OK now, I like to clear up something, and a little history to the "gospell" garbage.
A long time ago (when I had gas Pinzes), and Pinzes were few in the US, cutting the folded metal around the handle was done and suggested to the group. This wasn't careful cutting around the footprint of the door handles, but removing all the material from one side of the handle to the other and most all of the material up to where the material folds back up the door. It weaken the rigidity of the door top by removing a section of the fold. You ask why and how? The 710/12 door tops are not extremely strong in the first place, they are held into place on the door by 2 rods welded to folded sheet metal and with years of opening and slamming the doors shut, they tend to tear at the lower front and rear corners and begin to flop around instead of being a rigid structure ( check your doors for small tears or where they may have been rewelded, if not you may be a lucky one or had new door tops installed at one time

). Cutting the fold out is not a good idea as over time that area of the door could start to tear, especially if you continously R&R top tops (ex.. twisting the tops to alignning the rods with the holes, rough handling...).
Back in '01 or '02 I presented the option to T nut the door handles to the door tops so that they came off with the top ( once the tops are off, the whole top rail of the door is a handle ). The handle is only needed to close the door when the door top is in place, and the window is closed. For those that use it for a lifting point to get in, some 716/18s had handles mounted to the pillars of the windshield ( I added them to the Pink Cow, the mounting holes were already there). Another problem that many have had are that the bolts retaining the handles are frozen in place and need to be drilled out, if lucky the thread aren't destroyed in the attempt.
But before becoming a heretic, you should see what all the reasons were for a comment in the first place. Not all probable problems may be apparent.
SDP changed the doors completely in the 716/18 to correct many problems in the older models, yet as far I can see, they're the same shape and dimensions.
Also, with the door tops in place, use the mounting bolts to hold them firmly in place. There will be some movement in the top that will be exaggerated by the slamming of the door.
David Dunn
btw, I hate writing posts longer than 3 fingers wide... or reading them

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The Trojan Horse... the 1st Pinz used to covertly carry troops into battle .
ATL Pinzgauer XM 718K TUM(HD) 6x6 FFR (aka The Green Grail)