He shifts a bit so he can stand steady while Pewny works, the weight not seeming to bother him much.
He quickly gets two more tools, pliers with cutters and a screwdriver. He quicly cuts off the worn wires, in their place putting brand new ones. He checks how the cable from power supply broke, and ensuring this won’t happen again screws it up in place. The procedure takes him a few minutes. “Well. I don’t see anything else wrong here, so let’s check if it works now”