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#1
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? Ever since it was new, my two-stroke Sears Craftsman 358351.800 18" 40cc chain saw has been miserable to start and even worse to run. Even when new, I could never release my finger on the trigger for fear of the Craftsman chainsaw conking out and not restarting for another 20 minutes of pulling the string. The Sears Craftsman 358351 chain saw is now about a year old, and I've got only about 3 or 4 hours on it (a few tanks of gas and bar oil) but it now won't even start anymore except when left overnight. Even then, it only runs until I lift my finger off the trigger and it conks out and won't start again. I'm so sorry I didn't read Craftsman chain saw reviews because I'm sure this is a design flaw (maybe because it's a California low-smog chainsaw?). Anyway, I'm stuck with it. I replaced the Champion RCJ7Y spark plug, the felt air filter, and put a newly bought newly mixed 40:1 gasolineil mixture in the tank; but it's STILL hard to start. Following owners manual instructions, I set the choke to full on, I press the accelerator pump 6x, I pull the starter cord 5 times, I set the choke to 1/2 position, I pull the starter cord a half dozen more times, and, more often than not, it does not start. I called Sears' 800 number but they only sell parts; the guy told me to tune the carbeurator but I don't know what that procedure is. Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? |
#2
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Aug 19, 2:57*pm, SF Man wrote:
Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? Ever since it was new, my two-stroke Sears Craftsman 358351.800 18" 40cc chain saw has been miserable to start and even worse to run. Even when new, I could never release my finger on the trigger for fear of the Craftsman chainsaw conking out and not restarting for another 20 minutes of pulling the string. The Sears Craftsman 358351 chain saw is now about a year old, and I've got only about 3 or 4 hours on it (a few tanks of gas and bar oil) but it now won't even start anymore except when left overnight. Even then, it only runs until I lift my finger off the trigger and it conks out and won't start again. I'm so sorry I didn't read Craftsman chain saw reviews because I'm sure this is a design flaw (maybe because it's a California low-smog chainsaw?). * Anyway, I'm stuck with it. I replaced the Champion RCJ7Y spark plug, the felt air filter, and put a newly bought newly mixed 40:1 gasolineil mixture in the tank; but it's STILL hard to start. Following owners manual instructions, I set the choke to full on, I press the accelerator pump 6x, I pull the starter cord 5 times, I set the choke to 1/2 position, I pull the starter cord a half dozen more times, and, more often than not, it does not start. I called Sears' 800 number but they only sell parts; the guy told me to tune the carbeurator but I don't know what that procedure is. Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? I remove the screen spark arrestors on the muffler outlet and it helps, but leaving any gas in it for a few months can gum up a carb, if its under warranty why mess with it , A quick search and I see it has high reviews, dont you have a manual that shows carb settings, sears online should have the manual then clean the carb. |
#3
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Aug 19, 1:57*pm, SF Man wrote:
Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? Ever since it was new, my two-stroke Sears Craftsman 358351.800 18" 40cc chain saw has been miserable to start and even worse to run. Even when new, I could never release my finger on the trigger for fear of the Craftsman chainsaw conking out and not restarting for another 20 minutes of pulling the string. The Sears Craftsman 358351 chain saw is now about a year old, and I've got only about 3 or 4 hours on it (a few tanks of gas and bar oil) but it now won't even start anymore except when left overnight. Even then, it only runs until I lift my finger off the trigger and it conks out and won't start again. I'm so sorry I didn't read Craftsman chain saw reviews because I'm sure this is a design flaw (maybe because it's a California low-smog chainsaw?). * Anyway, I'm stuck with it. I replaced the Champion RCJ7Y spark plug, the felt air filter, and put a newly bought newly mixed 40:1 gasolineil mixture in the tank; but it's STILL hard to start. Following owners manual instructions, I set the choke to full on, I press the accelerator pump 6x, I pull the starter cord 5 times, I set the choke to 1/2 position, I pull the starter cord a half dozen more times, and, more often than not, it does not start. I called Sears' 800 number but they only sell parts; the guy told me to tune the carbeurator but I don't know what that procedure is. Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? == The chainsaw is probably made by Poulon (mine is). Try them...they have operator's manual for download if you could quote a similar model number, == |
