Husqvarna 445 problems

Husqvarna 445 problems DEFAULT

The Husqvarna , E and E chainsaw service and repair troubleshooting guide will help with the repair and service of a chainsaw not starting or a chainsaw running badly. The carburetor may just need a clean, adjustment or replacing, this guide should help with this. A Service Manual detailing the troubleshooting guide as well as more complete chainsaw repair information is available to download. Also a Parts List, Operator Manual, and carburetor manual are also available to view or download as a PDF which can be read on any device or printed.

Time taken for a medium skilled person to do this is about 30 minutes to 2 hours. The repair fully Covers the following Husqvarna chainsaw models:, E and E.

Husqvarna , E and E Troubleshooting

The various faults that can affect a chainsaw are divided into four groups. In each group, the likely symptoms are given on the left and possible causes are listed on the right. The most likely faults are given first, and so on.

Starting

Difficulty starting

Adjust L screw

Air filter blocked Choke not working Worn choke pivot Worn choke valve Fuel filter blocked Fuel line blocked Piston ring seized

Blocked impulse channel

Carburetor leaking fuel

Loose or faulty fuel pipe Hole in diaphragm Worn needle valve

Needle valve assembly sticking Needle valve set too high Leak in the metering system (air or fuel)

Loose cover on the carburetor pump side

Flooding when engine not running

Worn needle valve set too high

Needle valve assembly sticking

Idling (low rpm)

Idling (low rpm) (cont.)

Idles when L screw closed

Worn needle valve

Leaking control diaphragm/cover

plate

Needle valve assembly sticking Worn needle valve lever Faulty diffuser jet

Idling uneven

Fuel filter blocked

Fuel line blocked

Leaking air intake hose (rubber) Loose carburetor mounting bolts

Worn throttle valve pivot Loose throttle valve screw Worn throttle valve

Needle valve assembly sticking Leak in the metering system (air or fuel)

Metering system center knob is worn

Hole in diaphragm

Leaking control diaphragm/cover

plate

Crankcase leaking

L screw requires constant adjustment

Fuel line blocked

Needle valve set too high Needle valve assembly sticking Leak in the metering system (air or fuel)

Leaking control diaphragm/cover

plate

Faulty diffuser jets Crankcase leaking

Too much fuel at idling

Needle valve set too high Needle valve assembly sticking Metering system damaged Worn needle valve

Leaking control diaphragm/cover

plate

The metering system incorrectly assembled

Will not idle

Adjust L screw

Leaking air intake hose (rubber) Loose carburetor mounting bolts

Loose or faulty fuel hose

Fuel filter blocked

Fuel line blocked

Fuel tank vent blocked Throttle valve pivot stiff Throttle pushrod sticking Defective throttle return spring Bent throttle stop

Faulty diffuser jet

Idling too rich

Adjust L screw Worn needle valve

Needle valve set too high Worn needle valve lever Leaking control diaphragm/cover plate

Needle valve assembly sticking

High rpm

Will not run at full throttle

Adjust H screw Blocked air filter Blocked fuel tank vent Blocked fuel filter Fuel line blocked

Loose or damaged fuel hose Impulse channel leaking Impulse channel blocked

Loose cover on the carburetor pump side

Faulty pump diaphragm Leaking air intake hose (rubber)

Loose carburetor mounting bolts Needle valve set too low Metering system damaged Metering system incorrectly assembled

Leaking control diaphragm/cover

plate

Needle valve assembly sticking Blocked silencer

Low power

Adjust H screw Blocked fuel tank vent Blocked fuel filter

Impulse channel leaking Impulse channel blocked

Loose cover on carburetor pump side

Faulty pump diaphragm

Blocked air filter

Needle valve assembly sticking Leak in the metering system (air or fuel)

The metering system incorrectly assembled

Loose diaphragm rivet Hole in the diaphragm

Leaking control diaphragm/cover

plate

Will not “four- stroke”

Blocked fuel tank vent

Blocked fuel filter

Fuel line blocked

Loose or damaged fuel hose Impulse channel leaking Impulse channel blocked

Loose cover on the carburetor pump side

Faulty pump diaphragm Leaking air intake hose (rubber)

Loose carburetor mounting bolts Needle valve set too low

Leak in metering system (air or fuel) Metering unit incorrectly assembled Loose diaphragm rivet

Hole in diaphragm

Leaking control diaphragm/cover

plate

Acceleration och retardation

Does not accelerate

Adjust L screw Adjust H screw

 

Blocked air filter

Blocked fuel tank vent

 

Blocked fuel filter

Fuel line blocked

Loose or damaged fuel hose Impulse channel blocked

Loose cover on the carburetor pump side

Faulty pump diaphragm Leaking air intake hose (rubber)

