Discussion:
shuddering

Unit shudders violently upon initial driving and stopping( only intermittently- while trouble shooting the shudder will go away). at high speed its ok but still a little noisy. Ive replaced the encoder bearing and it worked for a little but then will come and go again.ive eliminated the brake from the system so its not that. definitley seems to be a magnetic problem as you can see the drive tire jump backwards at very slow speed. Any ideas?
  • Posted 9 Jun 2012 07:40
  • By mudforce
  • joined 17 Nov'09 - 5 messages
  • Alberta, Canada
Showing items 1 - 2 of 2 results.
Found faulty controller.
  • Posted 20 Dec 2013 01:26
  • By Horse
  • joined 11 Jan'11 - 38 messages
  • Wisconsin, United States
I have a unit doing the same thing. Only it does not shudder as bad as you are describing. Its always there & I can see the fluctuating amp draw in run amp draw mode. We swapped out control handles with another unit-still did the same. Removed the braking system-no change. Changed the drive motor encoder bearing-still same problem. Left it go for 6 months & now its becoming worse. We are now going to swap controllers with a known good controller & see what happens. (Our code is 33073 Control handle issue)
Did you find out what the problem was with the unit you have?
  • Posted 17 Dec 2013 06:33
  • By Horse
  • joined 11 Jan'11 - 38 messages
  • Wisconsin, United States

Post your Reply

Forkliftaction accepts no responsibility for forum content and requires forum participants to adhere to our rules of conduct. Click here for more information.

If you are having trouble using the Discussion Forums, please contact us for help.

Global Industry News
edition #1238 - 10 July 2025
This week Forkliftaction News is celebrating its 25th anniversary! A wonderful achievement given we launched at a time when just 6% of the world’s population were internet users, according to Internet World Stats . Over the coming weeks, we will be sharing stories about our history and rolling out more celebrations, so keep an eye out... Continue reading
Upcoming in the editorial calendar
WIRELESS CHARGING
Aug 2025
MANAGING MIXED FLEETS
Oct 2025
Komatsu FD25T17
Braeside, Melbourne, Victoria, Australia
Hire
Yale GDP100M
Flesherton, Ontario, Canada
Used - Sale

PREMIUM business

Shenzhen Wellwit Robotics Co., Ltd
The Largest AMR/AGV ODM/OEM Manufacturer in China.
Fact of the week
The dot-com bubble, a period of large and rapid investments in internet-based companies, peaked in 2000 and saw the Nasdaq Composite index rise by 579%. Then the bubble imploded. As the value of tech stocks plummeted, cash-strapped internet start-ups became worthless and collapsed.