I believe the 445 is a chinese piece of sht. Ran good for a couple months. I've gone over everything possible and IT WILL NOT START. Piece of crap.
@iainhamilton448223 күн бұрын
Excellent instructional video - im just pulling my 051 starter apart to look at same issue. Needed to fall a large tree and no start engage - had to use my jonsered 60cc which was hard work - the 051 would have done it easily.
@breckfreeride27 күн бұрын
Im at 10k asl... Should i do this to get it to run right up here or do i have to rejet?
@cobhc198627 күн бұрын
As far as I know, there is no way to rejet these carbs, you simply adjust the fuel/air mixture with the adjustment screws shown in the video. L screw controls mixture at idle and throttle response and the H screw is the high speed adjustment for wide open throttle. The CS400 does have a rev limited coil, so that makes tuning by ear at WOT a little more difficult because the rev limit sounds a lot like the “4 stroking” sound you would adjust to on a saw without rev limiter, so you want to tune for max power in the cut.
@magicone93272 ай бұрын
The stiff plate on the reed assembly is to stop the reed from over extending.
@magicone93272 ай бұрын
The filter would get sucked into the carb without that stop plate against the carb.
@magicone93272 ай бұрын
The throttle linkage has two similar ends but they are not the same. The carb end is more concentric with its bend. The trigger end is more open on the end so it will slide in or out of the trigger hole.
@kenlewis33332 ай бұрын
Best video I've seen on replacing the fuel line on this chainsaw and some of the Poulan chainsaws that are similar to this one. He actually shows you the steps one needs to take. Recommended
@buckwheat74242 ай бұрын
i know this is 6yrs ago. but did the oil tank still leak after assembly? i went through the same thing to change the line. and no gasket on the tank, well as i was cleaning the surfaces on the tank and case there was fine clear film, and i started to clean it off and then realized after a part of it scraped off, that it was supposed to be there, anyway, forgot how i fixed that it ,went back to work for a few year. maybe 10 but it started leaking lots of oil, now i got it apart again, i think i'm gonna change the clutch bearing if i can find one. thanks, cool video.
@cobhc19862 ай бұрын
Yes, I did have problems with it leaking with Motoseal. I finally solved the problem by using Dirko HT sealant, the same kind that Stihl uses, it’s a little thicker than Motoseal.
@steveayers10533 ай бұрын
Thanks for the video! It helped me take mine apart!
@stevejerebic90723 ай бұрын
Looks like your chain catcher is missing.
@ericfuller63263 ай бұрын
I’ve got a 5700-20 i need to do this to its a real good runner.
@hilltopper6003 ай бұрын
does the recoil side of the saw have to come off?
@cobhc19863 ай бұрын
Yes
@peterb62823 ай бұрын
I have a 445 and have been trying to locate that carb adjustment tool. Everywhere I look it says "No longer available". The spec on the tool is 5mm 20 tooth....I can find 5mm 21 tooth...but not 20. Is it really a 20 tooth ?
@cobhc19863 ай бұрын
Honestly I’ve never counted the teeth, it’s just the “splined” adjustment tool and can be bought individually or with a set that has tools that fit other carbs too. You can find them as a no name, Chinese set on eBay or Amazon. The same splined tool also fits many Poulan products.
@benbradshawjr28564 ай бұрын
My 028 will yours
@benbradshawjr28564 ай бұрын
Holyshit your suxk
@kostassolidakis26795 ай бұрын
Very good vibeo
@MrSprintcat6 ай бұрын
Just what i was looking for thank you sir.i think i might put a small washer in place of the limiter, then the spring ,one question for you i pulled my muffler off my 455, the gasket was between the muffler and the aluminum shield, the shield was right up against the port ,is this normal? The saw is brand new ,i questioned my self ,but you can clearly see the impression up against the aluminum proving the way i pulled it off . The saw is mine from new . So nobody's had the exhaust off . Thank you for the video.
@cobhc19866 ай бұрын
That is the normal location for the exhaust gasket, yes
@markwest22846 ай бұрын
I had rope brake decided to pull it all apart go over everything when I put it back together it wouldn’t engage so I flipped the Pawls over way it went not sure if it will help you or not
@AirheadR608 ай бұрын
thank you for your help fixing my saw
@devin13468 ай бұрын
Fantastic instructional video!
