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  1. Kevin

    Burnt up sprocket nose on a new 42" bar

    I'm not sure how a .058 chain would burn up a tip on a .063 bar as long as the pitch matched. The chain would be sloppy in the bar which would give you a crooked cut and put wear on the bar and chain but not the tip. From what I can see in the picture you posted your new bar will suffer the same...
  2. Kevin

    Burnt up sprocket nose on a new 42" bar

    There isn't anything wrong with putting a 3/8 tip on a .063 bar as long as the 3/8 pitch chain gauge is .063 to match the bar , not the tip. If you gave me the numbers I asked for it would prove that the pitch on the chain doesn't match the pitch on the bar nose or the pitch on the drive...
  3. Kevin

    Burnt up sprocket nose on a new 42" bar

    Looks like I'm not going to get an answer to my question so I'll call it a .404 chain on a 3/8 bar. The people at Oregon wouldn't be responsible for that.
  4. Kevin

    Burnt up sprocket nose on a new 42" bar

    I haven't replaced one, my bars usually require replacing long before the nose goes. It wouldn't hurt to save a nose or two from spent bars just in case you damage one but I'm not sure if you can purchase single rivets.
  5. Kevin

    Burnt up sprocket nose on a new 42" bar

    The number of teeth on the nose sprocket will prove the pitch and the number on the chain will identify it. I suspect the rim sprocket is damaged as well.
  6. Kevin

    Burnt up sprocket nose on a new 42" bar

    How many teeth on the nose sprocket and what is the number on the chain driver?
  7. Kevin

    Burnt up sprocket nose on a new 42" bar

    Yes, the nose sprockets are universal in gauge.
  8. Kevin

    Burnt up sprocket nose on a new 42" bar

    That looks like pitch to me unless I'm not seeing something in your picture.
  9. Kevin

    Burnt up sprocket nose on a new 42" bar

    That's interesting because I believe the nose sprockets are universal for all gauges.
  10. Kevin

    Burnt up sprocket nose on a new 42" bar

    That would be a contributing factor. I would suggest using a lower viscosity bar lube. If you are manually pumping oil and have the output opened to maximum your oil tank should be close to empty when the fuel tank is empty. Without the manual pump it should be down to at least 1/3 from being...
  11. Kevin

    Burnt up sprocket nose on a new 42" bar

    Are you going through 2/3 a tank of oil to a tank of fuel?
  12. Kevin

    Burnt up sprocket nose on a new 42" bar

    You can always replace the tip, use something like transmission oil or vegetable oil and crank the oil output up to maximum and grease the sprocket often. They make optional oiling systems for the nose on long bars when making lumber just for that reason, the oil just has too far to travel on...
  13. Kevin

    Spar split on me even though notched properly?

    The only time I face a limb is to steer it or lift it. A limb such as the one in the picture gets cut on the bottom, slightly up the sides with the bottom cut and then cut into the bottom of the limb but not enough to pinch the bar. Get on the top cut, wide open and fast and don't stop until the...
  14. Kevin

    Spar split on me even though notched properly?

    If the face closed and stopped from too narrow a face cut it could split out. Not progressing with the back cut can also cause it. If the back cut is partial and the hinge wood is thick, the tree wants to tip but the hinge is holding so the tension is released by splitting the tree.
  15. Kevin

    Tank pressure

    The pump hose line is known for leaking. Remove it, clean it with alcohol and use a little gasket sealer when you put it back together.
  16. Kevin

    ash defoliation mystery

    We have the EAB here in northern Ontario and I know it's across Michigan , all I've been working lately are dead Ash trees from the EAB. Elm and Ash are in decline here.
  17. Kevin

    Dang! Accident, no injuries

    Tom; An open face may have prevented that. Never a single thing that causes an accident.
  18. Kevin

    rip cuts for rigging

    I'll use that when lowering a limb down onto a roof while rigging off a limb above. Set the rigging, make a partial cut and lower the limb slowly allowing the wood to break and continue lowering until just above the roof and stop. I will also butt tie the limb and sometimes tag the end of it to...
  19. Kevin

    Drill for GRCS

    I use the Echo gas drill and it works for me. Let it warm up a minute then go.
  20. Kevin

    Michigan Fatality

    http://www.clickondetroit.com/news/news/...4a/-/index.html Very sad. [ QUOTE ] He was rushing to get paid and go on to the next job." [/ QUOTE ]

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