Discussion:
Traction gear grinding noise

We have this unit that all tech's agreed that it sounded like drive gears were toast. We disassembled the drive case, A/C traction motor and found no damage whatsoever. Replaced bearings and races. Disassembled brake and everything is in specs. After reassembly the same condition persists. Drive chatters like it's grinding gears. No fault codes and it seems that something is cutting out. Can't get it out of turtle mode, has anyone ever experienced this condition? If you can help thanks.
  • Posted 26 Jul 2023 08:02
  • By Scott
  • joined 9 Jun'23 - 6 messages
  • Florida, United States
Scott
Showing items 1 - 2 of 2 results.
Thank you very much I just pulled the traction motor again and taking it to our vendor for testing. Thanks again!!!!
  • Posted 27 Jul 2023 01:34
  • By Scott
  • joined 9 Jun'23 - 6 messages
  • Florida, United States
Scott
Not familiar with this model but... I would approach it by eliminating the mechanical portion. There should be a way to mechanically release the brake. Run it and turn it by hand. Anything noticeably different? If it feels smooth by hand, it may be a motor phase issue or speed sensor. Not sure why it wouldn't code though. There should be some analyzer functions that could help if you have access and the machine is equipped. That's my 2 cents. might only be worth 1
  • Posted 26 Jul 2023 22:59
  • By ErichO
  • joined 26 Oct'21 - 83 messages
  • Washington, United States

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Global Industry News
edition #1236 - 26 June 2025
As June comes to a close, the month when our sector recognises National Forklift Safety Day , the United Kingdom’s Association of Industrial Truck Trainers (AITT) has issued a timely reminder of the need to ensure any staff training is fully accredited... Continue reading
Fact of the week
Sourdough bread contains Lactobacillus reuteri, a probiotic bacteria. During pregnancy and breastfeeding, these bacteria can travel from the mother's colon to her breast tissue and be passed to the infant through breast milk. It offers various health benefits, including potential protection against breast cancer.