Daveg
NT & VTS Council member
I believe I am perfect, but others may differ in opinion?
Posts: 1,549
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Post by Daveg on May 14, 2012 21:38:33 GMT
Here is a corroded rear axle on a Ford Fiesta adjacent the lower suspension coil spring, what would you do? Does it in your opinion meet the criteria; damaged, corroded or worn to such an extent that its strength is seriously reduced Dave Attachments:
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Post by baz657 on May 15, 2012 10:24:00 GMT
Is that a trick question Dave? I'd fail it but I can't wait for all the equations involving PI and going off at a tangent as to why I shouldn't
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Post by drivewasher on May 15, 2012 15:20:13 GMT
I'd fail that. The manual advises us to carefully check pressed steel components like that where road dirt and salt etc accumalate causing corrosion. Plus it's within 300mm of a spring seat/mount and other suspension mounts
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alex
Nominated Tester
Posts: 305
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Post by alex on May 15, 2012 20:18:44 GMT
That to me is a prescribed area so I would fail It.
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Post by aylesburyjock on May 16, 2012 20:02:34 GMT
I'd have to agree, so come on Dave. Why are we wrong?
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Post by flashgordon1 on May 17, 2012 19:13:31 GMT
Pass/Advise........ ;D
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Daveg
NT & VTS Council member
I believe I am perfect, but others may differ in opinion?
Posts: 1,549
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Post by Daveg on May 17, 2012 21:34:38 GMT
It is a part of the suspension, which is supportive to the spring seat, so given that you all failed it, if the presenter brought it back and it had been welded, (A suspension compoent) would you pass it. I not answering yet because I am waiting for Nitros to give an opinion, but he seems to not have been on the forum for a bit, and I wanted to see what everyone would say, but the clue is in the reason for rejection what I would do Dave
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Post by baz657 on May 18, 2012 9:03:27 GMT
From Appendix C section 6...
Therefore if repaired by welding it would fail again due to being an unacceptable method of repair.
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Post by drivewasher on May 18, 2012 14:44:26 GMT
I have read somwhere in the manual, but can't lay my hands on it at the mo. If the arm has been formed by welding from new then it can have a welded repair, but if its a pressed or cast item it can't be welded.
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Daveg
NT & VTS Council member
I believe I am perfect, but others may differ in opinion?
Posts: 1,549
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Post by Daveg on May 18, 2012 17:09:12 GMT
If you expand the picture above to take a closer look, one will see that the construction of the rear axle is a L shaped angled bar, and the section which is corroded is supportive to the spring mount and has been welded on by the manufacturer, so in my opinion because originally it was welded on and the repair has been welded by a competent welder, I believe the repair being welded would be acceptable for a pass. Dave
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Post by drivewasher on May 18, 2012 18:30:30 GMT
;D
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Post by flashgordon1 on May 18, 2012 18:31:23 GMT
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nitros44
Nominated Tester
esto es un negocio serio
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Post by nitros44 on May 19, 2012 17:50:38 GMT
This is an interesting thread as it has brought up a topic that has had very little debate. Coming into the discussions late i can only agree with the fact that there is a reason for rejection present in the photograph If the vehicle was presented back for retest "WELDED" and presuming the component is made up of welded parts originally then as long as the repair meets the standard then as Dave has stated i also would agree the repair is acceptable and in my opinion would pass ;D One other point to consider is and just to expand on Daves post is this; What would other members opinions be if the corrosion shown on the component was outside any prescribed areas?? EG would it still fail??
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alex
Nominated Tester
Posts: 305
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Post by alex on May 20, 2012 16:25:22 GMT
Providing it did not adversely effect braking or steering I would pass and advise if it was outside a prescribed area but make the presenter aware.
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phaetonott
Nominated Tester
I may not be right but at least I am trying!
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Post by phaetonott on May 20, 2012 18:37:50 GMT
What would other members opinions be if the corrosion shown on the component was outside any prescribed areas?? EG would it still fail?? I thought it was outside prescribed areas? That's a moving part and prescribed areas refer to bodyshell/chassis areas. But if you did refer to PAs on a suspension arm it would need to be a suspension arm over two feet long to be outside a prescribed area, and then be rotted out right in the middle. I can't think of a pressed steel arm that long. To help Dave with the maths a suspension arm has a fixing point at each end, so to be 30 cm from one mounting and also 30 cm from the other you would need 30 + 30 =60 cm ;D
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Daveg
NT & VTS Council member
I believe I am perfect, but others may differ in opinion?
Posts: 1,549
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Post by Daveg on May 20, 2012 20:11:57 GMT
To help Dave with the maths a suspension arm has a fixing point at each end, so to be 30 cm from one mounting and also 30 cm from the other you would need 30 + 30 =60 cm ;D[/quote] :oThat is not entiry true LOL ;D, a suspension arm is designed to pivot about a fixed point , so mathematically one end is fixed and the other end pivots, which allows the length of the arm to extend or retract when the suspension deflects upwards and downwards ;D Ah, also in regards to your 30 cm from one mounting and also 30 cm from the other you would need 30 + 30 =60 cm that is assuming ;D your suspension arm is ONLY 60cm in length? What happens then if the diameter is 80cm and you measured 30cm from each end LOL ;D, the 20cm in the middle, i.e. the Origin is no then prescribed area, so would you pass and advise ;D However, I am not aware of any prescribed areas for actual suspension compoents LOL , only prescribed areas for mounting points of such ;D Dave
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nitros44
Nominated Tester
esto es un negocio serio
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Post by nitros44 on May 21, 2012 19:48:01 GMT
What would other members opinions be if the corrosion shown on the component was outside any prescribed areas?? EG would it still fail?? Pheatonott wrote
I thought it was outside prescribed areas? That's a moving part and prescribed areas refer to bodyshell/chassis areas. The question i was asking;was aimed at the members that stated prescribed areas in they posts ;D,
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