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grease zerks on couplings

Discussion in 'Lawn Mowing' started by snapper, Apr 12, 2004.

  1. snapper

    snapper LawnSite Senior Member
    Messages: 399

    ya know how on belt drives there is a grease zerk on the coupling from the trans to pulley shaft?? What is the purpose odf this zirk??? It is either to help hold the coupling in place, or to ease in removal later, but i am guessing to hold it in place.. So does any one know??

    Later snapper
  2. Craig Jones

    Craig Jones LawnSite Member
    Messages: 120

    The reason for the grease fitting is the coupling slides a small amount due to lateral forces of the shaft going to the drive pulley.. We had one of the shaft go bad due to lack of grease, i. e. the teeth rounded out.

    Hope this answers your question..

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