Question about Husqvarna Chain Saw 20" Bar

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Chain came off while using and chewed the heck out of the chain guides. I used a dremel tool and ground the guides smooth again being careful not to take any base metal away. I resharpened the chain and it cuts crooked. I'm pretty careful with the angle I sharpen the cutters at. Could the bar be bad?

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Is it possible?? yes. but more likely the chain is ruined, The chain is the least expensive part of the cutting system and should never be reused after falling off, the burrs will not only destroy your expensive sprocket and drum but your bar as well.Any chain they is thrown off allways has too much side load stress to be safe to use again.Keep a close watch on the chain tension as you use it and keep it snug to avoid it falling off. Most bars can be flipped over and use the other side also

Posted on Nov 15, 2009

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I have a huscavarna 435 chainsaw and after running a few minutes the chain locks up


You may have the chain tensioner set a little too tight.

Additional things to check:
  • The sprocket on the end of the guide bar is greased, and turning smoothly.
  • The chain brake is working correctly (not dragging or only partially disengaging).
  • The guide bar is straight, not bent or twisted, burr free, and the groove the chain travels in hasn't been squeezed together.
  • The chain tension is set correctly.
  • The chain oiler is functioning correctly (and you have a sufficient amount and correct type of bar oil).
  • Chain is in good condition, and the correct one for the saw. Make sure all of the links flex smoothly.
  • Chain is sharp. A dull chain will put more pressure on the guide bar because the cutting teeth aren't digging into the wood efficiently (and usually a person pushes harder on the saw when the chain is getting dull).
Chain side tensioning
http://husqvarna.custhelp.com/app/answers/detail/a_id/590/kw/chain%20tensioning%20screw/related/1

Mar 21, 2016 | Husqvarna Chainsaw Model 435 16" inch bar

1 Answer

New Homelite. Cut great for an hour, then the chain wouldn't grip or cut. Chain was loose so I tightened but still doesn't cut- just


The blade is no longer sharp, something not unusual after about an hour of cutting. How long a blade stays sharp depends on what type of wood you're cutting, whether the blade contacted the ground or anything other than wood at any time, and how hard you are working the bar through the wood. If you are cutting hardwood or something like railroad ties the lifespan of the blade is greatly reduced. You can easily sharpen the blade with a hand file or dremel tool with a chain saw blade kit on it or have the blade sharpened. Best practice is to have one or two extra blades so you can change them as they become dull.

Mar 29, 2012 | Homelite Garden

1 Answer

Need diagram how to install timing chain 2004 Malibu overhead cam


Procedure is pasted below. Please let me know if you have questions.
Removal & Installation2.2L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Drain the cooling system.
  3. Drain the engine oil.
  4. Remove or disconnect the following:
    NOTE The timing chain has 2 matching colored links and 1 uniquely colored link.
    Negative battery cable, PCV hose, Fuel line bracket, Ignition coil and module assembly Ground strap from camshaft cover, Camshaft cover, Front fender liner, Accessory drive belt Crankshaft balancer pulley, Accessory drive belt tensioner, Front cover-to-water pump bolt Remaining front cover bolts, Front cover
  5. Rotate the engine until the crankshaft sprocket mark aligns with the matching colored link (2) at the 5 o-clock position.
  6. Confirm that the INT diamond on the intake camshaft sprocket is aligned with the uniquely colored link at (1) the 2 o-clock position.
  7. Confirm that the EXH triangle on the exhaust camshaft sprocket is aligned with the matching colored link (3).
  8. Remove or disconnect the following:
    NOTE Use a 24 mm wrench to hold the camshafts to prevent them from turning.
    Timing chain tensioner, Fixed timing chain guide access plug, Fixed timing chain guide Upper timing chain guide, Exhaust camshaft sprocket, Timing chain tensioner guide Intake camshaft sprocket, Timing chain through the top of the cylinder head Crankshaft sprocket

    jturcotte_638.jpg

    Fig. Lining up the crankshaft sprocket mark with the colored link in the 5 o-clock position (2).


    jturcotte_639.jpg

    Fig. Aligning the intake camshaft sprocket mark with the colored link in the 2 o-clock position (1).


    jturcotte_640.jpg

    Fig. Aligning the exhaust camshaft sprocket (3).

