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300 PTO adjustments

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Levi K

05-17-2006 19:10:16

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Are these the adjustments for the brake and the clutch? If they are which one is which and what way do they turn to make adjustments. Any help would be appriciated.
Levi.

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jeffcat

05-18-2006 08:27:12

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Re: 300 PTO adjustments in reply to Levi K, 05-17-2006 19:10:16

If you try doing the adjustments and still have trouble; well just do the bands. They are not that hard to do and when done everything works much better! Jeffcat

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Wes in Ohio

05-17-2006 20:38:09

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Re: 300 PTO adjustments in reply to Levi K, 05-17-2006 19:10:16

the top one is the brake and the other is your drive band, start with lever in middle of both notches, should be a mark to line up, back each set screw off 4 turns then run both set screws in snug but not over tight, lock your nuts, now move your lever from engage to disengage while trying to spin you pto with a rod if it spins at the mid point of the lever and stops at both engage and disengage you got it right hope this helps
Wes

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Unreserved dick

05-18-2006 01:38:46

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Re: 300 PTO adjustments in reply to Wes in Ohio, 05-17-2006 20:38:09

Actually Wes has it backwards: the top (forward) band is the PTO drive, the bottom (rear) is the brake. The screws in the photo look as though they're screwed in just about as far as they'll go, so it's probable this unit needs new bands.

Big thing on the adjustment is to make sure (engine off) that the PTO shaft rotates freely with the control lever more-or-less in the middle postition -- I like to adjust it so that the drive band is a bit tighter (shaft rotates freely with the lever about 1/3 of its travel up from the braking position). This helps prevent the drive band from slipping under heavy load. Best technique I've found is to turn the individual screws in until the shaft won't rotate properly, then turn that screw back out just enough to allow the shaft to turn properly (lever in middle position).

This is a fussy adjustment at best, and worn bands make it worse. Take your time and good luck. The adjustment is described pretty well in the Operators Manual which is well worth having.

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Levi K

05-18-2006 05:27:12

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Re: 300 PTO adjustments in reply to Unreserved dick, 05-18-2006 01:38:46

Well dick, I was messing around with it before I took this picture. It's off a 460

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Janicholson

05-17-2006 20:24:39

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Re: 300 PTO adjustments in reply to Levi K, 05-17-2006 19:10:16

The best of my recollection:
With the lever 1/2 way between the two notches, (mid stroke) loosen one jamb nut and turn in the screw until it begins to tighten against the drum. Then back it out (I think) 1/2 turn. Then do the same to the other. If it still slips, or does not brake well the adjustment might be tightened in 1/8 turn at a time till it does. If they are screwed in all the way, it needs new bands, or those relined.
Good luck, The book is pretty specific on this process, my directions may be a bit simplified. If it seems to drag the engine, with no load on it, my directions are bad. I do not have the book, it is what I remember. I hope I helped some.
JimN

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