Re: Steering
Posted by David Dewey on Oct. 21, 1998 at 11:17:38
In Reply to: Steering
posted by Jim on Oct. 21, 1998 at 09:32:44
| If you have adjusted the sector to engage the worm properly (and there are two adjustment points for this, the pin the cover plate goes over is ofset, and the special offset two- nuts on one stud) the system is designed to be tight at the center position and increasingly loose towards either end. The reason for this is to allow adjustment for wear, and the greatest wear occures in the straight ahead position (for obvious reasons!) As the center of the worm wears, the looseness on either side decreases. It could be that your worm is just too worn! I have seen this corrected by having a bit taken off the tops of the sector teeth, on the theory that they are bottoming in the worm. I don't know if this actually cures the problem. BTW, properly honed sector bushings actually work better than roller bearings, as the sector shaft isn't hardened enough to take the pin-point pressures that the needle rollers impart (based on discussions w/ tech types that *seem* to be knowledgeable of such things. To do bushings *right* you need undersized bushings and an unworn, or reground, sector shaft, and the bushings honed to fit *that* shaft. Good luck with your steering, there is a good overview of the adjustment proceedure in the Service Bulletins (which, of course assumes the parts are *really* in good condition!) David D. |
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