#4
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Aug 19, 1:57*pm, SF Man wrote:
Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? Ever since it was new, my two-stroke Sears Craftsman 358351.800 18" 40cc chain saw has been miserable to start and even worse to run. Even when new, I could never release my finger on the trigger for fear of the Craftsman chainsaw conking out and not restarting for another 20 minutes of pulling the string. The Sears Craftsman 358351 chain saw is now about a year old, and I've got only about 3 or 4 hours on it (a few tanks of gas and bar oil) but it now won't even start anymore except when left overnight. Even then, it only runs until I lift my finger off the trigger and it conks out and won't start again. I'm so sorry I didn't read Craftsman chain saw reviews because I'm sure this is a design flaw (maybe because it's a California low-smog chainsaw?). * Anyway, I'm stuck with it. I replaced the Champion RCJ7Y spark plug, the felt air filter, and put a newly bought newly mixed 40:1 gasolineil mixture in the tank; but it's STILL hard to start. Following owners manual instructions, I set the choke to full on, I press the accelerator pump 6x, I pull the starter cord 5 times, I set the choke to 1/2 position, I pull the starter cord a half dozen more times, and, more often than not, it does not start. I called Sears' 800 number but they only sell parts; the guy told me to tune the carbeurator but I don't know what that procedure is. Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? == From fixya.com Try removing the fuel cap for a moment, then try restart. If ok, check the fuel vent for plugging. Check the fuel filter for plugging. Inspect the fuel lines for decay or other damage. Check for spark when it stops--it may be the ignition module failing when hot. Check for sawdust and dirt plugging the ventilation system--blow it out with compressed air. Does the engine 4-stroke at speed when not cutting, but does 2-stroke when cutting? Make sure the chain is being oiled while running. Hope this helps! note: fuel vent is the little hole in the cap. If this hole is completely plugged the motor won't run or will run erratically. == |
#5
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Aug 19, 3:42*pm, Roy wrote:
On Aug 19, 1:57*pm, SF Man wrote: Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? Ever since it was new, my two-stroke Sears Craftsman 358351.800 18" 40cc chain saw has been miserable to start and even worse to run. Even when new, I could never release my finger on the trigger for fear of the Craftsman chainsaw conking out and not restarting for another 20 minutes of pulling the string. The Sears Craftsman 358351 chain saw is now about a year old, and I've got only about 3 or 4 hours on it (a few tanks of gas and bar oil) but it now won't even start anymore except when left overnight. Even then, it only runs until I lift my finger off the trigger and it conks out and won't start again. I'm so sorry I didn't read Craftsman chain saw reviews because I'm sure this is a design flaw (maybe because it's a California low-smog chainsaw?). * Anyway, I'm stuck with it. I replaced the Champion RCJ7Y spark plug, the felt air filter, and put a newly bought newly mixed 40:1 gasolineil mixture in the tank; but it's STILL hard to start. Following owners manual instructions, I set the choke to full on, I press the accelerator pump 6x, I pull the starter cord 5 times, I set the choke to 1/2 position, I pull the starter cord a half dozen more times, and, more often than not, it does not start. I called Sears' 800 number but they only sell parts; the guy told me to tune the carbeurator but I don't know what that procedure is. Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? == The chainsaw is probably made by Poulon (mine is). Try them...they have operator's manual for download if you could quote a similar model number, == Whoops...that should be Poulan...a spellin' error. == |
#6
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Aug 19, 3:57*pm, SF Man wrote:
Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? Ever since it was new, my two-stroke Sears Craftsman 358351.800 18" 40cc chain saw has been miserable to start and even worse to run. Even when new, I could never release my finger on the trigger for fear of the Craftsman chainsaw conking out and not restarting for another 20 minutes of pulling the string. The Sears Craftsman 358351 chain saw is now about a year old, and I've got only about 3 or 4 hours on it (a few tanks of gas and bar oil) but it now won't even start anymore except when left overnight. Even then, it only runs until I lift my finger off the trigger and it conks out and won't start again. I'm so sorry I didn't read Craftsman chain saw reviews because I'm sure this is a design flaw (maybe because it's a California low-smog chainsaw?). * Anyway, I'm stuck with it. I replaced the Champion RCJ7Y spark plug, the felt air filter, and put a newly bought newly mixed 40:1 gasolineil mixture in the tank; but it's STILL hard to start. Following owners manual instructions, I set the choke to full on, I press the accelerator pump 6x, I pull the starter cord 5 times, I set the choke to 1/2 position, I pull the starter cord a half dozen more times, and, more often than not, it does not start. I called Sears' 800 number but they only sell parts; the guy told me to tune the carbeurator but I don't know what that procedure is. Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? It sounds like you are flooding it when you try to start it. Try this way.....first take out the plug and let it sit overnight to make sure ther isn't any gas in cylinder. The next day put the plug back in and only push the primer bulb 2-3 times at most. Turn choke to full. If it don't start within 3 pulls, take the choke off, hold the throttle wide open and pull a few more times. If it stil doesn't start, take it to someone who knows how to adjust your carb. Some carbs need a special tool anyway. If you want to try to adjust it and the stops are not on it, turn both screws clockwise until they stop, then back them both out about 1 1/4 turn, then get it running and adjust both at full speed and idle. Hank |
#7
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
The mush button for the gas is the primer. Try it x2 pushes, instead
of six. Sounds like you're flooding the hell out of it. Look for small slotted screw that turns up the idle (I'm no help to say where that might be). Mix a galon of brand new gas. Use name brand (Mobil, Exxon, Hess, BP) not the cheap brands like Road Apple Quick Fill. Make sure it's not a Champion brand plug. they had a run of defects. I've bought Autolite, or NGK. If it fails to start, look at the spark plug. Wet? Flooded. My gut sense is that you're flooding the system with too much gas. "won't start till the next day" is the clue. Gives the gas a chance to dry out. -- Christopher A. Young Learn more about Jesus www.lds.org .. "SF Man" wrote in message ... Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? Ever since it was new, my two-stroke Sears Craftsman 358351.800 18" 40cc chain saw has been miserable to start and even worse to run. Even when new, I could never release my finger on the trigger for fear of the Craftsman chainsaw conking out and not restarting for another 20 minutes of pulling the string. The Sears Craftsman 358351 chain saw is now about a year old, and I've got only about 3 or 4 hours on it (a few tanks of gas and bar oil) but it now won't even start anymore except when left overnight. Even then, it only runs until I lift my finger off the trigger and it conks out and won't start again. I'm so sorry I didn't read Craftsman chain saw reviews because I'm sure this is a design flaw (maybe because it's a California low-smog chainsaw?). Anyway, I'm stuck with it. I replaced the Champion RCJ7Y spark plug, the felt air filter, and put a newly bought newly mixed 40:1 gasolineil mixture in the tank; but it's STILL hard to start. Following owners manual instructions, I set the choke to full on, I press the accelerator pump 6x, I pull the starter cord 5 times, I set the choke to 1/2 position, I pull the starter cord a half dozen more times, and, more often than not, it does not start. I called Sears' 800 number but they only sell parts; the guy told me to tune the carbeurator but I don't know what that procedure is. Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? |
#8
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Thu, 19 Aug 2010 12:57:45 -0700, SF Man
wrote: Do you know where to find the tune-up procedure for the Sears Craftsman 358.351.800 18 inch chain saw? Ever since it was new, my two-stroke Sears Craftsman 358351.800 18" 40cc chain saw has been miserable to start and even worse to run. Even when new, I could never release my finger on the trigger for fear of the Craftsman chainsaw conking out and not restarting for another 20 minutes of pulling the string. The Sears Craftsman 358351 chain saw is now about a year old, and I've got only about 3 or 4 hours on it (a few tanks of gas and bar oil) but it now won't even start anymore except when left overnight. Even then, it only runs until I lift my finger off the trigger and it conks out and won't start again. I'm so sorry I didn't read Craftsman chain saw reviews because I'm sure this is a design flaw (maybe because it's a California low-smog chainsaw?). Anyway, I'm stuck with it. I replaced the Champion RCJ7Y spark plug, the felt air filter, and put a newly bought newly mixed 40:1 gasolineil mixture in the tank; but it's STILL hard to start. Did you check the plug gap and set it? I'm not a fan of plugs that are pre-gapped. Male sure the plug has the proper heat range. Following owners manual instructions, I set the choke to full on, I press the accelerator pump 6x, I pull the starter cord 5 times, I set the choke to 1/2 position, I pull the starter cord a half dozen more times, and, more often than not, it does not start. Follow the advise given here already about adjusting the carb jet/screws. I tend to adjust them while the engine is running -- tune by ear. If the screws are bottomed-out, usually back it off to 1.25 - 1.5 turns out. That will get you in the ball park. Pierce the gas cap vent hole with a paper clip so make sure the hole is open and vents the fuel tank. |
#9
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Thu, 19 Aug 2010 19:50:07 -0400, "Stormin Mormon"
wrote: Make sure it's not a Champion brand plug. they had a run of defects. I know that happened 30 years ago. That dead horse has bruises? Is there the same issue? Now, today... |
#10
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Thu, 19 Aug 2010 17:34:04 -0700, Oren wrote:
If the screws are bottomed-out, usually back it off to 1.25 - 1.5 turns Your problem may be no spark. Check the coils to see if they're putting out enough voltage. |
#11
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On 2010-08-19, SF Man wrote:
Ever since it was new, my two-stroke Sears Craftsman 358351.800 18" 40cc chain saw has been miserable to start and even worse to run. Even when new, I could never release my finger on the trigger for fear of the Craftsman chainsaw conking out and not restarting for another 20 minutes of pulling the string. That's the day you should have returned it to Sears for exchange or your money back. Doesn't the Craftsman lifetime gaurantee apply to motorized tools? Now you know why I haven't bought a Sears Craftsman anything for 30 yrs! nb |
#12
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Fri, 20 Aug 2010 23:36:49 +0000 (UTC), jm wrote:
Your problem may be no spark. Check the coils to see if they're putting out enough voltage. What's the best way to check if there is spark? |
#13
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Thu, 19 Aug 2010 14:42:04 -0700 (PDT), Roy wrote:
The chainsaw is probably made by Poulan I went to Ace Hardware today and saw some Poulan chain saws ... and you're right I think. The motor looks pretty similar, even down to the muffler and choke and on/off switch arrangement. I'll see if Poulan has a tune up procedure. |
#14
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Thu, 19 Aug 2010 14:54:51 -0700 (PDT), Roy wrote:
Check the fuel filter for plugging. Inspect the fuel lines for decay or other damage. Fuel filter? I didn't know a 2-stroke chain saw has a fuel filter. Gotta look for that. I did clean the whole thing out with compressed air to no avail. Wouldn't even start this morning. Something must have happened as I couldn't start it at all. |
#15
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Thu, 19 Aug 2010 15:28:41 -0700 (PDT), Hustlin' Hank wrote:
Following owners manual instructions, I set the choke to full on, I press the accelerator pump 6x, I pull the starter cord 5 times, I set the choke to 1/2 position, I pull the starter cord a half dozen more times, and, more often than not, it does not start. It sounds like you are flooding it when you try to start it. I understand that 6x is a lot of accelerator pump but it says so in multiple spots on the chain saw covers. The first thing the Sears 800 technical support asked is whether I pressed the bulb six times before doing anything else. Maybe it's a California thing; but 6x is the recommended number. I'm beginning to wonder if I lost spark ... since it has gas and air ... Is there a way to tell if it has a spark? |
#16
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Thu, 19 Aug 2010 19:50:07 -0400, Stormin Mormon wrote:
The mush button for the gas is the primer. Try it x2 pushes, instead of six. Sounds like you're flooding the hell out of it. It would NEVER start with just 2x. The owners manual says to use 6x; the bulb has a 6x embossed just below it; and the complex starting instructions on the sticker on the side say 6x. Even when new, it barely started with 6x. It took more like 8x to 10x. Dunno if it's a California thing or not but it just never ran well. From what people say, I either need to mess with the screws on the carb or I need to find why (if) it doesn't have spark. I can easily mess with the screws (after finding the procedure somewhere) .... but how do I tell if it doesn't have spark? |
