Scissor structural failure | Vertikal.net

2022-06-11 00:53:33 By : Mr. Brady chen

MS *Hhmmmm Back from when I was an Engineer in powered access - this type of scissor design is known to create immense ammount of stretching forces in the chassis. Seen number of Holland lifts (cant remember if its just that model or whole range or models - they got similiar design) with chassis splitting in the half. Normally they split somwhere just after engine bay/side covers and I seen number of them being welded. Nothing wrong with welding if its completed in professional manner, actually the weld gonna be stronger than oryginal plate thickness. The problem lays in examinations. Companies (dont want to mention names) hire third parties like some "beraus" or other "accredited engineering companies" that are doing just paperwork excersice - they send pen pushers to customer who basically just sign paperwork. Been working for major accees company and seen that on daily basis. "Assesed Competent Person" sent from some berau was asking me how to operate that 135ft machine he was about to stamp loler cert in 5min anyway, never seen any of them taking any cover off, checking any welds, ram leaks, play in the pins or anything like that. They were turning on site with tablet but without even one spanner or screwdriver. Another thing that i seen couple of times was doing lolers remotely, or engineer sent to site couldnt access machine because it was in use and customer was behind on the job, so he wont let it for 2hrs to be propperly examined.

Hhmmmm, J, if you know what happened, enlighten us.

J We all know what's happened here ,and its not just inherent of this manufacturer.

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