Posted by 135 Fan on February 15, 2011 at 22:39:26 from (68.149.56.30):
In Reply to: Re: 743 posted by terry wh on February 15, 2011 at 17:03:34:
It could be the aux. hydraulics were accidently engaged. Is there a big middle foot pedal for the aux, hydraulics? If so, they usually lock down in the forward position and it's very easy to accidently lock it in when getting in or out of the machine. The machine will labour and be harder to start if the aux. hyd's. are engaged. I've had that happen on my skid steer and couldn't figure out why the bucket wouldn't roll up. Then it occured to me I must have stepped on the aux. pedal. It's rare that it happens so you tend to not remember it. That and the fluid level are the first things to check. Some hydrostats also use a charge pump. It's possible a 743 does and lost its charge pressure. With the machine off and the seat bar(if it has one) down work all the hydraulic controls and see if they are binding or stiff to move. Maybe they just need to be worked a bit to loosen up. You could spray a little lube on the pivots but not too much as it will just attract dirt and dust which will cause accelerated wear in the pivots. Dave
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