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#1
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Stihl FS400 strimmer, its me again :)
Hi all,
I got my stihl blade through today, as I do not have a manual, I am not sure how to fit the blade. The parts I got with the blade are; 1 Collar Nut, 1 Thrust washer 4128 which is curved, and 1 Rider Plate 4119 galvanised cup thingy, I think there is a vital part missing. When I phoned the shop an assistant told me its a washer I am missing but I do not think this is right I think the part I am missing has to be something along the lines of a collar because the hole in the middle of the blade is 25.4mm and the bolt on the strimmer for attaching strimmer heads etc is only 12mm, there should be some collar or central bush to slot over the bolt to make up diameter so the blade is kept centred and somehow I do not think a washer is going to do this. Advice please, thanks. Chris |
#2
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Stihl FS400 strimmer, its me again :)
Hi all,
I got my stihl blade through today, as I do not have a manual, I am not sure how to fit the blade. The parts I got with the blade are; 1 Collar Nut, 1 Thrust washer 4128 which is curved, and 1 Rider Plate 4119 galvanised cup thingy, I think there is a vital part missing. When I phoned the shop an assistant told me its a washer I am missing but I do not think this is right I think the part I am missing has to be something along the lines of a collar because the hole in the middle of the blade is 25.4mm and the bolt on the strimmer for attaching strimmer heads etc is only 12mm, there should be some collar or central bush to slot over the bolt to make up diameter so the blade is kept centred and somehow I do not think a washer is going to do this. Advice please, thanks. Chris I am just on the way out but I will check my manual and get back to you tomorrow morning. Regards Howard Neil |
#3
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Stihl FS400 strimmer, its me again :)
"Howard Neil" hneil@REMOVE TO I am just on the way out but I will check my manual and get back to you tomorrow morning. Regards Howard Neil Ok Howard, thanks. With any luck I will have a manual in my possession by next week, I am in the process of ordering one off eaby. Chris. |
#4
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Stihl FS400 strimmer, its me again :)
I got my stihl blade through today, as I do not have a manual, I am not
sure how to fit the blade. The parts I got with the blade are; 1 Collar Nut, 1 Thrust washer 4128 which is curved, and 1 Rider Plate 4119 galvanised cup thingy, I think there is a vital part missing. When I phoned the shop an assistant told me its a washer I am missing but I do not think this is right I think the part I am missing has to be something along the lines of a collar because the hole in the middle of the blade is 25.4mm and the bolt on the strimmer for attaching strimmer heads etc is only 12mm, there should be some collar or central bush to slot over the bolt to make up diameter so the blade is kept centred and somehow I do not think a washer is going to do this. Advice please, thanks. Chris Hi Chris, It sounds as if it is the blade at fault. You have all of the necessary parts shown in the manual and I have confirmed this by taking my blade off. The hole in my blade is 20mm and fits over a raised part of the shaft. This raised part is just under 20mm. If you start with the machine upside down (the obvious position for changing heads/blades), the top of the shaft is threaded. Below that there is a short section which is splined. Then the shaft opens out to a smooth collar (the raised part mentioned above). This collar is only a couple of mm above the flat cover plate (flat plate with hole in middle and with the outside edges turned downwards). Below the cover plate should be a shim and then a circular piece of metal (I am not sure of the official name) with four holes in the surface. It is one of these holes that the stop pin fits into to stop the shaft from moving when changing heads/blades. To fit the blade, I will quote from the manual and then add my own comments for clarity: Cutting blade 230-4, 255-8, Brush knife 300-3 ++ Slip cutting tool over shaft. Important: Cutting edges on cutting blade 255-8 must point clockwise. My note: "clockwise" means viewed from above with the machine turned upside down. ++ Fit thrust washer, convex side facing up. My note: The thrust washer fits over the shaft splines and the top face of the thrust washer must be a little above the splines (I think this is why there is a shim below the cover plate). The reason for this is that the nut, when tightened, exerts pressure on the centre of the thrust washer which then grips the blade. ++ Fit rider plate (for mowing) My note: If you are anything like me, it might be an idea to buy a spare rider plate. They are not expensive and I have been known to break them (they shear where gripped by the nut). ++ Block the output shaft. My note: This means, insert the stop pin to engage the shaft and stop it from moving. ++ Screw on the nut COUNTERCLOCKWISE and tighten down firmly. I hope this either answers your problem or gives you enough information to understand the way the blade fits sufficiently to be able to solve it. If you have any questions, please ask. I will be a little busy today but I will check this newsgroup from time to time (in case). Regards Howard Neil |