To install:
  1. Install the crankshaft sprocket with the timing mark in the 5 o-clock position.
  2. Assemble the intake camshaft sprocket to the timing chain with the timing mark lined up with the uniquely colored link (1). Hand tighten a new intake camshaft sprocket bolt.
  3. Lower the timing chain through the opening in the cylinder head.
  4. Route the timing chain around the crankshaft sprocket and line up the first marching colored link (2) with the timing mark on the crankshaft sprocket.
  5. Install the exhaust camshaft sprocket with a new bolt loosely onto the exhaust camshaft.
  6. Align the timing mark on the sprocket with the last matching colored (3).
  7. If necessary, align the camshaft as follows:
    1. Using a 24 mm wrench, first turn the intake camshaft until the alignment feature on the back of the camshaft sprocket seats in the notch in the front of the intake camshaft.
    2. Turn the crankshaft 45 degrees in either direction.
    3. Turn the intake camshaft to the appropriate location.
    4. Turn the crankshaft back to top dead center (TDC).
  8. When the sprocket seats in on the camshaft, tighten the sprocket bolt hand tight.
  9. Verify all of the colored links and the appropriate timing marks are still aligned.
  10. Install the fixed timing chain guide. Tighten the bolts to 133 inch lbs. (15 Nm).
  11. Install the upper timing chain guide. Tighten the bolts to 89 inch lbs. (10 Nm).
  12. Using a 24 mm wrench to hold the camshafts, tighten the camshaft sprocket bolts 63 ft. lbs. (85 Nm) plus 30 degrees.
  13. Measure the timing chain tensioner from end to end. A new tensioner should be supplied in the fully compressed non-active state. A tensioner in the compressed state will measure 2.83 inches (72 mm) front end to end. A tensioner in the active state will measure 3.35 inches (85 mm) from end to end.
  14. If the timing chain tensioner is not in the compressed state, perform the following steps:
    1. Remove the piston assembly from the body of the timing chain tensioner by pulling it out.
    2. Install the bottom half of the Tensioner tool J-45027-2 into a vise.
    3. Install the notch end of the piston assembly into the bottom half of the tensioner tool.
    4. Using the top half of the Tensioner tool J-45027-1, turn the ratchet cylinder into the piston.
    5. Install the compressed piston assembly back into the timing chain tensioner body until it stops at the bottom of the bore. Do not compress the piston assembly against the bottom of the bore.

  15. Install the timing chain tensioner assembly. Tighten to 66 ft. lbs. (75 Nm).
  16. Release the timing chain tensioner by compressing it approximately 0.08 inches (2mm). Feed a rubber-tipped tool down through the cam drive chest to reset on the cam chain. Give the tool a sharp jolt diagonally downwards to release the tensioner.
  17. Install the timing chain oiling nozzle.
  18. Install the timing chain guide bolt access hold plug with silicone sealant on the threads. Tighten the plug to 59 ft. lbs. (90 Nm).
  19. Install or connect the following:

    Camshaft cover. Tighten the bolts to 89 inch lbs. (10 Nm). Front cover with new gasket. Tighten the bolts to 18 ft. lbs. (25 Nm). Accessory drive belt tensioner. Tighten the bolts to 33 ft. lbs. (45 Nm). Crankshaft balancer pulley using a new bolt. Tighten the bolt to 74 ft. lbs. (100 Nm) plus 75 degrees. Accessory drive belt, Front fender liner, Ground strap to camshaft cover Ignition coil and module assembly, Fuel line bracket, Air intake assembly, Negative battery cable
  20. Refill the cooling system to the correct level.
  21. Refill the engine with oil to the correct level.
  22. Start the engine and check for leaks.

    jturcotte_2381.gif

    Fig. Compressing the timing chain tensioner-2.2L engine.

Oct 06, 2011 | 2004 Chevrolet Malibu

1 Answer

How to change a chain


First of all, make sure the saw is off. Also, before removing bolts, make sure the chain brake is not engaged (the chain should move freely).
Remove the guide bar side panel. Using a scwrench or wrench, unscrew the nuts and remove the plate to access the chain.

The side plate on most chainsaws will be held on by two nuts. Loosen the blade adjustment screw (a pin that is usually driven by a screw and pushes the blade out from the chainsaw to keep the chain tension tight).

The old chain is ready to be removed now that the sprocket plate is off of the saw. Pull the nose of the chainsaw's bar away from the chainsaw to release it from the tensioner.

Remove the old chainsaw chain.

The chain will easily remove from the guide bar with all that slack in it. Note the orientation of the cutting edges of the chain so you put the new one on the same way.

Pull the drive links out of the guide bar and slip the other end of the chain around the clutch drum.

Steps to Install a New Chainsaw Chain
Thread the new chain onto the saw.

Carefully thread your new or recently sharpened chainsaw chain around the chainsaw's clutch drum, making sure that the drive links engage in the sprocket.



