Chains, bars, and sprockets can easily be replaced by the dealer or the owner, and the size of chain when the saw left the factory may not be the size of chain on the saw now.
In addition, the same model saw may have different size chains factory installed during different production periods, or even the same production period.
This chart can help you find a chain for your saw, but you should determine the size of your existing chain and the number of drive links before making a purchase. Caution: The self-sharpening unit must be removed from the saw or serious injury could result. Toggle navigation. Example: Your chain has the number 33RM2 stamped in the side of it.
The following table is quite large, and may take several seconds to load. Count drive lugs on existing chain. Bar Length. Replacement Chain Size. Number of Drive Links. Chain length for 16" may vary depending on make of bar. Chain length may vary depending on make of bar.
Use only with narrow-kerf design bar. Rancher, SS77, 61, 62, 65, 66, 77, , , , , , , , , , , , , , , , , , , , , , , XP, XP, XP. Do not operate this chainsaw unless you have extraordinary cutting needs and experience and specialized training for dealing with kickback. Chainsaws with significantly reduced kickback potential are available.
Be sure to read the labels on a chainsaw before purchasing one. When replacing chain on saws less than 3. Oregon identifies and labels all low-kickback chain with green labels and all NON low kickback chain with yellow labels.
Oregon safety features greatly reduce the hazard of kickback while maintaining high cutting performance. Replacement guide bars and the ANSI standard. The ANSI standard states: Because of differences in replacement guide bars, the following guidelines shall be considered to determine kickback energy: Sprocket nose guide bars with the same effective length, the same number of sprocket nose teeth, and the same pitch may be considered to have equivalent kickback energy; A hard-nose guide bar having the same effective bar length, and the same or smaller nose radius as a sprocket-nose bar, may be considered to have equivalent or less kickback energy than the sprocket nose-bar; Kickback energy of all guide bar types may be considered to be less for smaller nose radius sizes.
Contact Customer Service at or email us at support oregonproducts. Click To Zoom. Close Click To Zoom. This product is only available through retailers or servicing dealers.
Shop Retailers. Chain Pitch is the size of the chain, and is defined as the distance between any three consecutive rivets divided by two. Pitch is important because the drive sprocket must be the same pitch as the chain, and if applicable, the bar nose sprocket.
The easiest way to determine the pitch of your chain is to look at the number stamped on the drive link. Gauge Close. Chain Gauge is the Drive Link's thickness where it fits into the bar groove.
The gauge of the chain and the gauge of the bar must match. Oregon has several gauges for chainsaws - such as,. Normal wear can make it difficult to accurately measure chain gauge on a worn chain. Always order by the number stamped on the drive link of your old chain to assure correct gauge. Drive Links Close.
0コメント