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Etesia PHE crankshaft issue

Posted by Alasdair @ TheGardenService Ltd on March 26, 2012 at 1:31pm in Machinery

Hey all. The blade on one of my PHE 18" push mowers now spins independantly of the crankshaft! There is a brake in the large part of the bottom end of the crankshaft where the blade is bolted on and also a crack in the other side. See pics.

1) Any ideas how to hold the engine to prevent the shaft moving to remove the blade?

2) Is the faulty machine goosed with this issue, or is the bottom end of the crankshaft replaceable? I'm not able to run it into the local mechanic for a day or two so just wondering....

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Replies

  • PRO
    Brian www.mibservices.co.uk March 26, 2012 at 2:58pm
    These machines have a plastic crank saver washer fitted to them to prevent the crank and blade bending if you hit a solid object. Take the blade off and check if the plastic lugs on the saver have sheared off. If so just buy a new washer and fit it.
  • Phil Crossley March 26, 2012 at 6:14pm

    We use an impact wrench like this one http://www.ebay.co.uk/itm/1-2-12V-Impact-Wrench-Kit-350Nm-RAC-038-2...

  • Benjamin O'Neill March 26, 2012 at 8:33pm

    some lawn mowers require a vice to hold the blade in position while you loosen the bolt, im not sure whether the bolt come of anti clockwise, or an electric of airline impact wrench should work without to much hassle. 

    • PRO
      Neal Barker @ Etesia uk > Benjamin O'Neill March 27, 2012 at 7:12pm
      The shear washer has done its job and now needs replacing, it's part number 23002. Also looks like the blade boss there may need changeling aswell but for this Inumber I need the diameter of the shaft and I will get the number for you 

      www.oneill-landscapers-group.com said:

      some lawn mowers require a vice to hold the blade in position while you loosen the bolt, im not sure whether the bolt come of anti clockwise, or an electric of airline impact wrench should work without to much hassle. 

      • PRO
        Neal Barker @ Etesia uk > Neal Barker @ Etesia uk March 27, 2012 at 7:16pm
        Also I normaly use grips on the phe mower to stop the crank turning, the section that you show in the pics is just the blade boss and not the main crank , both boss and washer are replaceable items and from memory will set you back around the 25 quid mark  

        Neal Barker @ Etesia uk said:
        The shear washer has done its job and now needs replacing, it's part number 23002. Also looks like the blade boss there may need changeling aswell but for this Inumber I need the diameter of the shaft and I will get the number for you 

        www.oneill-landscapers-group.com said:

        some lawn mowers require a vice to hold the blade in position while you loosen the bolt, im not sure whether the bolt come of anti clockwise, or an electric of airline impact wrench should work without to much hassle. 

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