#5
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Stihl FS400 strimmer, its me again :)
"Howard Neil" hneil@REMOVE TO REPLY.co.uk wrote in message Hi Howard. Thank you for the prompt reply. I think you are right when you say the blade is at fault, unless Stihl have changed the format and left out a vital component/ adaptor which allows all blades to fit. It sounds as if it is the blade at fault. You have all of the necessary parts shown in the manual and I have confirmed this by taking my blade off. The hole in my blade is 20mm and fits over a raised part of the shaft. This raised part is just under 20mm. As I have all the parts you listed then it would seem that the blade is definitely at fault, the centre hole on the blade is 25.4mm, which is also written on the top of the blade, the blade itself is 230, the full dimensions exactly as written under the word STIHL© on the blade are 230 x 25.4 The odd thing is, there is a bit of paperwork, 2 pages with diagram included inside the blade cardboard packing, it has all the Stihl FS numbers on it up to 200, then it gives FR numbers up to 450, no mention of the FS 400, but on the outside of the actual cardboard packing in which the blade came in, it does give the FS 400 as being one of the machines that the blade fits. I measured the raised collar that you mentioned, using a caliper which read 20mm, which is part of a large washer that has 4 circular recesses in the back to enable changing of heads by using the stop pin. This washer with a fixed shim protrudes the cover plate by some 2mm, so if this is all that there is to hold the blade centrally then I have definitely been sent the wrong blade. No wonder the shop assistant did not phone me back, either the blade was packed in error at the factory which would explain why it was in the wrong packing, or there should be an adaptor included to allow fitting. They charged me £10.00 postage and packing as well, if I had have known in advance that they were going to charge that much I would have picked it up myself. If you start with the machine upside down (the obvious position for changing heads/blades), the top of the shaft is threaded. Below that there is a short section which is splined. Then the shaft opens out to a smooth collar (the raised part mentioned above). This collar is only a couple of mm above the flat cover plate (flat plate with hole in middle and with the outside edges turned downwards). Below the cover plate should be a shim and then a circular piece of metal (I am not sure of the official name) with four holes in the surface. It is one of these holes that the stop pin fits into to stop the shaft from moving when changing heads/blades. To fit the blade, I will quote from the manual and then add my own comments for clarity: Cutting blade 230-4, 255-8, Brush knife 300-3 ++ Slip cutting tool over shaft. Important: Cutting edges on cutting blade 255-8 must point clockwise. My note: "clockwise" means viewed from above with the machine turned upside down. ++ Fit thrust washer, convex side facing up. My note: The thrust washer fits over the shaft splines and the top face of the thrust washer must be a little above the splines (I think this is why there is a shim below the cover plate). The reason for this is that the nut, when tightened, exerts pressure on the centre of the thrust washer which then grips the blade. I fully understand now Howard, the diagram which was included with the blade makes sense at last, I was puzzled initially due to my knowlege of machines in that anything that revolves at a high RPM must have a very secure method of attachment, now I realise, thanks to you, its the blade that is at fault. ++ Fit rider plate (for mowing) My note: If you are anything like me, it might be an idea to buy a spare rider plate. They are not expensive and I have been known to break them (they shear where gripped by the nut). ++ Block the output shaft. My note: This means, insert the stop pin to engage the shaft and stop it from moving. ++ Screw on the nut COUNTERCLOCKWISE and tighten down firmly. I hope this either answers your problem or gives you enough information to understand the way the blade fits sufficiently to be able to solve it. If you have any questions, please ask. I will be a little busy today but I will check this newsgroup from time to time (in case). It certainly has answered my question in full Howard, thank you again, I now know enough to challenge the shop assistant and will demand a refund unless they agree to put matters right at their expense. Regards, Chris. |
