Wow! Got mine today as well, thanks to Graham and to CK Tools!
I think this kit has a lot going for it, all sorts of accessories for all sorts of situations, I particularly like the spira-flex rod (very very bendy indeed) and that it's all splinter proof, being honest, the only thing missing...
Check at the main contactor and the delta contactor not forgetting the o/l unit. Identify the windings U1 start and finish U2, V1 & V2 and finally W1 & W2, these should have the same value, don't be surprised at the very low impedance readings. Also check for leakage to earth from U, V and W...
I've just seen that it's a vac pump, when these start to fail they can become very noisey (sticking or broken blades) and at the same time take longer to reach the preset vacuum (this can checked by asking the operator if they have noticed any changes).
It could be a multitude of things, does the motor sound ok? rumbling or knocking noises could indicate bearings/ alignment problems, check the supply voltage at the panel (line to line and line to earth) then from there visually check for bad/burning connections ( does the panel smell of burning...
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