#17
Posted to alt.home.repair,rec.autos.tech
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Thu, 19 Aug 2010 19:50:07 -0400, Stormin Mormon wrote:
Make sure it's not a Champion brand plug. they had a run of defects. I've bought Autolite, or NGK. If it fails to start, look at the spark plug. Wet? Flooded. Champion RCJ7Y. None of the stores carried that but they told me a Champion CJ7Y (without the R) is the same thing so that's what I put in there. The plug, when pulled out hot, is dry as a bone so I'm pretty sure flooding isn't the culprit. I'm beginning to suspect either the plugged fuel filter (I didn't know chain saws HAD a fuel filter) or the spark coils are bad. Don't know how to test the coils though. |
#18
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Thu, 19 Aug 2010 17:34:04 -0700, Oren wrote:
Did you check the plug gap and set it? I'm not a fan of plugs that are pre-gapped. Male sure the plug has the proper heat range. The plug went in correctly. The only difference was I couldn't find the Champion RCJ7Y so I had to put in a CJ7Y. Do you think it matters? The store guys said it wouldn't. |
#19
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Fri, 20 Aug 2010 23:48:36 GMT, notbob wrote:
Doesn't the Craftsman lifetime gaurantee apply to motorized tools? AFAIK, the "lifetime guarantee" only applies to tools sans moving parts (for the most part). So, anything with a motor isn't covered. |
#20
Posted to alt.home.repair,rec.autos.tech
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Fri, 20 Aug 2010 20:02:04 -0700, SF Man wrote:
On Thu, 19 Aug 2010 19:50:07 -0400, Stormin Mormon wrote: Make sure it's not a Champion brand plug. they had a run of defects. I've bought Autolite, or NGK. If it fails to start, look at the spark plug. Wet? Flooded. Champion RCJ7Y. None of the stores carried that but they told me a Champion CJ7Y (without the R) is the same thing so that's what I put in there. The plug, when pulled out hot, is dry as a bone so I'm pretty sure flooding isn't the culprit. I'm beginning to suspect either the plugged fuel filter (I didn't know chain saws HAD a fuel filter) or the spark coils are bad. Don't know how to test the coils though. If the plug is hot, it's prbably firing. You can check this by pulling the plug, resting it against some metal and hold the saw steady while you yank the cord (have someone help, just keep them away from the blade!) If it sparks, start looking for fuel not getting there. Um, when I was in telephone support, they told us the FIRST question to ask was, Is it plugged in? I said, "you're kidding!" 30% of most problems were because it wasn't... So, full tank? Fresh gas? And, is the fuel shut off closed? |
#21
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
SF Man wrote:
On Fri, 20 Aug 2010 23:48:36 GMT, notbob wrote: Doesn't the Craftsman lifetime gaurantee apply to motorized tools? AFAIK, the "lifetime guarantee" only applies to tools sans moving parts (for the most part). So, anything with a motor isn't covered. You will have to ground the spark plug which isn't easy with all the plastic on today's chainsaws. I'm assuming you have a good spark though. I imagine what you will find is the typical set to run as lean as possible until it's out of warranty small engine. They do this to pass emissions tests. The carbs aren't adjustable as they come from the factory, some you can pull the plastic stops off the mixture screw and get a little more fuel to them some don't have the adjustment screws anymore. You can buy a new carb cheap on e-bay. cheaper than buying a kit and trying to fix one. With a little luck it will have both low and high speed mixture screws and you can get the chainsaw running better than new. And the fuel lines turn to gum especially with gasohol, and it goes on and on...... If you do get a replacement carb be sure to get the right one for your model engine Unless you like messing with small engines it might be best to find someone that works on them to get it usable. They should know all the tricks. Ask around and find someone that fixes small engines part time or for a hobby otherwise it won't be cost effective. |
#22
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
It is hard for a zebra to change its spots (or some similar quote
atributed to Al Gore.) -- Christopher A. Young Learn more about Jesus www.lds.org .. "Oren" wrote in message ... On Thu, 19 Aug 2010 19:50:07 -0400, "Stormin Mormon" wrote: Make sure it's not a Champion brand plug. they had a run of defects. I know that happened 30 years ago. That dead horse has bruises? Is there the same issue? Now, today... |
#23
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
Sounds like you spend all your time poulan on the start cord?