Loose carburetor mounting bolts Needle valve set too low Metering system incorrectly assembled

Needle valve assembly sticking Faulty diffuser jets

Blocked silencer

Engine stalls

Adjust L screw

when throttle

Adjust H screw

released

Faulty pump diaphragm

 

Needle valve set too high

 

Needle valve assembly sticking

 

Faulty diffuser jets

Over rich acceleration

Adjust L screw Adjust H screw

 

Blocked air filter

Faulty pump diaphragm Faulty diffuser jets

In addition to the faults described in the above table, troubleshooting can be carried out on specific components or sub-systems of the chainsaw. The various procedures are described in the relevant chapters, see the contents page, as follows:

  • Checking the operation of the chain brake
  • Measuring the resistance of the stop plate
  • Pressure testing the carburetor
  • Pressure testing the decompression valve
  • Pressure testing the cylinder

Troubleshooting and fault finding for Husqvarna e e chainsaw

Sours: https://chainsaw-workshop-manual.com/husqvarnae-ande-troubleshooting/

Husqvarna 18" Chainsaw Problems

I have a Husqvarna 18" chainsaw that has been used to the extent that I have only filled the gas tank times since buying it new at Lowe's last December Yes, I keep the bar chain oil filled and lube the sprocket tip regularly.

The chain constantly tightens and jams the front sprocket. I have lubed and adjusted the chain per the manual to no avail. I have even run the chain looser than I feel comfortable with but inevitably, it will tighten and jam. This has already fried the sprocket on one bar and I had to purchase a replacement. I remove the clutch cover, clean everything out, put the cover back, hand tighten the nut, adjust the chain tensioner and then tighten the cover nut. The thing will run and cut for about minutes, tighten up and eventually the chain will simply stop spinning.

Yesterday I was in the process of cutting down about a 12" diameter maple near the front of our property and near the road. I made the directional cut, made the felling cut about 2 inches above the directional cut and at that time a gust of wind tipped the tree back and jammed the saw. I had to carefully use a wedge to free the saw but then the tree was hung up in the tree next to it. So, now I have a tree that is about to go over and even though my saw is now free, the chain is again jammed. I retreat to a safe place and attempt to remove the clutch cover. It won't come off after I remove the nut. I finally get it off, free up the chain and the sprocket, but now I can't get the cover back on because the band will not seat over the drum. I try and try, to no avail. So, now I have a tree in a precarious position and no saw. I end up having to call a tree service out on an emergency call (it was Sunday) and it costs me $ for them to take the tree down safely before it got blown in the wrong direction and fell into the road and possibly injured someone.

What the heck is up with this saw??? I fairly mechanically inclined but this chainsaw is complete garbage. It has been a pain in the you know what since I bought it. I thought Husqvarna was THE chainsaw to buy and own?

 

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Husqvarna Chainsaw Starting Problems Recipes

FROM TRAIN WRECK TO RUNNING: REPAIRING A HUSQVARNA
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REVIEW: IS HUSQVARNA CHAINSAW REALLY WORTH BUYING
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HOW TO START A HUSQVARNA CHAINSAW - YOUTUBE
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 &#; Starting and stopping the Husqvarna chainsaw is simple. Follow these steps to start and stop a Husqvarna chainsaw to ensure safe usage and a longer life for
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HUSQVARNA , E, AND E STARTER ASSEMBLY REPAIR
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 &#; The Husqvarna , E and E chainsaw service and repair Starter Assembly guide will help with the repair and service of a chainsaw with a starting …
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HOW TO TROUBLESHOOT HUSQVARNA CHAINSAW THAT WON'T …
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Reason Why A Husqvarna Chainsaw Won’t Start. Mechanical tools are bound to develop issues after a period of usage. So if you are a Husqvarna chainsaw owner, …
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COMMON CHAINSAW PROBLEMS SOLVED - HUSQVARNA
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Checking for Compression Problems. If your chainsaw is not starting when you pull the starter rope, and you’ve checked the above, there may be a problem with the compression. A petrol powered chainsaw has several moving parts. To keep these …
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COMMON PROBLEMS WITH HUSQVARNA CHAINSAWS AND …
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 &#; The defective recoil starter assembly is another reason for Husqvarna chainsaw starting problems. This is why it happens… To turn over the chainsaw engine, the recoil starter assembly engages the crankshaft. But if it t’s defective, the …
From denresidence.com
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HUSQVARNA TROUBLE STARTING AFTER RUNNING OUT OF FUEL

