Foot Pedals vs Lever For Hydrostatic Control
wb0ldj
14 years ago
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baymee
14 years agocedgo
14 years agoRelated Discussions
Hydrostat tranny: Basic operating guidelines and characteristics
Comments (8)OK. I have the belt ordered. I found out why the trans selector returns to Neutral when you let go of the lever. There is a mechanism that White calls a "scissors assembly" that operates exactly like scissors (the motion, not the cutting) to force the selector to Neutral when the brake pedal is pushed. The scissors assembly on my machine is lacking some crucial parts (they were there once but not now). The missing items can be viewed by going to your favorite website that has a link to Empart web. Choose White Outdoor > 1993 Garden Tractors > model 143U836H190 GT 185. Go to transaxle drive. Look for the inset that features item # 108 ("scissors mounting bracket"). My machine is missing: item 100 "compression spring", 2 of item 101 friction washers, 2 of item 102 bell washers, and the 5/16" nut and flat washer to secure all the other items onto item 112. Without this "friction grip" action to maintain the selected position, the "spring loaded to center" character of the tranny itself returns the selector to Neutral. I'm thinking of trying to come up with some substitue components to replace the missing items. I feel pretty certain that some shock absorber cup washers (of the right I.D. & O.D. of course) would serve as the "bell" washers. I"m thinking that some thick rubber flat washers with nylon or poly washers to actually "grip" the scissors bracket ( cause I think rubber alone would wear too quickly) A suitable compression spring could be had from a parts house (even Lowe's or Home Depot has a selection). If anybody on this forum is familiar with this topic and would like to throw in......please do....See MoreHydrostatic- hand or foot?
Comments (11)"I bought one of the last of the Sears (AYP) mowers with the foot forward-reverse control, the new ones on display use a hand lever for that purpose. Never have used the hand lever model, think I prefer the foot control. But perhaps some here have used both styles. Which do you prefer and why?" I seem to remember that all of the Sears hydrostat lawn and garden tractors had the fender mounted hand control up until around the 2002 models when the DYT 2000 (or something like that) came out with the two foot controls. Then there was a trend for all of their hydrostat models to have foot controls. Now, it seems, they're going back to the fender control. Less cost, fewer mechanical problems? Don't know. Just remember there was the "rubber pad falling off the foot lever" issue that was finally resolved with a fastener installed in the middle of the pad. And, there were endless debates about whether the fender mounted conrol was better for some than the foot control. And so the cycle is complete! LOL!...See MoreSpeed control lever??
Comments (3)OP - yes that machine has a typical hydro tranny with a fender-mounted control lever. After starting the engine and releasing the clutch pedal, you can slowly move the lever either forward or backward slowly. The further you move the lever, the faster the machine will move (in the direction selected). No need to clutch/declutch each time a change is speed direction is desired. Here is a link that might be useful: 28852 manual...See MoreHydrostatic drive
Comments (8)Sorry. I got hung up(sick) and couldn't get back to the lawn mower. Rdaystrom, I believe you had the right idea. I work nights, but took time this morning to pull wheel off so I could see and work on it. Found the nut with the cartakey that holds the little disc brakes. While tapping the key out with a vice grip and crecent wrench, I bumped the nut and I felt something give. Everything felt looser. I rocked the mower back and forward. Seemed to move some. I adjusted the nut out about a half round and put key in and put wheel on. The mower runs fine now. I will advise later in I have any more problem. Baymee, couldn't see the oil reservoir but saw no sign of leakage. Thanks anyway....See Moredeercub
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