Join Date: Jan 2016
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Hi-Vac Series 19 - walking speed increases on its own
Hello all. 3 years ago, I bought a nice 2007 Hi-Vac Series 19 walk-behind bagger. It's great, and I was even able to carry forward the Thatcherizer attachment that I had bought used, back in the 90's. But as I walk along in self-propelled mode, the driven disc tends to walk itself out from the center and increase the speed, so I often have to pull the speed control handle back down. I have a small yard, so a lot of walking paths that are not very long, so I often like a slow walking speed.
I guess I have to introduce some resistance into the lever / speed control rod / hex shaft that controls the driven wheel, to keep the wheel from floating out from the center of the drive disc. Shortly after I picked up the mover, I replaced the small ball joint at the bottom of the speed control rod (part # 7015753), which improved the feel of the speed control adjustment, but might have made this a little more noticeable. It's as if the chewed-up old ball joint might have been some resistance against the driven wheel floating out.
But a chewed-up part is not the right way to regulate this, so has anyone run into this with these Snappers, and would you share what worked for you? Thanks.
Last edited by tomlct; 07-31-2020 at 06:14 AM.
Reason: Mis-spelled word in title of thread and in edit comment