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I SUSPECT YOU ARE SWAPPING A SIMPLE KNOWN ENGINEERING PROBLEM FOR A COMPLEX UNKNOWN ONES AND WILL HAVE TO DEAL WITH MANY HARDWARE AND SOFTWARE DEVELOPMENT PROBLEMS BEFORE YOU ARE UP AND RUNNING...

REGARDING ALLOWABLE COOLANT PRESSURE, TEST THE ORIGINAL PUMP FOR PRESSURE AND FLOW RATE AND TEMPERATURE RISE. IS THERE A RECOMMENDED INLET TEMPERATURE TO BE CONCERNED WITH, TO AVOID CHILLING ONE END...

THE OPTICS IN THE LASER SYSTEM, INCLUDING THE MIRROR, ARE DESIGNED TO BRING THE BEAM IN FOCUS AT THE DESIGN CUTTING HEIGHT. YOU NEED TO KEEP THE LASER TO CUTTING HEIGHT WITHIN THE DESIGN PARAMETERS,...

I STARTED MY INITIAL POST, "IF ALL ELSE FAILS". PLUGGING A DC MOTOR FOR INSTANT REVERSAL REQUIRES A DC RATED SWITCH, A CAPACITOR TO ABSORB THE ARC IS A GOOD REFINEMENT. I HAD USED PLUGGING ON A 3/4...

SORRY, I FORGOT TO MENTION THE NEED FOR AT LEAST A 1/2 WAVE RECTIFIER IN THE OUTPUT. MANY DC MOTORS ARE RUN ON 1/2 WAVE AT TYPICALLY 90 VOLTS. CAPS LOCK MAKES IT EASIER FOR ARTHRITIC HANDS TO TYPE.

IF ALL ELSE FAILS AND IF THE DC MOTOR IS A PERMANENT MAGNET FIELD MOTOR YOU REVERSE IT BY REVERSING THE POSITIVE AND NEGATIVE WIRES TO THE MOTOR. FOR A POWER SUPPLY, UP TO 2 HP, YOU CAN USE A...

I HAD A SINGLE PHASE MOTOR DRIVEN COMPRESSOR THAT HAD A HARD TIME STARTING BECAUSE OF INSUFFICIENT START CURRENT CAPACITY IN THE BUILDING WIRING. I REPLACED THE MOTOR PULLEY WITH A CENTRIFUGAL...

IF YOUR AIR COMPRESSOR UNLOADER IS NOT WORKING, YOUR MOTOR IS TRYING TO START AGAINST THE COMPRESSOR LOAD. CHECK YOUR UNLOADER FIRST, IT HAS TO RELEASE THE PRESSURE BETWEEN THE COMPRESSOR OUTLET AND...