Question about Husqvarna Chain Saw 20" Bar

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Engine starts blade won't spin

Chain won't spin is there a safety

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The large black plastic bar sticking up is a kick back safety device. Pull it back toward the handle to make sure it has not been engaged. If it is engaged the chain will not move. If that is not the problem then the chain clutch is defective. I am assuming the chain is not too tight.

Posted on Apr 25, 2010

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Posted on Jan 02, 2017

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Just changed blade on chainsaw and now when bar and blade are on it wont rotate the blade. Spindle turns without blade on. What am I doing wrong. ?


Hi, I'm Peter, You may have your chain adjustment too tight. When you adjust the chain you should have it loose enough to where you can pick the chain up and there will be enough slack to where the chain guide that runs in the grove of the bar will be just a little ways down in the grove where you picked it up. If you can't lift the chain up with your fingers to do this it is too tight if you do this and the chain guide comes completely out of the groove then it is too loose. Make sure your chain brake is off also when you try to start the engine. I also pour a little chain oil on the chain and bar before I start it to prevent need less start up wear.
Hope this helps. Peter

May 10, 2016 | Garden

1 Answer

Chain will spin when I put clutch and bar back together start it up chain spins then stops and clutch gets red hot?


or a to thick chain or the chain was not cleaned after use before a long time The chain may be stiff with tree resin, you have the chain anyway can rotate by hand when the machine is not on the safety brake

Jan 30, 2016 | Garden

1 Answer

When cutting with saw sthil 026 it shoots sparks from the bar or chain nothing seems to b blocking bar???


First, don't cut nails as you will dull the blade in seconds. Is the safety anti-kickback bar shoved into position. That applies a chain brake that can spark if you can get the engine started with it engaged. Other than that, inspect for the chain running into stuff it should not. Assuming you have put oil in the chain bar reservoir and pumped the pump a few times to get some pre-lube on the chain & bar;.

Aug 15, 2014 | Garden

1 Answer

I hit a brick, lawnmower won't move help


check for bent crankshaft at blade connection point. do this by removing spark plug and turn the mower on its side with carburator side up, now spin blade by hand and see if it will spin without a wobble. if it does not want to move, something else inside the engine is damaged and probably not worth fixing. if the blade does not spin true, it is a bent crank and might be able to be straightened by a mechanically inclined person without further damage to the motor. also check to see if the piston is moving while spinning the blade if it will turn at all. R

Sep 02, 2012 | Mtd 22" Yard Machine Push Mower

1 Answer

I can't unlock the blade.


Do you mean the chain won't move, or you can't get the blade off? The chain brake must be off to allow the chain to move. The chain brake handle has a housing that engages a gear attached to the chain brake inside the cover where the blade is attached. The brake must be off to remove the cover (usually held on by two nuts). The blade tension screw should be loosened to allow the blade to be removed, then retightened when replacing the blade. Tightening it pushes the blade out from the saw, so if it is tight, you won't be able to remove the blade. Hope this helps.

Aug 27, 2011 | Garden

2 Answers

I changed oil, blade, spark plug,air filter on tecumseh lawn boy 10685 mower...now it will not start!!! gas tank was emptied, per instructions. before changes, it started right up on first pull before...


Hi


Make sure the blade and shaft can easily be moved by hand. First, remove the spark plug wire from the plug. Reach under the mower and see if the blade will turn or if something is stuck between the blade and the mower. Also remember that you have to hold the safety bar when you are starting the mower or the engine won't turn. It is possible that the cable from the safety bar to the engine brake has come loose. Follow the cable from the safety bar to the engine and make sure it is working.Also check whether the line from the gas tank to the engine is crimped?


Also check this link to troubleshoot your problem:-


http://www.ehow.com/how_7363405_troubleshooting-push-mowers.html



Aug 04, 2011 | Tecumseh Lawn Boy Push Mowers Insight...

1 Answer

YARD MAN 42 '' RIDEING MOWER WON'T START PROBABLY SAFETY PROBLEM


safety switches that all riding mowers seem to have include a seat/brake safety which means that you have to be sitting in the seat or the brake must be engaged for it to start. also there is the blade engaged safety, which means the mower will not start normally with the blades engaged.
if you meet those conditions check the switches themselves
non safety related, do you hear a click or a clunk when you turn the key to the start position, this is the starting coil pulling in to send power from the battery to the engine starter, all safety switches will interupt power from the key switch to the starting coil
if you hear the coil energize and the engine does not start you have low battery voltage or loose connection or some other mechanical problem

Jul 03, 2011 | Craftsman 25cc Gas Line Trimmer

1 Answer

Tractor won't start replaced solenoid - get power from key to solenoid but nothing from solenoid to starter. all terminals clean, new battery tks


You have two safety interlocks that must be "made" before the engine will start.
The brake must be engaged.
The blades must be disengaged.
There may be a neutral safety too.
All of these switches must be closed to get ignition.
Gary.

Jun 07, 2011 | Craftsman Garden

2 Answers

I can start chain saw but cannot get chain and blade to move. What would be causing this


Check the chain brake safety mechanism, see if it is jammed or see if chain has come out of track...

Aug 04, 2009 | Garden

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