#6
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Stihl FS400 strimmer, its me again :)
"Howard Neil" hneil@REMOVE TO REPLY.co.uk wrote in message Hi Howard. Thank you for the prompt reply. I think you are right when you say the blade is at fault, unless Stihl have changed the format and left out a vital component/ adaptor which allows all blades to fit. It sounds as if it is the blade at fault. You have all of the necessary parts shown in the manual and I have confirmed this by taking my blade off. The hole in my blade is 20mm and fits over a raised part of the shaft. This raised part is just under 20mm. As I have all the parts you listed then it would seem that the blade is definitely at fault, the centre hole on the blade is 25.4mm, which is also written on the top of the blade, the blade itself is 230, the full dimensions exactly as written under the word STIHL© on the blade are 230 x 25.4 The odd thing is, there is a bit of paperwork, 2 pages with diagram included inside the blade cardboard packing, it has all the Stihl FS numbers on it up to 200, then it gives FR numbers up to 450, no mention of the FS 400, but on the outside of the actual cardboard packing in which the blade came in, it does give the FS 400 as being one of the machines that the blade fits. I measured the raised collar that you mentioned, using a caliper which read 20mm, which is part of a large washer that has 4 circular recesses in the back to enable changing of heads by using the stop pin. This washer with a fixed shim protrudes the cover plate by some 2mm, so if this is all that there is to hold the blade centrally then I have definitely been sent the wrong blade. No wonder the shop assistant did not phone me back, either the blade was packed in error at the factory which would explain why it was in the wrong packing, or there should be an adaptor included to allow fitting. They charged me £10.00 postage and packing as well, if I had have known in advance that they were going to charge that much I would have picked it up myself. If you start with the machine upside down (the obvious position for changing heads/blades), the top of the shaft is threaded. Below that there is a short section which is splined. Then the shaft opens out to a smooth collar (the raised part mentioned above). This collar is only a couple of mm above the flat cover plate (flat plate with hole in middle and with the outside edges turned downwards). Below the cover plate should be a shim and then a circular piece of metal (I am not sure of the official name) with four holes in the surface. It is one of these holes that the stop pin fits into to stop the shaft from moving when changing heads/blades. To fit the blade, I will quote from the manual and then add my own comments for clarity: Cutting blade 230-4, 255-8, Brush knife 300-3 ++ Slip cutting tool over shaft. Important: Cutting edges on cutting blade 255-8 must point clockwise. My note: "clockwise" means viewed from above with the machine turned upside down. ++ Fit thrust washer, convex side facing up. My note: The thrust washer fits over the shaft splines and the top face of the thrust washer must be a little above the splines (I think this is why there is a shim below the cover plate). The reason for this is that the nut, when tightened, exerts pressure on the centre of the thrust washer which then grips the blade. I fully understand now Howard, the diagram which was included with the blade makes sense at last, I was puzzled initially due to my knowlege of machines in that anything that revolves at a high RPM must have a very secure method of attachment, now I realise, thanks to you, its the blade that is at fault. ++ Fit rider plate (for mowing) My note: If you are anything like me, it might be an idea to buy a spare rider plate. They are not expensive and I have been known to break them (they shear where gripped by the nut). ++ Block the output shaft. My note: This means, insert the stop pin to engage the shaft and stop it from moving. ++ Screw on the nut COUNTERCLOCKWISE and tighten down firmly. I hope this either answers your problem or gives you enough information to understand the way the blade fits sufficiently to be able to solve it. If you have any questions, please ask. I will be a little busy today but I will check this newsgroup from time to time (in case). It certainly has answered my question in full Howard, thank you again, I now know enough to challenge the shop assistant and will demand a refund unless they agree to put matters right at their expense. Regards, Chris. |
#7
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Stihl FS400 strimmer, its me again :)
