clutch & brake adjustments

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clutch & brake adjustments

Postby HOTRODSURFER » Fri Sep 08, 2017 5:52 am

I need to adjust the clutch and brakes on my 1970 Cub Lo Boy 154 -since I have no owners manual not sure where to adjust them- :help:
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Re: clutch & brake adjustments

Postby staninlowerAL » Fri Sep 08, 2017 7:17 am

Manuals are available on the forum, free downloads at the QUICK LINKS tab, top left corner of this page.

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Re: clutch & brake adjustments

Postby Eugene » Fri Sep 08, 2017 8:08 am

Obtain the Service Manual and Parts Manual as well as the Operator's Manual for the tractor. Service Manual provides step by step procedures.

You will probably need new clutch brake linings (2 each). The clutch brake linings will probably be the only adjustment needed for the clutch.
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Re: clutch & brake adjustments

Postby BigBill » Tue Dec 26, 2017 10:36 pm

It’s .090” clearance on the throwout bearing and the fingers on the pressure plate. And .010” clearance on the pucks.
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Re: clutch & brake adjustments

Postby tcharger » Tue Apr 03, 2018 12:41 pm

I have a 1973 Loboy and it will only go into 1st or 2nd gear. Sometimes, it will inadvertantly slip into 3rd, but never when I really it to?? Is there a quick adjustment that may fix this? I have a mechanic looking at it later today, but any suggestions would be helpful. I use the machine on our baseball fields and it is great for dragging the infields even if it only shifts to 2nd gear.

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Re: clutch & brake adjustments

Postby gitractorman » Thu Apr 05, 2018 8:00 am

There's a couple of things that happen to these transmissions. One of the most common is that the shifter wears out in the cup/top of the shifter cover, so the handle gets real sloppy. This makes it really hard to find the correct gear and can sometimes wear to the point where you cannot get it into certain gears. Likely what's happened to yours. Another thing that's common, as noted above in this thread, is that the clutch brake buttons wear out, and the drive shaft doesn't stop spinning when you depress the clutch. This makes it hard to get into any gear without grinding. Sometimes 1st, 2nd, and reverse are easier to get into than 3rd, just because there are less gear teeth, so when you start applying pressure to shift into the gear, it catches and goes into gear rather than grinding. Regardless, it's an adjustment/repair/maintenance issue and should be looked at. If not addressed, eventually you'll tear up something you'll wish you hadn't.

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