Murray mower, jerking and slipping hydrostatic transmission

don1455May 1, 2010

2005 Murray model 425620x92B

I've adjusted the motion drive belt and the clutch according to specs. I've engaged the lever (automatic drive disconnect) under the seat. The mower still balks when backing up and sometimes jerks when going forward. The transaxle has oil soaked dirt caked onto the housing which suggests to me that the transaxle may be leaking fluid. I don't see any way to check the fluid level or add more. Any thoughts and also, if added, what type of fluid should be used?

Thanks

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rcbe(6)

might ck for slipped/missing axle to wheel key..

    Bookmark   May 2, 2010 at 5:24AM
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esemilio(Z5 WI)

Look for the vent - looks like a piece of garden hose on top toward the rear of the transmission. Clean around it, pull the hose out, stick a pencil/wooden dowel to measure level of oil. My understanding is that they take 20-50W oil. I would add until it is 3/4" from top. -- That is what I did to my MTD Yardmachine, I am assuming that your system will be very similar. It worked like magic on mine!

When you check the level, look at the color of the oil on the measuring stick - if it looks like it is toasted you may want to suck it out and replace it. If you search this forum there should be many theads that address this.

Good luck!

    Bookmark   May 2, 2010 at 12:12PM
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