It certainly has answered my question in full Howard, thank you again, I
now know enough to challenge the shop assistant and will demand a refund unless they agree to put matters right at their expense. Regards, Chris. Good luck. Don't forget to let us know how you get on. Regards Howard Neil |
#8
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Stihl FS400 strimmer, its me again :)
"Howard Neil" hneil@REMOVE TO REPLY.co.uk wrote in message Hi Howard. Thank you for the prompt reply. I think you are right when you say the blade is at fault, unless Stihl have changed the format and left out a vital component/ adaptor which allows all blades to fit. It sounds as if it is the blade at fault. You have all of the necessary parts shown in the manual and I have confirmed this by taking my blade off. The hole in my blade is 20mm and fits over a raised part of the shaft. This raised part is just under 20mm. As I have all the parts you listed then it would seem that the blade is definitely at fault, the centre hole on the blade is 25.4mm, which is also written on the top of the blade, the blade itself is 230, the full dimensions exactly as written under the word STIHL© on the blade are 230 x 25.4 The odd thing is, there is a bit of paperwork, 2 pages with diagram included inside the blade cardboard packing, it has all the Stihl FS numbers on it up to 200, then it gives FR numbers up to 450, no mention of the FS 400, but on the outside of the actual cardboard packing in which the blade came in, it does give the FS 400 as being one of the machines that the blade fits. I measured the raised collar that you mentioned, using a caliper which read 20mm, which is part of a large washer that has 4 circular recesses in the back to enable changing of heads by using the stop pin. This washer with a fixed shim protrudes the cover plate by some 2mm, so if this is all that there is to hold the blade centrally then I have definitely been sent the wrong blade. No wonder the shop assistant did not phone me back, either the blade was packed in error at the factory which would explain why it was in the wrong packing, or there should be an adaptor included to allow fitting. They charged me £10.00 postage and packing as well, if I had have known in advance that they were going to charge that much I would have picked it up myself. If you start with the machine upside down (the obvious position for changing heads/blades), the top of the shaft is threaded. Below that there is a short section which is splined. Then the shaft opens out to a smooth collar (the raised part mentioned above). This collar is only a couple of mm above the flat cover plate (flat plate with hole in middle and with the outside edges turned downwards). Below the cover plate should be a shim and then a circular piece of metal (I am not sure of the official name) with four holes in the surface. It is one of these holes that the stop pin fits into to stop the shaft from moving when changing heads/blades. To fit the blade, I will quote from the manual and then add my own comments for clarity: Cutting blade 230-4, 255-8, Brush knife 300-3 ++ Slip cutting tool over shaft. Important: Cutting edges on cutting blade 255-8 must point clockwise. My note: "clockwise" means viewed from above with the machine turned upside down. ++ Fit thrust washer, convex side facing up. My note: The thrust washer fits over the shaft splines and the top face of the thrust washer must be a little above the splines (I think this is why there is a shim below the cover plate). The reason for this is that the nut, when tightened, exerts pressure on the centre of the thrust washer which then grips the blade. I fully understand now Howard, the diagram which was included with the blade makes sense at last, I was puzzled initially due to my knowlege of machines in that anything that revolves at a high RPM must have a very secure method of attachment, now I realise, thanks to you, its the blade that is at fault. ++ Fit rider plate (for mowing) My note: If you are anything like me, it might be an idea to buy a spare rider plate. They are not expensive and I have been known to break them (they shear where gripped by the nut). ++ Block the output shaft. My note: This means, insert the stop pin to engage the shaft and stop it from moving. ++ Screw on the nut COUNTERCLOCKWISE and tighten down firmly. I hope this either answers your problem or gives you enough information to understand the way the blade fits sufficiently to be able to solve it. If you have any questions, please ask. I will be a little busy today but I will check this newsgroup from time to time (in case). It certainly has answered my question in full Howard, thank you again, I now know enough to challenge the shop assistant and will demand a refund unless they agree to put matters right at their expense. Regards, Chris. |
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