Yale GLP030BFNUA:
Trying to Identify a Strange Noise on My Yale GLP030 Forklift

I have a Yale GLP030 Forklift - pneumatic tire, propane fueled. There is a rectangular plastic box along the right side of the machine frame just ahead of the rad. The cable from the throttle pedal goes into this box and another cable comes out and goes to the throttle body lever on the propane fuel system. Lately there is a strange noise coming from this box when the key is first turned on and also for a little while after starting. Sounds a bit like a buzzer or a horn that is not working quite right and sounds "Sick" or maybe a relay that the contacts are cycling on and off real fast. The forklift still starts and runs fine and the sound goes away after 10 seconds or so.

Not sure what this box is - was wondering if it could be an electric governor for the engine or a rpm limit protection since it is in the middle of the throttle cable - somewhat like the box for cruise control on older cars before electronic fuel injection.

Appreciate if anyone has any info on what this component is and what might be making the noise.
  • Posted 22 Nov 2021 01:12
  • Discussion started by Blueacre
  • Ontario, Canada
Showing items 1 - 2 of 2 results.
sounds like a mechanical speed controller.
the early versions of those had the accelerator cable running through it.
there is a motor inside that box that will pull back on the rpm's to limit your speed.
If you have no need for it you can remove it, but will need to get the original accelerator cable most likely to put it back to oem standards.
  • Posted 2 Jan 2022 11:34
  • Reply by swoop223
  • North Carolina, United States
You've been swooped!
swoop223@gmail.com
Blue,

I would suspect this is an RPM limit protection. There should be a governor mounted under the mixer. The throttle cable goes to the throttle arm mounted to the mixer on most models. I would suspect you could do away with this box as long as the governor is mounted and adjusted correctly. Should you remove and try to run lift, make sure you have the ability to shut down in case the engine goes crazy. Good Luck
  • Posted 1 Jan 2022 02:02
  • Reply by Fishmech
  • Virginia, United States
The hard to do we do right away. The impossible just takes a little longer.

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