v2 840
Cut it off and fit a proper one!!
Seriously though - whilst your going through the checks, put the small parts in labelled bags - saves a lot of frustration when searching for a particular part no. later on. Make haste slowly, and IMHO you would do well to do a almost complete mechanical assembly before starting the wiring.
There a plenty of words of wisdom buried in various forum messages, and Rory (Stoney CNC) has some excellent videos relating to the mechanical adjustment of the machine - well worth spending some time reviewing those.
The 840 is a big machine, and it is most important that it is mounted on a stable flat surface before you set up the Y-axis mechanics. If your budget will stretch that far, get a T-slot base, it does wonders for machine rigidity.
If you have problems during build - pose them on the forum, lots of experienced and clever people there who will be glad to give advice.
Peter.
SC 420/2, Industrial VFD spindle from StoneyCNC
UC100 + UCCNC
Cut2D, Autosketch10, Draftsight, Eagle 9.5.1
There is no problem, however simple, that cannot be made more complicated by thinking about it.
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