Re: {Collins} 75A PTO Knob Removal



Hi Bill,

Well if the knob is a 10:1 then it is probably an aftermarket or different manufacturers knob.

However, if it is the Collins 4:1 knob with the little crank handle, then you need a Bristol wrench size .096" which is a 6-Flute Spline Blade. Xcelite's number would be 99-66. If you try to use an Allen wrench, you will most likely destroy the Bristol set screws.

Hope this helps,

Joe - Kb9R


Bill & Becky Marvin wrote:
Hi Group   I'm having difficulty removing the Large PTO knob screws (2).  What size set screw wrench does it use??  It is a 10:1 version if that makes any difference.  None of mine fit.

73

Bill KB9IV
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