Question about Husqvarna 18" 502cc Prosumer Chain Saw 450

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Chain slips Hello I have a Husqy 350 18" chain. It is about 6 years old. I just replaced the chain. Basically, problem is when I go to cut and put pressure on the chain against the tree the chain slips and engine dies. Chain gets loose then I have to loosen nuts and adjust chain bar. Is the chain bar worn out or are the gears worn? The chain bar does show some wear. Never replaced it since new.

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Your problem statement seems to be chopped off, but apparently, when you go to cut something, the chain just stops turning. Assuming that is so, remove the bar and chain, then wash out the interior of the clutch mechanism with spray carburetor cleaner. Let dry and re-assemble the bar and chain. Make sure the chain is being properly oiled by running the saw at speed with bar tip near some cardboard--it should leave thin line of oil after several moments. Make sure the chain teeth cut toward you on the bottom run of chain. Hope this helps!

Posted on Jul 07, 2010

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1 Answer

18" chain keeps slipping while trying to cut oleanders, Is there some way to make the chain more stable?


You need to adjust your bar & chain tension as described in your user manual. Here is the location if you have misplaced: https://images.worx.com/en-us/manuals/WG300%20WG303%20WG304.pdf.

Basically you will take the "large knob" cover off, tighten the bar tension and put the cover back on. This will provide you with additional adjustment tension as needed.

Mar 23, 2015 | Worx WG304 - 18" Electric Chainsaw

1 Answer

The saw does not cut well at all. I've sharpened the blade and even purchase a new one. Still, I can barely cut through a 6" limb. Ideas?


It could be the clutch. If the chain slows down and the engine does not the clutch is slipping and needs to be replaced.

Sep 23, 2013 | Craftsman 38cc 16" Gas Chain Saw

2 Answers

Chain wont tighten


Pmorrow1975:

When you can't adjust the chain any more, the chain has stretched so far that you will need to remove the chain and replace it, or the tensioner pawl has slipped out of the bar and the chain tensioner will not work. Let's start with the easier solution. First lay the saw on it's left side so the bar is up and you can see two studs with nuts on them. These nuts hold the bar and side cover on. Remove the nuts (a 1/2 inch socket is what you need) and remove the side cover. The side cover holds the chain tensioner. Check to see that when you put the side cover on, the pawl on the chain tensioner fits into the small hole in the bar. If it does not, adjust the chain tensioner screw (below one of the chain retention stud holes in the side cover) until the pawl fits into the hole in the bar, and reinstall the side plate. You'll be able to adjust the chain tension now. If the chain tension is still too loose when the back of the pawl (visible through the slot in the side cover) is at the back of the slot, it is time to replace the chain as it has stretched beyond adjustment parameters.

Hope this helped.

Jul 22, 2012 | Husqvarna 455 Rancher Chainsaw - 20" Bar

1 Answer

No spark when trying to start


If there is no spark with a new plug and the earth cut out wire diss connected from the ignition switch, then it will require a new ignition unit part no. 530039143 ( if it is a Husqy 36/41 )

Feb 26, 2012 | Husqvarna Craftsman 36cc, 16 In. Gas Chain...

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

How to change a timing chain on a fuel injected v8


Same as any other v-8 dis-assemble the front of the engine to get to the timing cover. Loosen the oil pan bolts to allow the timing cover to be slipped out. unbolt and remove the timing cover. Turn the engine over by hand until the dot on the crankshaft gear( the small one) is at the top 12 oclock position, and the dot on the cam gear(large gear) is at the bottom 6 oclock position remove the old cam gear and old chain. Install new gear and chain with the marks in the same places. Re assemble engine. DO NOT be tempted to just put in a new chain, replace the chain and cam gear as a set, wear on the cam gear will cause the chain to be slack, which in turn causes the cam timing to be late.

Mar 12, 2010 | 1992 Chevrolet C1500

1 Answer

Chain Slipping


Your chain would have to be incredibly loose to slip the sprocket. Enough that it would come off the bar before jumping the teeth on the rear sprocket. Highly unlikely.


Jan 01, 2010 | Poulan Wild Thing 2375 18" Gas Chain Saw...

2 Answers

How do I tighten chain on Model Poulan 2050. Can't seem to get tight enough.


Hold the nose up!
c581361.gif Chain Adjustment
  1. Make sure the chain brake is off (gloves will protest your fingers).
  2. If necessary, loosen the bar nuts that are clamping the clutch cover in place (or whatever holds the clutch cover and bar on). They don't need these really loose - finger tight will do.
  3. Ease the tension adjustment until the chain is obviously loose.
  4. Using one hand, hold the nose of the bar up.
  5. While holding the nose up, adjust the tensioner so that the center of the chain just touches the underside of the bar, add a touch more.
  6. Continue holding the nose of the bar up & tighten up the bar nuts / bolts / quick-release system. HTH
Lou

Nov 18, 2009 | Poulan Garden

2 Answers

Bike chain broke on my 21speed promax A series MGX,how do i replace it?


You will need to first determine what the chain broke. If it is because of where you will need to replace the can with a new on. If it was anothe reason then you have a couple options.If you want to repair this yourself you will need to have a bicycle chain tool. Otherwise your local bicycle shop can reinstall the chain for a very low cost, less then the cost of a new chain tool.

If you are going to install it you can remove the bad link and reinstall the chain, however this will likely make you chain too short.

If you are going to replace the chain:
1. Lay the old chain out completely.
2. Cut the new chain the same length as the old chain. If using the quick link provided then make sure to cut the chain with two male ends and make it one link shorter then the original chain.
3.Start installing the chain from the rear derailleur. Start putting the chain in from the lower pulley(wheel on derailleur). Push over the lower pulley and under the upper pulley. Then back up behind and over the cassette (gears on the rear)
4. Now continue pulling the chain to the front. Go through the front derailluer and down around the chainrings.
5. Connect with the other end of the chain.
6.Use the quick link provided with the new chain or push the pin back into the chain (unless in is a shimano chain, then use the provided new pin)

Jul 12, 2009 | Mongoose MGX Maxim Dual Suspension...

1 Answer

Timing chain


If it has not broken or jumped timing you simply remove the valve cover and timing chain tennsioner. Then cut a link out of the old chain on top of the cam gear, then you attach the new chain with the supplied master link and slowly rotate the engine until the old chain has run out and the new chain is in it's place. It's best to have a helper to rotate so you can hold the chain against the cam gear. Once this is done recheck the can timing and do not let the chain slip or you will have to pull the injection pump and retime it. Even if you do it's easier than removing the front cover! Good luck!

Dec 21, 2008 | 1986 Mercedes-Benz 300

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