Raymond 11-R30TN:
Will not go into reverse

The reverse was acting up and seemed to not want to work after unit had been in use a little while. Now will not go into reverse at all. Need a wiring diagram or help deciding which part to replace.
  • Posted 27 Jul 2014 01:20
  • Discussion started by michaelb
  • Ontario, Canada
Showing items 1 - 8 of 8 results.
Stam, send me an e-mail, my address is in my profile
  • Posted 3 Aug 2014 01:11
  • Reply by edward_t
  • South Carolina, United States
"it's not rocket surgery"
When could you come out and look at it?
What are your rates?
My number is 905-854-9875
  • Posted 31 Jul 2014 22:01
  • Reply by michaelb
  • Ontario, Canada
i think i can fix it. i only ever walked away from one so far in 15 years. also if i can't tell you what it needs to fix it i won't charge you anything. seeing as how it is not an intermittant problem it should be able to get resolved first trip unless parts are required. (i dont stock any parts that old in the van)

thanks for the kind endorsement Ed.
  • Posted 29 Jul 2014 04:55
  • Modified 29 Jul 2014 04:56 by poster
  • Reply by stam
  • Ontario, Canada
If you are close to Stam, I would say that he is your best bet at saving money and doing it correctly {and 'doing it correct' is how you save money}. He has proved [to me, here on forkliftaction.com] that he knows what he is doing, and makes the effort to do it correctly.
The forward contact has to make good connection when "at rest" for the power/current to flow in reverse (and vice-verse). My WAG has it that you need to replace as complete units both directional contactor assemblies, as they are most likely so worn out as to be sticking. if this unit has a battery over 7 years old, I would say this may be time to consider a much newer unit, not so much because of the cost of -this- repair, but just the overall age of the unit. You/I would only be able to sell the unit for scrap metal weight.
"Cathodes" are the negitive side of a conductor or semiconductor, these SCRs and large diodes have a pigtail type of cathode, and a stud type of anode (anode being the positive connected side) that is screwed into an insulated from the frame, metal heat sink.
  • Posted 27 Jul 2014 22:41
  • Modified 1 Aug 2014 07:55 by poster
  • Reply by edward_t
  • South Carolina, United States
"it's not rocket surgery"
We feel that it is. My son-in-law looked at it yesterday. He is an industrial electrician.
We had Raymond Equipment out last September. At that point the problem was intermittent. He checked contactors, tips, switches and harness and then said "further repairs requires accurate schematic" which of course we do not have.
It seemed that when you first used the machine reverse was OK but then it stopped working after a little bit of use. Now it will not go reverse at all.
We are 5 minutes north of Campbellville, one exit west of Milton. Do you think you can fix it?
  • Posted 27 Jul 2014 22:12
  • Reply by michaelb
  • Ontario, Canada
yeah... that thing is from the 60's you won't find a manual. i think ed is on the right track with the clicking, are you sure the reverse contactor is making contact? the cathodes sound like scr's to me and if they were bad you would have issues in fwd too.

where is the truck? im for hire in the gta if your interested...
  • Posted 27 Jul 2014 21:29
  • Reply by stam
  • Ontario, Canada
We had the dealer in about 8 months ago and he was no use whatsoever. Said it was an old machine and that they had no wiring diagrams for it.
Yes it clicks when we try to go into reverse and yes the end of driving click also happens. We are down to suspecting the three electronic "Cathodes". One is marked 851-00 514 White (Cathode). The second is 851-00 526 or 520 and the third is marked 851-00 512. Not sure exactly what they do however. We do not use the machine very much but when you need it you really need it.
Any help you can give is appreciated.
  • Posted 27 Jul 2014 12:40
  • Reply by michaelb
  • Ontario, Canada
I would strongly suggest that you get someone with experience in troubleshooting Raymond forklifts, and pay them. I think your local Raymond dealer, most likely, will provide you a wire diagram, (most likely for no fee) but without considerable training in how modern motive battery forklifts, and Raymonds in particular, work, it will not be much help. you are far more likely to spend more money trying to decide what part you want to replace, than the service call and labor time to troubleshoot will cost. There are concerns that electric traction controls have, that do not exist in other electric applications, such as "flyback' and 'plugging' currents.
all that said, if you have forward [forks first] acting correctly, then your problem is either in the control circuits that provide power to the contactors, or the contactors themselves.
Does the click you hear just before you start to move forward also happen when you try to go into reverse? does the 'end of driving' click happen the same in both directions?
  • Posted 27 Jul 2014 01:57
  • Modified 27 Jul 2014 09:11 by poster
  • Reply by edward_t
  • South Carolina, United States
"it's not rocket surgery"

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