remove please do not!
Reset Chain Brake
Immobilize the clutch cover (blocks of wood on a flat surface to protect the finish) in a vise or with a large C-clamp to a work surface.

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Use pliers or a crescent wrench and rotate it clockwise until it latches open. This will require some force. A slight modification reported in a testimonial to the above method follows;
" Thanks for the help. I took your answer and modified the fix a little. I placed the cover on loosely and then moved the bar handle into the right position in order to engage the spoked wheel, then rotated the handle back until the cover fit right. Thanks, SG " – NameRemoved

If you have more questions or need additional help please reply below and I will get back to you. HTH & Good Luck.
Lou
Thank You for using FixYa.

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The problem was Alloy spacer inside spring that supports spring had turned. Not allowing for shaft to fit in proberly

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I have a Husqvarna 345e chainsaw. Can't get the cover back on.


That metal band you see which is preventing you from putting on the cover is part of the chain break mechanism. You were suppose to disengage the break before taking off the cover (I did the same thing). To get it back together you need to disengage the break by a tricky procedure and that will make the band diameter larger so it fits over the clutch. To force the band open, you need to first place the cover over the two bolts that hold the bar. As you already know, the back of the cover will not be able to fit over the clutch. Now in this angled position, bend (force) the break lever down (gray thing on top) until you can force together the sproket in the cover onto the mating pastic fitting built into the break lever. Now you can use the break lever to force down the internal spring and open the metal band. That will expand the stainless steel band and it will fit around the clutch. If you now push down on the back of the cover it will snap in over the clutch. Once you see how it is done, it is not so hard, but it is tricky because you are forcing some of the parts slightly out of position to get it back together. .

May 18, 2009 | Husqvarna "Chain Saw - 16" Bar, 3 Hp

18 Answers

CHAINSAW BRAKE LOCKED ON HUSQVARNA 455 RANCHER HELP PLEASE?


I used applman08's solution. A few pointers:
0. This problem occurs when you take off the side cover while the brake is set. So after you fix this, don't do that again.
1. When removing the clutch, place the screwdriver in the notch next to where it says "off" and tilt the screwdriver down so that when you strike it you are applying a clockwise shock force that is almost horizontal (assuming your 455 is on its side).
2. DO NOT remove the spring! There is a plastic housing that basically holds the brake mechanism in place (secured by 4 screws). If you take that apart, and then take out the spring, you will be learning how the brake works and spending some time compressing that spring and getting it back in. You'll have to come up with something clever to get the spring in depending on tools available.
3. Going back to 1. - get that clutch off, put the side cover back on, getting that brake lever lined up with the very-difficult-to-grab three-toothed mechanism for engaging the spring. Tighten down the side cover, or hold it snug with one hand while you lever the brake handle with the other. You will hear a satisfying snap as the braking mechanism (with the spring I told you not to mess with) resets.
Note: You can probably reset the braking mechanism by manually turning that three toothed gizmo but it's really hard to grab and the brake handle fits it perfectly. The key is you've got to turn that about 60 degrees.
Good luck, this was an annoying problem.

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3 Answers

Belt


Remove sole plate and beater bar.
Remove control knob by prising between yellow plastic side of knob and casing using wide bladed screwdriver.
There three torx headed screws holding the clotch assembly in place. Two are visible but the third is accessed via a circular access holein the main casing.
When these three screws are removed the clutch assembly can be pulled out. the thinner belt driven by the motor needs easing over the motor shaft.
There are two screws holding the end plate onto the clutch assembly. remove these, twist the end plate and remove. note where the fibre clutch plate and the metal plate fit and replace this belt.
On opposite end prise off spring washer and this assembly comes off the reveal the belt.

Refitting is the reverse.
Have a look on you tube and type in replacing clutch on Dyson DC4 as there is a 10 minute vidio that is quite good!!
Hope this helps!!!!!

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