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    B2630 won't start

    With regard to the starting problem: If you have a volt meter, or a 12V test light with clip leads, check the solenoid terminal on the starter to see if 12V appears there when you turn the key. You may have to have someone else sit in the seat and turn the key. If you have a test light with...
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    Hydraulic fluid usage

    If it leaked a gallon of fluid in 39 hours, you should find evidence of it on the machine and the floor or ground under where it's parked. It had to go someplace. Fitch
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    Those with a ZD21 Reserve Tank Kit installed.

    Does this kit affect how one changes the transmission oil? In other words, is it necessary to take off the fitting on top of the transmission in order to refill it after draining the oil? I'm asking because it doesn't look like it would vent very well and the directions say to fill the...
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    Any RTV owners here?

    Congratulations on your purchase. May you have many years of good service out of it. I have a 2004 RTV900W with 2,650 hours on it. I added a canopy top, work lights and a fiberglass bed liner (bed liner was a mistake), when I bought it. It uses no oil between engine oil changes and drives like...
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    2003 ZD21 Hydrostat oil leak-Help

    I experienced the exact same problem on my 2003 ZD21F. It was NOT the snap ring item. Right ahead of, and slightly below the transmission oil filter there are two lines that connect, one on each side. I recently experienced the leaking you are talking about. It was the O-ring on one of these...
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    ZD21 Will Not Start

    You might check the seat switch. For test purposes you can short it by making a jumper for the plug where it connects to the system. That was the diagnostic test that finally confirmed our seat switch was the cause of intermittent problems. I replaced the seat on ours (a 2003) because the seat...
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    ZD21 Hydro Rebuild

    I think that was the best deal since the Louisiana Purchase. The mower looks like it was stored inside and not abused (no obvious dents). I'd suggest checking the transmission fluid strainer for chips after 50 hours just to be sure nothing else is self destructing. If you find chips, clean it...
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    Starter solenoid heat shield for ZD21.

    I was having problems with the mower (2004 ZD21 with ~1,300 hours at the time) not starting when it was hot. The solenoid would click but it wouldn't engage. No problems cold. I used an IR temperature meter and discovered the solenoid was being heated to nearly 450F by the exhaust manifold...