Thread the rest of the drive links into the guide bar and around its nose, making sure all links are in the guide bar slot.
Align the guide bar.

With the chain properly threaded along the clutch drum and guide bar, put some tension into it by pulling on the nose of the guide bar away from the chainsaw.



While pulling the guide bar, make sure to seat it onto the saw's adjustment pin.

seatpin.jpg
Replace the side plate.

The side plate is ready to go back on as long as the guide bar is properly positioned beneath.

Replace the plate and the nuts that hold it into position, but do not tighten the nuts down all the way yet. The guide bar must be allowed to move a little while the chain is tightened to the correct tension.
Tighten the chain to the correct tension. Use the tensioning screw to the side of the guide bar to adjust the tension on the chainsaw chain.



Finish tightening the side plate nuts.

The chainsaw chain replacement is now complete.


And here is a great overall reference guide to keeping a chainsaw sharp and running. Sharpening a chainsaw chain is a great way to extend the life and is less expensive and easier than replacing a chain. There are small grinding tools (like a dremel) that can be run off a small 12v battery or your vehicle battery that allow for quick 'tune-ups' on your chain if you are out cutting and need to sharpen your chain.
http://www.pcta.org/pdf/STUCHAP2_web.pdf

Aug 28, 2011 | Husqvarna "Chain Saw - 16" Bar, 3 Hp

1 Answer

I need help with chain sharpener #193020


If you have a Dremel tool, Dremel has an attachment to sharpen all types of chain saw chains and lawn mower blades. If you don't have a Dremel you may to consider getting one.

May 16, 2011 | Northern Tool Garden

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

Jan 17, 2011 | Husqvarna , No.455 Rancher, 20" Gas -...

2 Answers

I need to install a bike chain for my 10 speed


Hi
very often you need to replace the rear cluster at the same time as the chain, as it wears to the shape of the old chain and when a new chain is fitted to an old cluster it can sometimes jump, which is not fun if you are standing and pedalling up a hill ( not quite as bad for the ladies)
anyhow remove the old chain by punching a pin out of a link, and lay it on the ground next to the new chain, punch a pin out of the new chain at the same lenght.
Thread the new chain around the cogs and derailleur and fit the joiner, there are some really neat joiners that will just slot together. or you can use the link from when you sized the new chain, just press the pin back through with multy grips, make sure the joiner link is not sticky at all, or it will jump when it goes around the cluster

May 01, 2010 | Mongoose Exile 26 Men's Full-Suspension...

1 Answer

What size file should I use ona Husqvarna 137 chain saw?


The question you ask is dependent on the chain in use not the saw that drives it. To determine what chain is installed we must see the chain. A local seller/mechanic should be willing to answer your question. Lowes will not know!!!

Excerpt from "How To Sharpen a Chain Saw" here follows:
http://www.grounds-mag.com/mag/grounds_maintenance_sharpen_chain_saw_2/

Use the right tools
If you're holding it correctly, a proper-diameter round file simultaneously restores the three different angles of a saw-chain cutter. Different-sized chains and different cutter styles call for different file diameters. It is vital to use the right size file.
In general, 1/4- and 3/8-inch-pitch, low-profile chains call for a 5/32-inch file; 0.325-inch-pitch chains require a 3/16-inch file; and standard 3/8-inch-pitch and 0.404-inch-pitch chains demand a 7/32-inch file. Beware, however, because many exceptions exist. For example, some brands of standard 3/8-inch-pitch chain require a 3/16-inch or 4.5-mm file. Check your chain-saw owner's manual or saw-chain instruction sheet to determine the correct file diameter. If you're not sure, ask your dealer. He also may have literature showing the proper filing angles and special procedures for your chain.
Getting the angles exactly right is not as important as removing all damage from the side plate and top plate and making sure the critical top corner is really sharp. However, for good results, you must consistently hold the file at the correct height and orientation within each cutter. This is difficult to do without some type of file guide.
Like most tools, simpler is better when it comes to file guides. The best guides are plates that drop over the chain. These keep the file at the right height and attitude and have witness marks to show proper top-plate angle alignment. The best thing about this type of guide is that you can see what you're doing. Guide plates that clamp to the file and rest on the cutter top plate also are good, but they tend to obscure your view of the cutter. Whichever guide you select, make sure you get the right model for your chain.

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

Mar 15, 2010 | Husqvarna Garden

1 Answer

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this homelite saw requires homelite chain oil as there is no adjustment.

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Moto tool makes a set of grinding stone wheels with the 3 common sizes, it is the best set up around and cheap to buy.

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