Hyster R30XMS3:
Master Drive Unit

I have several Hyster R30XMS3 Order Pickers that I take care of, one of the biggest issues I have run into is the drive will start leaking around the axle shaft , which is pressed in. I have to send these out as I do not have a press that will press the hub/axle assembly out. When I first had this issue , i contacted Hyster and they said these units (MDU) were not serviceable, I took a pic and sent it and ask then why are parts available for it ? No answer!! I have three of these units and I have had at least one of them down for the same issue twice, my question is , is there a better fix outside of replacing the MDU which is rather expensive.
  • Posted 21 Oct 2020 07:51
  • Discussion started by DaveCan
  • Georgia, United States
David Cantrell
Showing items 1 - 3 of 3 results.
yep, if your sending them to a machine shop then sure, he would know this, especially if he knows lift trucks.
Unfortunately this is the factory way of selling parts these days, they don't want tech's repairing parts anymore, today we are just basically parts/component replacers with laptops and some training. The days of digging into a problem and actually fixing it and learning about how and why it failed are over, that's the way they want it.
It's all about profits and numbers etc anymore.
  • Posted 22 Oct 2020 08:09
  • Modified 22 Oct 2020 08:10 by poster
  • Reply by swoop223
  • North Carolina, United States
You've been swooped!
swoop223@gmail.com
The machine shop I send these units to do the work for me, I supply the parts needed and they press them. The man who is owns the machine shop should know this as he has been in the lift truck industry for over 30 years, or at least I hope he does?! I appreciate your help.
  • Posted 22 Oct 2020 00:35
  • Reply by DaveCan
  • Georgia, United States
David Cantrell
your only option is to get a press if you want to be replacing these seals yourself.
by design you cannot just pull the wheel off and pop out the seal because of the axle flange, so therefore your stuck having to buy these units if you do not have the means to remove the axle to get at the seal.
Also if i remember correctly if you do take the axle out there are shims and also the axle nut has to be torqued and they make a special tool to hold the assy just so you can get that torque you need on it. If you don't get it torqued correctly it will come apart.
This is one of the main reasons they made it this way (unserviceable).
Too many failures in the past from field service work because the reassembly was not done correctly.
If you know what you're doing though it can be done.
  • Posted 21 Oct 2020 22:15
  • Modified 21 Oct 2020 22:17 by poster
  • Reply by swoop223
  • North Carolina, United States
You've been swooped!
swoop223@gmail.com

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