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Re: timing sickle bar mower ??


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Posted by Leroy on August 07, 2007 at 03:39:20 from (209.143.52.225):

In Reply to: timing sickle bar mower ?? posted by BLW on August 06, 2007 at 07:39:57:

First off you have to determine the make and model of mower. The directions given will not work on all mowers. A standard mower will have a 3" knife section with a 3" guard spacing point to point. Most mowers will have a 3" stroke to the pitman so in register the point of the section will set exactly under the point of the guard on both ends of the stroke. Now to the confusing part some mowers such as the John Deere No. 8, No. 9 & No. 11, possibly others, use a stroke of 3 1/4" instead of the standard 3" so with that it would start at point tip to point tip 1/8" to the left of the first guard going thru that guard and thru the next guard and ending 1/8" past the point to point area of the second guard. Deere got that idea with the thought that the centered guard and section start cutting from a dead stop while going past center ment that the section was already moving when starting to cut and therefore take less power and cut faster.


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