Keith Monks cleaning machine questions

A, no differenes, they have a strong motor
B, yes extra motor for it

There are a couple of different pumps, but I believe they are set for the same suction.

Yes, the monks has a thread motor.

Does the thread motor continuously pull the thread while the nozzle is sucking fluid?

With my Loricraft the thread would be quite wet by the time it reached the outer lip of the LP, sometimes leaving tiny fluid droplets behind.

I did not over flood the LP with cleaning fluid, I would wipe nearly all of it off with DD brushes prior to vacuuming.

Does the thread motor continuously pull the thread while the nozzle is sucking fluid?

Yes, based on that, the thread is always dry.

On the Keith Monks when the vacuum pump is on the thread reel-out motor pulls the thread continuously.

When the vacuum pump is on, the thread motor is unwinding thread from its reel very slowly so that the nozzle can continuously suck in small sections of the thread together with the fluid. Then you have always clean thread between nozzle and groove, and the thread is always pulled tight, ensuring the optimal gap between nozzle and disc. This works best when using a fitting thread.