@user-lo4gi7ri4g9 ай бұрын
Skf 5510 seals
@thomasmann917510 ай бұрын
Thanks man. Just had a nice uneventful rebuild which resolved my issue
@MicheleOgilvie-Artist-Teacher10 ай бұрын
Thank you. this is the only video I found that addresses hot and cold starts. Appreciated.
@danfigueroa412410 ай бұрын
Thank you, your video helped tremendously!
@bokbok45411 ай бұрын
Recently put a new carb on my 445. New fuel filter and new plug. Ran great for a little while. For some reason now It won’t throttle. I give it fuel, it just do3/!5 want to go. Swap to old carb and same thing. New gaskets. Any idea what this could be?
@cobhc198611 ай бұрын
Make sure the short piece of fuel line that goes from the carb to the primer bulb isn’t touching a bolt on the back of the cylinder. That happened with mine and it melted a hole in the line
@guspuorro762411 ай бұрын
I have a 445 and it purred like a kitten. Ran it for a minute or so now it wont start??
@kenibnanak5554 Жыл бұрын
It is insane that they designed a system that required removal of over a dozen thingies just to get to the oil line, which they knew would degrade with time and need replacement. That said, pretty much every McCullogh chain saw I have worked on, if the fuel line hoses are dry rotted, so too is the oil pump hose.
@ultralightflyer9849 Жыл бұрын
I have an older 445 that is having the same problems as that one and your informative style and attention to detail will help me tremendously when I attempt the repair. I sharpen my chains in a very similar manner as you do, however I learned through trial and error and a few ruined chains. Thanks for sharing your knowledge in making a great video.
@glemire7511 Жыл бұрын
I purchased my Stihl 026 30 years ago. I had to replace the fuel line this spring ('23). That was the first repair it needed after keeping me warm through 30 Northern Minnesota winters. It's the best investment I ever made.
@bradpotter6401 Жыл бұрын
So how did you get the carburetor to stop leaking?
@cobhc1986 Жыл бұрын
Just carefully tightened the screw holding the pump side cover a little more and continued assembling. I believe the problem here was just that the gasket was new and dry. Once some fuel gets to the carb, the gasket will swell slightly and seal it up. If it had been difficult to tune or wouldn’t run properly after assembly, then I would know that something was still leaking and I’d have to go back into it to investigate
@lcdubs7847 Жыл бұрын
This saw is still available, and the only thing that's really changed is that the handle is now plastic. A real shame.
@divierteknia1918 Жыл бұрын
I have a PM 650J (I do not know what is the differences between 650 model...) from my father. I think it was bought in 1980 here in Spain. I have started the engine, but some adjustment to do because because pretty hard to start, when started revs perfectly, but if stops for some reason very hard again to star (probably some issue with fuel or carburetor operation...). When a turn side the chainsaw engine also stops... I have replace fule line from gas tank to carburetor but.... ... Your video is a great help for me, i order to clean an check if oil line for saw is out of order or not. thanks.
@happydays454 Жыл бұрын
My prime oil works but I cant see oil coming out when revved up . That can't be my oil hose right?
@cobhc1986 Жыл бұрын
These saws have a manual and automatic oiler, the auto oiler works by a diaphragm pump that works by impulse from the crankcase. It’s possible that the diaphragm has become stiff. The auto oiler doesn’t work on mine either, I just use the manual pump
@happydays454 Жыл бұрын
@@cobhc1986 thanks I took apart and the diaphragm looks rounded but no tears I just blew out and put back together I didn't check the impulse , I will just use the manual pump from here on out
@samscott9016 Жыл бұрын
Awesome video
@celine_gjraffe Жыл бұрын
Just got me one from 98'. Classy saw. Handles great. Plenty power
@dersoloist6591 Жыл бұрын
i have the same problem. the automatic oiler does not work. can you make a viedeo how you repair that ? greetings from germany
@cobhc1986 Жыл бұрын
Good idea, I’ll work on that. Thanks!
@rubendoroscan1268 Жыл бұрын
Great video and very informative. But I am having a problem with the throttle. I feel like I put everything back together right. But when I go to throttle, it won't open up. It seems like the throttle cable is too long. I know that's not the case, but I'm lost
@cobhc1986 Жыл бұрын
The conduit that the cable goes through should be held by a little black plastic piece that keeps it from moving. If the cable and conduit popped out of its holder during disassembly or reassembly, that could be the problem. I suggest re-watching the video and pause it on the closeup of the throttle cable then compare it to yours. Is it actually not opening the throttle far enough or is it just running like the throttle isn’t going all the way?
