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Care required using gas axe

Discussion in 'Safety Issues' started by Nige, Oct 21, 2018.

  1. Truck Shop

    Truck Shop Senior Member

    Joined:
    Dec 8, 2015
    Messages:
    1,679
    Location:
    SE Washington St
    The first thing when heating u-joints is to remove the zerks and stand to the side. Also the use of heat temp paint stick helps prevent over heating of parts.
    But the other killer that is not mentioned in this thread is the improper use of a press. When pressing bearings a scatter shield is a must-no if's, and's, or but's about it.
    Think of it this way-a 1/2" ball bearing is a 50 caliber round and can go through three walls at the blink of a eye. I was in a auto parts/machine shop store years ago
    buying some brake shoes for my pickup when an incident like this happened. The ball bearing just missed the sectaries head in her office after it already had passed
    through two walls one being the restroom. The ball was finally stopped by a 2 X 4 stud in the wall of her office. No joke presses are deadly as hell.

    Truck Shop
     
  2. DMiller

    DMiller Senior Member

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    Feb 22, 2010
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    4,022
    Occupation:
    Retired
    Location:
    Hermann, Missouri
    Have run presses most of my adult life, ALWAYS some form of shield on the press or the materials being pressed. Actually saw a Hendrickson beam fail installing bronze bushing, the kid doing it THOUGHT or failed to that the beam would square up as it was shoved in. Chunk the size of a average dirt clod scattered across the shop.
     
  3. 92U 3406

    92U 3406 Senior Member

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    Jan 3, 2017
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    834
    Occupation:
    Field Service Tech
    Location:
    Alberta
     
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  4. Truck Shop

    Truck Shop Senior Member

    Joined:
    Dec 8, 2015
    Messages:
    1,679
    Location:
    SE Washington St
    Good vid 92U

    Truck Shop
     
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  5. sandy

    sandy Well-Known Member

    Joined:
    Aug 16, 2007
    Messages:
    51
    Occupation:
    diesel mechanic
    Location:
    Australia
    Had one a couple of weeks ago
    in field repair
    Dana front axle on deere tractor
    tie rod had snapped off at the joint., ball seized in with rust
    heating up as locktighted threads in end of joint where screws into steering ram
    noticed one side off joint starting to swell, stepped back
    joint swelled some more then blew a small hole in the side
    and a fine jet of flame approx two foot long shot out.
    made a loud bang and had to sit down awhile
    is fairly common to have to heat the end to burn the locktight to get them off
    usually the joint is worn and sloppy and you do get a bit of smoke
    I think in this case as the joint was seized with rust pressure built up at the back
    until it blew a hole through the side
     
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