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robin craig

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Posts posted by robin craig

  1. You make a good point Richard about the quality of the diff oil.

     

    That truck gets serviced off site.

     

    I'm sure they are using a commercial grade oil of the same viscosity but as you point out it may not be compatible with what you call "yellow metal".

     

    R

  2. I'm interested to hear about adjusting pressure, what is the max you would run?

     

    What is the logic behind adjusting up and down, is it to change the point of balance of the tyre?

     

    Has standing the vehicle for considerable time done this?

     

    What can be done to prevent it in the future?

     

    No comments about copper residue in the diff?

     

    R

  3. Mark,

     

    Nice truck, shame someone gave it a blow over matt paint job, she deserves to be back in DBG, like you need another task!

     

    Maybe there is a woman in your life with an artistic inclination and attention to detail who likes to paint who could perform the repaint?

     

    I was witness to an Abbot pack change performed by the NLBA crew at Beltring either in '97 or 2000 and was impressed as to how the Militant was a very precise bit of kit and can see how it differs from the Ward when doing finicky jobs with close tolerances.

     

    Marmite, thanks for the thread link.

     

    R

  4. Richard,

     

    good point, yes we are on the newer tyres not the bar treads.

     

    I am still thinking that the tyre being out of balance is capable of imparting such a shake, just in a general principle.

     

    My clue is that the steering wheel shakes a little in time with the cab shake.

     

    Any idea on the copper material in the diff oil?

     

    R

  5. Our Bedford CALM (crane lorry mounted) has developed a shake between 40 and 50 mph.

     

    We have had a go at swapping wheels and tyres around which has calmed things down a bit. One was out of round it would appear.

     

    We also have dropped and replaced the oil in the front diff and found a copper residue in the oil.

     

    Th shake induced is an up and down rythm which still leads me to look back at tyres.

     

    Does anyone have any thoughts and comments?

     

    Regards

     

    Robin

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