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Garden Tractors Discussion Forum

Re: F687 z-trak steering problem

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Author  [Modern View]

05-22-2014 09:23:47

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As they have said none of them run straight on side hills nor rough ground, that is if you define straight as compared to a 4 wheeled lawn tractor. That being said after a few hours several issues make them progressively harder to keep going straight. Wear in the linkages, as somebody said you dont need a 1/2 of slop somewhere to have a problem. 1/8" in the joint under the levers translates into a lot at the handles. Having the correct amount and same pressure in the tires helps too. How many hours is on it? The big money deal is the hydros themselves. Unless the fluid looks bad, or is the wrong type or has never been changed in 1000 hours dont expect miracles from changing it and the filter, nice in theory but seldom see fixes in my world. Real problem is as the hydro motors and pump wear and progressively by-pass more oil the machine becomes more susceptible to being steered by bumps, holes and side hills. My experiance with them in general is that prior to the point that leakage causes issues with travelling speed or torque it will impair steering to the point that something must be done. Depends on the operator(s), some dont care how much they zigzag when cutting. Also depends on how steep the terrain is. Some will repair and replace pumps and motors when the machine gets hard to steer. Biggest problem is unless there is an early life failure seldom does it make financial sense to install new pumps and wheel motors in a high houred unit. Oh you can chase your tail around replacing one, then the other but seldom does the fix for high houred machine occur until both pumps, and both motors have been replaced, just my experience.
This post was edited by Butch(OH) at 09:29:17 05/22/14.

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