-- Christopher A. Young Learn more about Jesus www.lds.org .. "SF Man" wrote in message ... On Thu, 19 Aug 2010 14:42:04 -0700 (PDT), Roy wrote: The chainsaw is probably made by Poulan I went to Ace Hardware today and saw some Poulan chain saws ... and you're right I think. The motor looks pretty similar, even down to the muffler and choke and on/off switch arrangement. I'll see if Poulan has a tune up procedure. |
#24
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
Fuel filter is in the gas tank. There is a rubber tube, and the filter
often has a weight, so that it stays on the bottom of the tank, as you tip the saw back and forth. You'll need a paper clip bent into a J-hook to pull the rubber hose and filter out. -- Christopher A. Young Learn more about Jesus www.lds.org .. "SF Man" wrote in message ... On Thu, 19 Aug 2010 14:54:51 -0700 (PDT), Roy wrote: Check the fuel filter for plugging. Inspect the fuel lines for decay or other damage. Fuel filter? I didn't know a 2-stroke chain saw has a fuel filter. Gotta look for that. I did clean the whole thing out with compressed air to no avail. Wouldn't even start this morning. Something must have happened as I couldn't start it at all. |
#25
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Aug 20, 9:55*pm, SF Man wrote:
On Thu, 19 Aug 2010 19:50:07 -0400, Stormin Mormon wrote: The mush button for the gas is the primer. Try it x2 pushes, instead of six. Sounds like you're flooding the hell out of it. It would NEVER start with just 2x. The owners manual says to use 6x; the bulb has a 6x embossed just below it; and the complex starting instructions on the sticker on the side say 6x. Even when new, it barely started with 6x. It took more like 8x to 10x. Dunno if it's a California thing or not but it just never ran well. From what people say, I either need to mess with the screws on the carb or I need to find why (if) it doesn't have spark. I can easily mess with the screws (after finding the procedure somewhere) ... but how do I tell if it doesn't have spark? As far as the run and idle screws...I start at 1 to 1.25 turns backed- out. The carbs on new stuff is pretty much crap these days. |
#26
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
Same as lawn mower. Take the spark plug out, and hold it to a metal
part of the body. Move to a dark area so you can see the spark easier. Switch to "RUN". Pull rip cord, look for spark at the plug gap. -- Christopher A. Young Learn more about Jesus www.lds.org .. "SF Man" wrote in message ... Is there a way to tell if it has a spark? |
#27
Posted to alt.home.repair,rec.autos.tech
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
Hmm. If the spark plug comes out dry, that's a good clue.
You could put a couple drops of gas mix into the spark plug hole and see if it runs for a second or two. I've also sprayed ether on the air filter, that is a symptom check for fuel starvation. Only want to run it for an instant, as the saw relies on the oil mixed in with the gas to lube the crankcase bearings, rod bearings, and piston rings. -- Christopher A. Young Learn more about Jesus www.lds.org .. "SF Man" wrote in message ... The plug, when pulled out hot, is dry as a bone so I'm pretty sure flooding isn't the culprit. I'm beginning to suspect either the plugged fuel filter (I didn't know chain saws HAD a fuel filter) or the spark coils are bad. Don't know how to test the coils though. |
#28
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On 2010-08-21, SF Man wrote:
On Fri, 20 Aug 2010 23:48:36 GMT, notbob wrote: Doesn't the Craftsman lifetime gaurantee apply to motorized tools? AFAIK, the "lifetime guarantee" only applies to tools sans moving parts (for the most part). So, anything with a motor isn't covered. The last time I held Sears to their gaurantee was on a Craftman electric weed eater. The design was such that after new line was let out via the bump line release (which worked pretty well), a blade on a plastic bracket was suppose to cut the line to proper length while it was spinning. The down side was, the design was such that it was a crap shot as to whether the new line would hit the bracket or the blade. If it hit the bracket, the bracket was flimsey enough to snap right off. Sure enough, eventually the new line took out the braket and blade together and I returned the entire unit to Sears, whereupon the gave me a brand new trimmer, no questions asked. Sweet. Unfortunately, the design had not changed and after about and hour of hard use with the new trimmer, the line whacked off the entire bracket once again. Perhaps their gaurantee no longer applies to "moving part" tools as you suggest, but it matters not. That was 30 yrs ago and the last Craftman tool I've ever bought other than an occasional screwdriver or nutdriver. In all fairness, those "driver" hand tools are pretty good for the price. They also used to make awesome roll-away tool boxes. I once worked at a small start-up company that had a dozen mech-techs sharing the company's tools out of a couple Craftsman roll-away tool boxes. Those boxes were abused unmercifully, drawers being yanked open and slammed shut a thousand times per day. I was in awe of how well they held up and ending up buying a pair for myself. I still have it and it's an excellent product. I can't say if they are still as well made, today. nb |
