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Anonymous Posted on May 06, 2014

Why does a Stihl hedge trimmer stop after 20minutes

1 Answer

johnny3h

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  • Expert 73 Answers
  • Posted on Sep 12, 2014
johnny3h
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Joined: Feb 14, 2009
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I'm not familiar with your particular machine, BUT...

That symptom can be caused by lack of lubrication leading to main bearing wear and progressing failure.

As the bearings wear, they generate MORE HEAT, which causes metal "swelling," in the beaarings, and thus constriction.

As this problem slowly escalates, it gets to the point that the engine doesn't have enough power to continue to run, BUT...

After the engine has cooled down, it will run again.

IF this is the case in your machine, this problem can't go away, but will continue to escalate until the bearings finally fully seize!!!!!

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Mar 20, 2009

SOURCE: reassembly of trimmer blades to stihl HS 80 hedge trimmer

My request from you was for a schematic of assembly for my stihl HS 80 hedge trimmer. You did not send but rather gave general advice. I solved the problem by calling a small engine repair shop and asked them to fax me a photo copy. You all were of no help and appear more to want money via bait and swithch. THUMBS DOWN to you!

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Anonymous

  • 490 Answers
  • Posted on Apr 28, 2009

SOURCE: stihl hs 45 hedge trimmer primer bulb will not

trace the llines from the primer bulb and check them for leake it is sucking air from somewhere either the lines or the bulb

Anonymous

  • 41 Answers
  • Posted on Jul 11, 2009

SOURCE: gas won't pump through the hedge trimmer

carb may need to be rebult. sounds like a bad diafram hope this helps

Dennis Sharp

  • 154 Answers
  • Posted on Aug 03, 2009

SOURCE: Craftsman 22 in. Electric Hedge Trimmer- blade stopped moving

oil them or loosen bolts and try

Anonymous

  • 1 Answer
  • Posted on Feb 18, 2010

SOURCE: sharpen hedge trimmer blade??

My trick is to make sure that I always lube the blades after each session with a 3/4 engine oil + 1/4 kerosene mix - making sure that every tooth gets a drops or 2, then run it for a seconds to spread the oil & leave the blades overlapping. Doing this allows the blades to self sharpen I've found. 2 stroke oil , unmixed is about the perfect viscosity aswell.

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MY sTIHL hs 81T HEDGE TRIMMER IS DIFFICULT TO START, AND THEN CUTS OUT WHEN THROTTLE IS OPENED AFTER A WHILE

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I have a 14 in. electric chain saw I bought last year and need to download a manual

A hedge trimmer is a type of agricultural or garden tool. And as the name suggests, it is used to trim hedges. There are mainly two types of hedge trimmers - manual and electrical. Amongst these there are some below mentioned variations.

Stand Alone: A stand alone hedge trimmer could be either power driven or manual. The power driven stand alone hedge trimmer uses gasoline or electricity to operate. However, the manual or hedge trimmer driven by human force is best when you consider environmental factors. They are cheaper and easy to operate. Generally gas powered hedge trimmers or electrically powered hedge trimmers are equipped with safety devices. The mechanism is such that they operate only when the operator has both his hands on the handles.

Tractor Mounted: This type of a hedge trimmer is more suitable for pruning of plants and crops. Tractor mounted hedge trimmers either have a movable arm or they do not have a movable arm. The ones without movable arms depend only on rotating blades on a couple of central pivots placed on the tractor's side. Now, these hedge trimmers are best for growing grapes, more specifically for making wine. Small tractors driving between the grape vines are mounted with these type of hedge trimmers, without a movable arm.

Well, this was about hedge trimmers in general. Now lets get down to business. Here's a low down on a few best hedge trimmers. The following is an overview of electrical hedge trimmers comparison.

Hedge Trimmer Reviews

Stihl Hedge Trimmer HS81T: Well, this one is surely up for grabs. Stihl HS81T is a great option for keeping your hedges in a perfect shape. Stihl HS81T is lightweight with balanced design and low vibration levels. It has 24 inch or 30 inch double sided blade length. It's also equipped with rear swivel handle for enhanced comfort at different speeds. The engine power is 0.7 kW and this hedge trimmer weighs between 5.2 kg and 5.4 kg, depending on the blade size. It is good especially for shaping and sculpting your hedge. It does not start on the first pull sometimes, still Stihl is a good option for hedge trimming.

Black & Decker NHT518: Now you would perhaps love this, if you do not want the whole baggage of fuel and electric wires and so on. It is cordless and runs on a battery and 22 inch blades that give a smooth and level cut. It does a neat job of branches less than 1/2 inch thick and you get optional extra battery packs. However, it gets a thumbs down from users with regards to poor battery life. On the other hand the users like the cordless design. Again, they say that it is not as powerful as corded trimmers. Nevertheless, it is lightweight and makes minimum noise. So you can go for it.

Echo HC-150 Petrol Commercial Grade Hedge Trimmer: Well, hopefully most of the users would echo my statement that, Echo is a very efficient hedge trimmer. This is a high performing, commercial grade hedge trimmer powered by petrol. It is a smooth and **** free hedge trimmer and is great for pruning and trimming. Durability is apparently the forte of this Echo hedge trimmer. Superb double reciprocating blades cut on their return and forward strokes, which give a smooth, uniform finish to your hedges. Not a bad choice either!

Makita UH6350 Electric Hedge Trimmer: This is a well designed tool with a great cutting action, according to a magazine on mechanical products. It is light weight and can deal very well with branches upto ½ inch of diameter. Although one of the disadvantage is that you have to bear with a cord and has a single blade operation. A fairly good option if you are thinking of buying a hedge trimmer.

Well, there you go, this was a small list of best hedge trimmers. I hope the hedge trimmers comparison was useful for you.

Take your pick according to your requirements and any hedge trimmer is good so far as it helps you keep your plants in good shape! What say!

samjhana1994.jpg

for mannual download go to
http://www.stihl.de/safety_manuals/en/heckenschere_englisch.pdf
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Hedge trimmer not delivering enough power

Check the condition of the 'spark arrestor' screen on the outlet of the muffler. clean with a wire brush and re-install

I’m happy to assist further over the phone at https://www.6ya.com/expert/rolandw_c013176d62ee17ae

Oct 18, 2009 • Garden
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