Question about Ryobi 18-inch Electric Chainsaw Chain Saws

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My Ryobi chainsaw PCN 4545 overheated

Hello, I have a Ryobi chainsaw PCN 4545. The brake appears to have been binding and the resulting over heating has melted the internal casing. Is this repairable and is this a common fault. Thanks for any help/advice.

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Mine did the same - dangerous and a waste of money ..avoid like the plague

Posted on Feb 17, 2013

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Sawdust/dirt build-up helps cause this situation. Usually, the band is deformed so that it drags. The melted case parts may or may not need replacement, but will likely need trimming. The band usually does as it is difficult to remove the small bends in it. After repair, make sure the chain turns freely by hand. Set and reset the brake several times to make sure it works correctly. The clutch outer drum rarely deforms when this happens. Hope this helps!

Posted on Jul 14, 2010

Testimonial: "Thanks for the advice. The casing has melted and is beyond economic repair dispite very limited use. I would advise anyone thinking of bying one of these chainsaws to steer well clear of them as this is a common fault. Buy a McCullock chainsaw."

  • gibcam Dec 14, 2013

    Having takn mine apart I can say that the problem is poor lubrication to end bearings the engine issensitive to fuel mix and age of mix also by the look of it. However running bearings in plastic is just plain stupid, Never again Ryobi.



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Repair manual for ryobi pcn4040 chainsaw

Got the same problem. narrowed it down to the tension spring in the brake handle you can buy then for around £4 of the internet. as yet i haven't figured out how to replace it yet.

Apr 13, 2012 | Ryobi Garden

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PCN 4545 Chainsaw I unfortunately used unleaded petrol instead of 2 stroke, now can not get saw to start, is it game over for carberette?

Hi, it won't affect the carby which I'm afraid is the only good news. It will need a new piston and probably a cylinder. Depending on the price of these parts to suit your model it may not be worth repairing. Sorry Phil.

Jun 20, 2011 | Ryobi 18-inch Electric Chainsaw Chain Saws

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My pcn 4545 chainsaw has started to over rev upon starting. The idle adjusting screw is backed off all the way and not the cause of the problem. Can you please tell me how can this be corrected and...

Remove the air cleaner and watch the throttle arm on the carburetor while operating the throttle trigger--suspect that the trigger assembly has acquired sawdust and dirt sufficient to limit proper travel of the trigger mechanism. Careful notes as you dis-assemble the trigger will help get it back together properly. There is little except proper maintenance to prevent debris accumulation in the trigger mechanism. Note: air leakage behind the carburetor can also cause high idle speeds--make sure the carburetor is fastened securely and that there are no flaws in the gaskets and heat insulator located behind the carburetor. Hope this helps!

Jul 13, 2010 | Ryobi 18-inch Electric Chainsaw Chain Saws

2 Answers

Hi, I have a Ryobi PCN 4545 petrol Chainsaw that i have owned for about 4 years with little use. I went on a Chainsaw users course over the weekend and took the saw on the instructors recommendation....
You probably don't want to hear this, but there have been many many problems with this unit. It is now, discontinued, Personally, I would get another one, any other one. To have any chance of any type of repair, you must get a service and repair manual. I have searched extensively but have been unable to find any manuals other than the User, one supplied.
Above is an exploded parts diagram, that should be of some help.

May 25, 2010 | Garden

1 Answer

Carnt keep ryobi pcn 4545 running when i increse the power

How do you increase the power to an electric saw? By your question, I'm assuming a fueled engine model. Check the fuel filter, air filter, and muffler for any plugging. Check condition of fuel lines and tightness of carburetor fasteners. If no help, turn the H jet needle CCW about 1/4 turn--which should result in the engine 4-stroking. Will the engine now run at speed (but not as fast as before)? If ok, warm the engine up, open the throttle and adjust H CW until the engine speeds up somewhat, but still 4-stroking. Proper adjustment is when the engine 4-strokes, but immediately 2-strokes when cutting. This produces best power and least heat! Hope this helps!

Apr 26, 2010 | Ryobi 18-inch Electric Chainsaw Chain Saws

1 Answer

How to change the oil pump on the chainsaw model pcn 4545

I could not find anything matching the number you provided. I did find an electric saw "RY43006 Chain Saw" here (follow the instructions):
Homelite/ (authorized parts supplier) - Agree; Choose “Product Line”; “Select OEM” & “Select Catalog” both to “Homelite Consumer Products”. A drop down list appears; self explanatory from here.
The numbers Homelite & Ryobi use do not match the numbers everyone posts. A careful inspection of your saw should find something that matches.

I think with the IPL as a disassembly guide replacement is pretty easy. There are a couple of hoses listed, I suspect one of them failed rather than the pump.

If this is not your saw please provide some different numbers (reply below) and I will try again. Good Luck. HTH

Feb 25, 2010 | Ryobi 18-inch Electric Chainsaw Chain Saws

1 Answer

I have a ryobi chain saw PCN 4545 - won't fire. Is there soemthing simple I'm not doing. Has worked efficiently for 2 years. Don't think it's flooded. Does it have a spark plug ? Would appreciate soem...


Oct 03, 2009 | Ryobi 18-inch Electric Chainsaw Chain Saws

1 Answer

Same problem as olliee69

Bar oil is delivered to the chain threw a port, usually at the top side of the bar. I recommend removing the bar, apply air pressure to the tank that holds the bar oil. It may flush out debris in this port.

Nov 12, 2008 | Garden

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