#29
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Aug 21, 7:04*am, "Stormin Mormon"
wrote: Same as lawn mower. Take the spark plug out, and hold it to a metal part of the body. Hard to do on a chainsaw while holding the saw, the plug, the pull cord, and snatching all at the same time. I made a short cord to do the trick. Has a standard alligator clip on one end and a battery cable clip on the other. The battery cable clip clamps to the spark plug body and the alligator clip to any convenient piece of metal on the motor. That frees up my hands for other things and keeps me from getting shocked. |
#30
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
Red wrote:
On Aug 21, 7:04*am, "Stormin Mormon" wrote: Same as lawn mower. Take the spark plug out, and hold it to a metal part of the body. Hard to do on a chainsaw while holding the saw, the plug, the pull cord, and snatching all at the same time. I made a short cord to do the trick. Has a standard alligator clip on one end and a battery cable clip on the other. The battery cable clip clamps to the spark plug body and the alligator clip to any convenient piece of metal on the motor. That frees up my hands for other things and keeps me from getting shocked. They also make a spark plug tester that even allows you to adjust a gap to see if your spark is strong enough-- Unless you do it often, knowing whether you just have a spark-- or a 'strong spark' - is guesswork. I'm sure a Google search for spark plug tester will turn up several tools- Jim |
#31
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
SF Man wrote:
On Thu, 19 Aug 2010 19:50:07 -0400, Stormin Mormon wrote: Make sure it's not a Champion brand plug. they had a run of defects. I've bought Autolite, or NGK. If it fails to start, look at the spark plug. Wet? Flooded. Champion RCJ7Y. None of the stores carried that but they told me a Champion CJ7Y (without the R) is the same thing so that's what I put in there. The R means it has a series resistor for EMI suppression. Probably does not make much difference either way. The plug, when pulled out hot, is dry as a bone so I'm pretty sure flooding isn't the culprit. I'm beginning to suspect either the plugged fuel filter (I didn't know chain saws HAD a fuel filter) or the spark coils are bad. Don't know how to test the coils though. Turn the thing over with the plug removed from the engine, but sitting on top of the engine to make good electrical contact. If you see a nice hot spark, you have good magnetos. If you don't see a spark, your magneto or points have an issue. Magnetos don't fail very often, but it happens. Fuel systems clog all the time, constantly. --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
#32
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Sat, 21 Aug 2010 08:02:42 -0400, Stormin Mormon wrote:
J-hook to pull the rubber hose and filter out. Come to think of it, the chain saw DID start blurbling in a deep bass sound when I was tilting it while running. It no longer runs. I will check out this hidden fuel filter and clean it out with compressed air if I can. |
#33
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Sat, 21 Aug 2010 14:41:54 GMT, notbob wrote:
The last time I held Sears to their gaurantee They have a regular 1 year guarantee on the Craftsman chain saw. The "hand tools" have the lifetime warranty, but the Craftsman lifetime warranty does not cover power tools. http://en.wikipedia.org/wiki/Craftsman_%28tools%29 |
#34
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Sat, 21 Aug 2010 05:05:59 -0500, FatterDumber& Happier Moe wrote:
You will have to ground the spark plug which isn't easy I thought the same thing. It's hard enough to START the thing, with one foot in the base of the handle, one hand on the top handle, and the other pulling the cord. But, it turned out to be (accidentally) easy ... because I had removed the plug to test it. Putting the chain saw on the shop bench, turning the lights off, and pulling the cord was easy (sans compression). It sparks like a champ. Thanks for teaching me that trick. Next I'll try the fuel filter to see if it's 'clogged'. I do see a clear plastic hose, about a millimeter or two in diameter, that I'll try to fish out and clean with compressed air & report back. Thanks for the hints! |
#35
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Sat, 21 Aug 2010 12:10:45 -0700, SF Man wrote:
Next I'll try the fuel filter to see if it's 'clogged'. Using a paper clip, I fished out the clear plastic fuel line out of the fuel tank of the Craftsman chain saw. On the end of the fuel line was a 1-inch long white cylindrical tube of the strangest material. Not hard like diatomaceous earth but not soft like felt. Dunno what it's made out of. It does not seem dirty in the least nor does it appear to be 'clogged'. I blew on the end as the tip is smaller than the opening in my compressor air gun. I could put the fuel line temporarily back in without the filter to prove it's not clogged but it really doesn't appear clogged in the least. I don't see ANY sediment whatsoever nor is there undue 'resistance' when I blow on it (there is some resistance but I assume that's from the filtering element). I do see some "screws" near the carbeurator ... so I guess that's my next debugging step ... and to doublecheck if sawdust clogged some air hole somewhere (it's pretty clean as I blew it off with the compressor before taking the covers off). |