 &#; Husqvarna trouble starting after running out of fuel. Thread starter DaveInPhilly; Start date Mar 12, ; Active since , Hearth.com is THE place on the internet for free information and advice about wood stoves, pellet stoves and other energy saving equipment. We strive to provide opinions, articles, discussions and history related to Hearth Products and in a more general sense
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HOW TO START A HUSQVARNA CHAINSAW - HANDY EASY GUIDE ()

 &#; Husqvarna Chainsaw Problems. The problems of the Husqvarna Chainsaw Problems may be similar to Husqvarna problems. How to Choose a Husqvarna Chainsaw. It can appear with much clarity that Husqvarna brand has been in business for a remarkable period. No wonder the wide array of Husqvarna chainsaw models flooding European, Asian and
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HUSQVARNA , E AND E TROUBLESHOOTING - CHAINSAW

 &#; The Husqvarna , E and E chainsaw service and repair troubleshooting guide will help with the repair and service of a chainsaw not starting or a chainsaw running badly. The carburetor may just need a clean, adjustment or replacing, this guide should help with this. A Service Manual detailing the troubleshooting guide as well as more complete chainsaw repair information is …
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Estimated Reading Time 2 mins
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HOW TO ADJUST THE CARBURETOR ON A HUSQVARNA CHAIN SAW

Step 1. Start the Husqvarna chain saw. Watch the chain as it idles and make sure it's not rotating. If the chain is rotating, adjust the carburetor idle speed with the carburetor screws. The screws are located on the carburetor, which is between the fuel tank and the …
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HUSQVARNA CHAINSAW - CHAINSAW WON'T START - REPAIR PARTS

Common solutions for: Husqvarna Chainsaw won't start. 01 - Spark Plug. The spark plug might be defective. To determine if the spark plug is defective, remove the spark plug and inspect it. If the porcelain insulator is cracked, an electrode has been burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark plug. Alternatively, if the spark plug hasn’t been
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HUSQVARNA CHAINSAW - DRUM BRAKE PROBLEM - CR4

 &#; Husqvarna Chainsaw - Drum Brake Problem. 09/12/ PM. I have attempted to adjust the drum brake numerous times with varying success. Worst was when smoke was coming from drum after an extremely short run time. The chain rotates when brake is on or off, forward or to the rearmakes no difference. At least now the drum is not smoking.
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HUSQVARNA PROBLEM | ARBORISTSITE.COM

 &#; husqvarna problem. Thread starter jramey; Start date Jul 25, ; jramey Jul 25, J. jramey New Member. Joined Jul 25, Messages 2 Location georgia . Jul 25, #1 I have a that I bought 2 yrs ago and never had a single problem with it. The last time I used it it ran great but after a couple of hrs when I started into a tree it acted like it was running out of
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HUSQVARNA CHAINSAW | | EREPLACEMENTPARTS.COM

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HUSQVARNA REVIEW: IS THIS YOUR NEXT CHAINSAW? | SAWIST

 &#; More about the Husqvarna This model boasts all the same features of other Husqvarna chainsaw models in a compact form. Coming in at pounds, this saw comes standard with a horsepower engine and an inch bar. If you’re looking for a little more length, the max suggested bar length for this unit is 20 inches, so you could replace the standard bar with one a little …
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NEW HUSQVARNA CHAINSAW | ARBORISTSITE.COM

 &#; I purchased a Husqvarna chainsaw 46cc with an 18 in bar over the weekend yes yes from a box store. Today I was looking over some of the reviews (because I like to work backwards and read reviews before I buy something ) and the reviews were terriable. I am kinda worried about making this purchase. Should I be, or is it because the lack of care some of the other people use. Thanks
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MY HUSQVARNA CHAIN SAW WON'T START WHEN HOT | HUNKER

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HUSQVARNA 16" CHAINSAW STARTING PROBLEMS - BY XWINGACE

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HOW TO TEST THE IGNITION COILS FOR A HUSQVARNA CHAIN SAW

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HUSQVARNA 18" CHAINSAW PROBLEMS - DOITYOURSELF.COM

 &#; Husqvarna 18" Chainsaw Problems. I have a Husqvarna 18" chainsaw that has been used to the extent that I have only filled the gas tank times since buying it new at Lowe's last December Yes, I keep the bar chain oil filled and lube the sprocket tip regularly. The chain constantly tightens and jams the front sprocket.
From doityourself.com
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HOW TO TROUBLESHOOT A WEAK SPARK ON A HUSQVARNA CHAINSAW

There are many different components of the ignition system on a chainsaw and any time these parts aren't working they will misfire in the chamber, which can make starting the chainsaw impossible. A weak spark on a Husqvarna chainsaw can be caused by one of these misfiring components in the ignition system. Properly maintaining and cleaning the saw on a regular basis will prevent most spark
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HUSQVARNA CHAINSAW TROUBLESHOOTING & REPAIR | REPAIR CLINIC