@rubendoroscan1268 Жыл бұрын
@@cobhc1986 I appreciate it. It just won't open up.
@bokbok45411 ай бұрын
@@cobhc1986I will check this.
@victorneckar7743 Жыл бұрын
Just bought one
@carlosfigueira3541 Жыл бұрын
My Frends I'm have one MicLLOC 20'' I need one bobine) ( soneloid) of Motor, give me message se you have, thank. Carlos Figueira
@benbradshawjr2856 Жыл бұрын
It took me yrs to figure out hand filing...my echo cs400 i hand file all the time same with my 372xp...but a clamp n file gives me accuracy when i have time.
@benbradshawjr2856 Жыл бұрын
One of the best huskies in a smaller cc..ive had mine for i thought was 7-8 yrs,here it was 10.finally had carb issues...nice lil saw.
@tomeyssen9674 Жыл бұрын
Thank you for this and the nice closeups. Acquired a nice 445 with start/run problems. Seems like getting excessive air. Noticed that previous tampering had put the plastic screws in the bottom intake to cylinder holes...not even bottemed out. I was sure that was the problem....nope. has to be the carburetor. My anxiety that evening was too much to tackle the "tentacles" of frustrations. But, with your video....whew, I've calmed down now. After getting several 55's running good I thought the 445 would be a "cinch". 1-question: does the front of the carburetor take a gasket....this one does not have one. -thanks, Tom
@cobhc1986 Жыл бұрын
I don’t remember there being a gasket. Also a little tip, make sure that the line going from the carb to the primer bulb is not touching one of the screws that holds the intake to the cylinder. I’ve accidentally made that line too long before, was touching the screw and melted a hole in the line. Also, if someone tampered with the intake and put the wrong screws in, you may want to remove the intake and inspect the intake to cylinder gasket.
@tomeyssen9674 Жыл бұрын
👍👏@@cobhc1986 thank you SO much for the nice comeback...you are awesome....
@breannaoliver63165 ай бұрын
@@cobhc1986 gracias a su video pude arreglar mi motosierra . Se lo agradesco por compartir!!
@ephjay6t87 Жыл бұрын
I let my 445 set for a few years and now it isn't getting fuel. Bulb is stiff. I couldn't figure out how to get the carb out and pulled the whole dang thing apart and still couldn't figure out how to get the carb out. This video helped me a bunch, thank you!
@jimsworthow531 Жыл бұрын
thanks for this; i just got a 605 with non functioning oiler and it looks like someone put used crankcase oil in the bar oil tank. i scraped the bottom of the tank with a screwdriver and it is sticky goo.
@Dboyquicks10 Жыл бұрын
Can anyone tell me the difference between the XL 12 & the Super XL automatic. I was given a XL automatic that needs crankcase seals. I don't need a big saw but hopefully it will be reliable.
@cobhc1986 Жыл бұрын
The xl-12 had manual oil pump only and was 54cc I believe, while the Super XL has both automatic and manual oil pumps and is 57 or 58cc
@Dboyquicks10 Жыл бұрын
@@cobhc1986 great thanks. I love these old saws because my granddad had one. He only had good things to say about them.
@404BOOMER Жыл бұрын
Hi. Just bought this model on Ebay. Its practically new. Starts right up. Runs great. I paid $250.
Пікірлер
I believe the 445 is a chinese piece of sht. Ran good for a couple months. I've gone over everything possible and IT WILL NOT START. Piece of crap.
Excellent instructional video - im just pulling my 051 starter apart to look at same issue. Needed to fall a large tree and no start engage - had to use my jonsered 60cc which was hard work - the 051 would have done it easily.
Im at 10k asl... Should i do this to get it to run right up here or do i have to rejet?
As far as I know, there is no way to rejet these carbs, you simply adjust the fuel/air mixture with the adjustment screws shown in the video. L screw controls mixture at idle and throttle response and the H screw is the high speed adjustment for wide open throttle. The CS400 does have a rev limited coil, so that makes tuning by ear at WOT a little more difficult because the rev limit sounds a lot like the “4 stroking” sound you would adjust to on a saw without rev limiter, so you want to tune for max power in the cut.