#36
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Sat, 21 Aug 2010 12:22:23 -0700, SF Man wrote:
I could put the fuel line temporarily back in without the filter to prove it's not clogged but it really doesn't appear clogged in the least. I accidentally found I could test if the fuel line was clogged by pressing the accelerator pump bulb a few times with the two or three inch fuel hose out of the tank in the air with the filter attached. The gas in the line went into the bulb until the line was dry as I continually pressed the bulb. Then I dropped the attached fuel filter into the gas tank and continued to press the bulb a few times and it filled up with gas. So, the fuel filter and fuel line aren't clogged. BTW, in hindsight, I knew this because the bulb filled with gas every time. If the fuel line were clogged, I would think the bulb would have been harder to fill with gas. Anyway, it's not the fuel line in the tank. And, it's not the spark to the plug. So, I'm pretty much left with the fuel ratio at this point. I guess it could be compression or timing. Is there a test for two-stroke compression & timing? |
#37
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Sat, 21 Aug 2010 12:28:19 -0700, SF Man wrote:
So, the fuel filter and fuel line aren't clogged. With the starter cord removed in the Craftsman 18 inch chain saw (358351800), I cleaned things out and noticed there are three separate fuel lines; but they all seem clear. 1. The thinner fuel line starts at the filter in the gas tank and goes to the bottom of the carbeurator. 2. It comes out the side of the carb with a thicker line and goes into the accelerator pump bulb. 3. Then it comes out of the accelerator pump bulb, again with a thicker line, and ends up near the choke plate. There are two side-by-side plates; one is for the throttle; the other is for the choke. They appear to be working properly when I manipulate the controls. The choke plate has a hole drilled in it so you can't totally choke off the air. So far, I can only find ONE screw with a spring on it which seems to be an adjusting screw. I will go back and look for the other. BTW, I tested 'compression' with my thumb as I pulled on the starter cord before removing it and there was only a slight puff ... I wonder how to test compression and timing on a two stroke? Do these things have points? |
#38
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Sat, 21 Aug 2010 12:49:13 -0700, SF Man wrote:
So far, I can only find ONE screw with a spring on it which seems to be an adjusting screw. I will go back and look for the other. The one adjusting screw seems to be at the level of the choke. Surprisingly, I counted 8 full revolutions before it bottomed out. I'm SURPRISED because I was expecting only one or two turns based on the adjustment procedure people said here (to back it out one turn). Does 8 turns to bottom the adjusting screw for the choke plate seem odd to you? Should I still just back it out ONE turn? |
#39
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
"SF Man" wrote in message ... On Thu, 19 Aug 2010 19:50:07 -0400, Stormin Mormon wrote: Make sure it's not a Champion brand plug. they had a run of defects. I've bought Autolite, or NGK. If it fails to start, look at the spark plug. Wet? Flooded. Champion RCJ7Y. None of the stores carried that but they told me a Champion CJ7Y (without the R) is the same thing so that's what I put in there. The plug, when pulled out hot, is dry as a bone so I'm pretty sure flooding isn't the culprit. I'm beginning to suspect either the plugged fuel filter (I didn't know chain saws HAD a fuel filter) or the spark coils are bad. Don't know how to test the coils though. Husqvarna, and some other chain saws, have had problems with the plastic gas line inside the gas tank cracking. When it does, the saw will be hard to start or not start at all. In many of these saws it is easy to replace the plastic tube with one of better quality, and replace the filter at the same time. A saw shop can do it for you, if yours is bad, or will sell you the improved fuel line. You can check the ignition by pulling the start cord and observing the spark plug gap. Naturally you have removed the plug and have it touching the electrical ground of the chainsaw. |
#40
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How do you "tune up" a hard-to-start Craftsman 18" chainsaw
On Sat, 21 Aug 2010 12:53:22 -0700, SF Man wrote:
Does 8 turns to bottom the adjusting screw for the choke plate seem odd to you? Should I still just back it out ONE turn? I looked all over. Maybe because it's a California chain saw, but I only see a single adjustment screw near the choke plate. Not two adjusting screws. I screwed it out 1 1/2 turns. Also I removed, as suggested, the baffle plate on the exhaust and the brass screen, both of which were sooty but otherwise wholly clear. I'll see if that works. |
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