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HUSQVARNA CHAINSAW WON'T START - HOUZZ

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41 RESULTS FOR HUSQVARNA CARBURETOR - EBAY.CA

Amounts shown in italicized text are for items listed in currency other than Canadian dollars and are approximate conversions to Canadian dollars based upon Bloomberg's conversion
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REVIEW | HUSQVARNA CHAINSAW - CHAINSAW JOURNAL

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Sours: https://www.tfrecipes.com/husqvarnachainsaw-starting-problems/
Husqvarna 445 bog issue

Chainsaws

mr hales. I already know what the problem where starting the saw is concerned. I will explain in a moment.  1st.  the transportation ring is the white nylon washer installed over the forward barbolt. it separates the cover from the casting where the bar would normally do this. but since the powerhead ships without the bar installed, they put that white plastic washer on as the spacer and lightly tighten down the bar nuts. 

now the no start. upper management at Husqvarna is replete with the type of complacency that can only be categorized as runaway derelict. I would fire everyone if worked for this bunch.  these geniuses continue to use a supplier that makes CRV's that stick in the open position. they ship brand new saws that can't be started because the valves stick open.  I will explain how to eliminate this issue in just a moment.

when attempting to start the saw, pull the choke until the gate closes.  with choke on, and switch on, leave the CRV closed. if you already pushed it down to open it, then take off the cylinder cover and simply pinch in with your index and thumb to pull the valve back up.  this will close the CRV.  only pull the recoil a couple of times with the choke on, then push the choke back in to close it, which opens the gate.  now sharply pull in short deliberate pulls roughly 6" to 10" pulls, and if it fails to fire, then you must hold the throttle trigger wide open while pulling the recoil.  this will evacuate the excess fuel.  the saw should start just fine now, if it hasn't already.   this procedure will work for you each and every time.

now,  they will send you a new CRV when you *** at the local dealer. you must make the dealer get the CRV because the retards at Husqvarna will ignore you.  but the new CRV will likely do the same thing, so this is how to easily fix the issue.

if you have the small old O-rings from the last time you re-did your fuel injectors, then use one of them.  if not, you can buy a 2 pack at any auto parts store for a $ or 2.  pull the cylinder cover off of the saw and roll the O-ring down over the push button on the CRV until it falls between the topcap and the push button.  the diameter of the hole is way larger than the stem on the CRV so it will be a very sloppy fit.  but the O-ring will act as a limiter when the button is depressed.  it will actually retract the valve just enough to ensure that it will close as the compression rushes thru it and thereby allowing the topend to compress the atomization of fuel/air mixture with enough pressure to light the candle.

I do not represent Husqvarna. I repair/re-build all makes and models of chainsaws professionally.

follow the script and you will have good luck sir.  please be respectful of that little saw, it can disfigure you badly if careless ever. and keep it perfect clean in the clutch/brake cover area. the bartrack and oiler holes must be evacuated often as well.

Sours: http://answerarmy.com/posts/11ade

Problems husqvarna 445

husqvarna problem

jramey said:

I have a that I bought 2 yrs ago and never had a single problem with it. The last time I used it it ran great but after a couple of hrs when I started into a tree it acted like it was running out of gas. It was full. I changed air and fuel filter and put a new plug in it. After an hour or so it started again. Im stumped at what it could be. Anyone else had this problem or know what I should do? Thanks.

Click to expand


There is a separate forum specifically for chainsaws, but I assume you were trying to cut firewood. :cool2:

Likely suspects:
Carb: diaphragms or dirt. Kit & cleaner will handle it.
Fuel/pulse lines: embrittlement & cracks or clogged crankcase port (pulse line)
Ignition: module gets testy with heat; tester inline with plug lead will tell you a lot.
Other: could even have been straight-gassed.

Two-strokes are going to be fussy at times- price you pay for such specific output. Quite different from your Briggs for troubleshooting, and there is a learning-curve; alternative is to pay some due$ at a repair shop.

Proper premix is absolutely essential. Diaphragm carbs are very compact marvels. Saw electronic ignitions are "black boxes" that work or don't; sometimes they have to get heated up to fail. Sheared flywheel key will mess it up.

Google is your friend; I'd search on, for example, [chainsaw loses power site:arboristsite.com] without brackets. This sort of thing is referred elsewhere as "RTFM" "Read The F-ing Manual", meaning research first as possible, then pose questions. Search globally, too; you're certainly not the first to experience such problems. Good luck, and welcome.

 

Sours: https://www.arboristsite.com/threads/husqvarnaproblem/
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