The stiff plate on the reed assembly is to stop the reed from over extending.
The filter would get sucked into the carb without that stop plate against the carb.
The throttle linkage has two similar ends but they are not the same. The carb end is more concentric with its bend. The trigger end is more open on the end so it will slide in or out of the trigger hole.
Best video I've seen on replacing the fuel line on this chainsaw and some of the Poulan chainsaws that are similar to this one. He actually shows you the steps one needs to take. Recommended
i know this is 6yrs ago. but did the oil tank still leak after assembly? i went through the same thing to change the line. and no gasket on the tank, well as i was cleaning the surfaces on the tank and case there was fine clear film, and i started to clean it off and then realized after a part of it scraped off, that it was supposed to be there, anyway, forgot how i fixed that it ,went back to work for a few year. maybe 10 but it started leaking lots of oil, now i got it apart again, i think i'm gonna change the clutch bearing if i can find one. thanks, cool video.
Yes, I did have problems with it leaking with Motoseal. I finally solved the problem by using Dirko HT sealant, the same kind that Stihl uses, it’s a little thicker than Motoseal.
Thanks for the video! It helped me take mine apart!
Looks like your chain catcher is missing.
I’ve got a 5700-20 i need to do this to its a real good runner.
does the recoil side of the saw have to come off?
Yes
I have a 445 and have been trying to locate that carb adjustment tool. Everywhere I look it says "No longer available". The spec on the tool is 5mm 20 tooth....I can find 5mm 21 tooth...but not 20. Is it really a 20 tooth ?
Honestly I’ve never counted the teeth, it’s just the “splined” adjustment tool and can be bought individually or with a set that has tools that fit other carbs too. You can find them as a no name, Chinese set on eBay or Amazon. The same splined tool also fits many Poulan products.
My 028 will yours
Holyshit your suxk
Very good vibeo
Just what i was looking for thank you sir.i think i might put a small washer in place of the limiter, then the spring ,one question for you i pulled my muffler off my 455, the gasket was between the muffler and the aluminum shield, the shield was right up against the port ,is this normal? The saw is brand new ,i questioned my self ,but you can clearly see the impression up against the aluminum proving the way i pulled it off . The saw is mine from new . So nobody's had the exhaust off . Thank you for the video.
That is the normal location for the exhaust gasket, yes
I had rope brake decided to pull it all apart go over everything when I put it back together it wouldn’t engage so I flipped the Pawls over way it went not sure if it will help you or not
thank you for your help fixing my saw
Fantastic instructional video!
Skf 5510 seals
Thanks man. Just had a nice uneventful rebuild which resolved my issue
Thank you. this is the only video I found that addresses hot and cold starts. Appreciated.
Thank you, your video helped tremendously!
Recently put a new carb on my 445. New fuel filter and new plug. Ran great for a little while. For some reason now It won’t throttle. I give it fuel, it just do3/!5 want to go. Swap to old carb and same thing. New gaskets. Any idea what this could be?
Make sure the short piece of fuel line that goes from the carb to the primer bulb isn’t touching a bolt on the back of the cylinder. That happened with mine and it melted a hole in the line
I have a 445 and it purred like a kitten. Ran it for a minute or so now it wont start??
It is insane that they designed a system that required removal of over a dozen thingies just to get to the oil line, which they knew would degrade with time and need replacement. That said, pretty much every McCullogh chain saw I have worked on, if the fuel line hoses are dry rotted, so too is the oil pump hose.
I have an older 445 that is having the same problems as that one and your informative style and attention to detail will help me tremendously when I attempt the repair. I sharpen my chains in a very similar manner as you do, however I learned through trial and error and a few ruined chains. Thanks for sharing your knowledge in making a great video.
I purchased my Stihl 026 30 years ago. I had to replace the fuel line this spring ('23). That was the first repair it needed after keeping me warm through 30 Northern Minnesota winters. It's the best investment I ever made.
So how did you get the carburetor to stop leaking?
Just carefully tightened the screw holding the pump side cover a little more and continued assembling. I believe the problem here was just that the gasket was new and dry. Once some fuel gets to the carb, the gasket will swell slightly and seal it up. If it had been difficult to tune or wouldn’t run properly after assembly, then I would know that something was still leaking and I’d have to go back into it to investigate
This saw is still available, and the only thing that's really changed is that the handle is now plastic. A real shame.
