Yale OSO30EBN24TE095:
Brakes Heat Up

this is an order picker with electromagnetic brakes. Unit runs fine early morning but as the day goes on the brakes will heat to the point they won't release until they cool, any suggestions?
  • Posted 25 Oct 2006 02:01
  • Discussion started by albert_h
  • California, United States
Showing items 1 - 5 of 5 results.
Dont know if you got this repaired but FYI there is a special locktite (green wicking) that is supposed to be applied to the screws AFTER the adjustment is made. That will keep your screws from moving. It is heat resistant also.
  • Posted 12 Apr 2008 12:46
  • Reply by DingDing
  • Michigan, United States
i,ve seen it on electromag brakes that after they have been toasted first time they don,t last as long and break up within a few weeks causing bigger air gap and failure
  • Posted 14 Sep 2007 05:15
  • Reply by kevin_k
  • dumfriesshire, United Kingdom
Is it normal for this brake system to tighten itself up every every 2 to 3 months? After adjusting the air gap to what u suggested, its been working fine. This morning i was notified the brakes were locking up again.
  • Posted 13 Sep 2007 07:00
  • Reply by albert_h
  • California, United States
the air gap in the electric brake is.010mm

also check the connector plug at the brake unit and make sure it is good, any resistance and it will not get enough voltage to energise the magnet properly.
  • Posted 12 Apr 2007 12:47
  • Reply by Jplayer
  • North Carolina, United States
John Player Jr
_________________
LiftOne, LLC
Charlotte, NC
Email: jplayer@liftone.net
Only a couple of possibilities (IMO)

If the gap between the magnet and the armature is too large, the magnet can't pull it in when it get's hot.
-adjustment depends on the type of brake, but a quick setup method is to tighten the assembly together then back the 3 adjusting screws off~1/2 a turn each.

The second possibility is that you need a new brake. In a nutshell, the heat causes the insulation on the magnet windings to break down, and as they short together the magnet gets weaker and weaker.
-be prepared for the price shock :-)

The newest nacco electric brakes are completeley non-serviceable and non-adjustable. They are in spec or they're replaced... so much for progress.
  • Posted 27 Oct 2006 14:46
  • Reply by mike_n
  • Alberta, Canada

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