I have a PM 650J (I do not know what is the differences between 650 model...) from my father. I think it was bought in 1980 here in Spain. I have started the engine, but some adjustment to do because because pretty hard to start, when started revs perfectly, but if stops for some reason very hard again to star (probably some issue with fuel or carburetor operation...). When a turn side the chainsaw engine also stops... I have replace fule line from gas tank to carburetor but.... ... Your video is a great help for me, i order to clean an check if oil line for saw is out of order or not. thanks.
My prime oil works but I cant see oil coming out when revved up . That can't be my oil hose right?
These saws have a manual and automatic oiler, the auto oiler works by a diaphragm pump that works by impulse from the crankcase. It’s possible that the diaphragm has become stiff. The auto oiler doesn’t work on mine either, I just use the manual pump
@@cobhc1986 thanks I took apart and the diaphragm looks rounded but no tears I just blew out and put back together I didn't check the impulse , I will just use the manual pump from here on out
Awesome video
Just got me one from 98'. Classy saw. Handles great. Plenty power
i have the same problem. the automatic oiler does not work. can you make a viedeo how you repair that ? greetings from germany
Good idea, I’ll work on that. Thanks!
Great video and very informative. But I am having a problem with the throttle. I feel like I put everything back together right. But when I go to throttle, it won't open up. It seems like the throttle cable is too long. I know that's not the case, but I'm lost
The conduit that the cable goes through should be held by a little black plastic piece that keeps it from moving. If the cable and conduit popped out of its holder during disassembly or reassembly, that could be the problem. I suggest re-watching the video and pause it on the closeup of the throttle cable then compare it to yours. Is it actually not opening the throttle far enough or is it just running like the throttle isn’t going all the way?
@@cobhc1986 I appreciate it. It just won't open up.
@@cobhc1986I will check this.
Just bought one
My Frends I'm have one MicLLOC 20'' I need one bobine) ( soneloid) of Motor, give me message se you have, thank. Carlos Figueira
It took me yrs to figure out hand filing...my echo cs400 i hand file all the time same with my 372xp...but a clamp n file gives me accuracy when i have time.
One of the best huskies in a smaller cc..ive had mine for i thought was 7-8 yrs,here it was 10.finally had carb issues...nice lil saw.
Thank you for this and the nice closeups. Acquired a nice 445 with start/run problems. Seems like getting excessive air. Noticed that previous tampering had put the plastic screws in the bottom intake to cylinder holes...not even bottemed out. I was sure that was the problem....nope. has to be the carburetor. My anxiety that evening was too much to tackle the "tentacles" of frustrations. But, with your video....whew, I've calmed down now. After getting several 55's running good I thought the 445 would be a "cinch". 1-question: does the front of the carburetor take a gasket....this one does not have one. -thanks, Tom
I don’t remember there being a gasket. Also a little tip, make sure that the line going from the carb to the primer bulb is not touching one of the screws that holds the intake to the cylinder. I’ve accidentally made that line too long before, was touching the screw and melted a hole in the line. Also, if someone tampered with the intake and put the wrong screws in, you may want to remove the intake and inspect the intake to cylinder gasket.
👍👏@@cobhc1986 thank you SO much for the nice comeback...you are awesome....
@@cobhc1986 gracias a su video pude arreglar mi motosierra . Se lo agradesco por compartir!!
I let my 445 set for a few years and now it isn't getting fuel. Bulb is stiff. I couldn't figure out how to get the carb out and pulled the whole dang thing apart and still couldn't figure out how to get the carb out. This video helped me a bunch, thank you!
thanks for this; i just got a 605 with non functioning oiler and it looks like someone put used crankcase oil in the bar oil tank. i scraped the bottom of the tank with a screwdriver and it is sticky goo.
Can anyone tell me the difference between the XL 12 & the Super XL automatic. I was given a XL automatic that needs crankcase seals. I don't need a big saw but hopefully it will be reliable.
The xl-12 had manual oil pump only and was 54cc I believe, while the Super XL has both automatic and manual oil pumps and is 57 or 58cc
@@cobhc1986 great thanks. I love these old saws because my granddad had one. He only had good things to say about them.
Hi. Just bought this model on Ebay. Its practically new. Starts right up. Runs great. I paid $250.
Thanks for the help!
nice
nice video
Goofy job’s