Oc3 fault ....what are the causes checked motor and checked for binds everything seems normal

you either have something between motor and flywheel or belt is in a bind on flywheel remove deck and check all around.

E20 error code: Short or break causing incorrect resistance in winding of the circulation pump or the motor.
D10 error code: Cause: Wiring/electrical fault related to motor triac.
Action: Check wiring on/to PCB and motor. Check the triac (on the PCB).

C01 error code: Cause: Motor tacho fault.
Action: Check motor and motor tacho wiring for problems.

replacing the starter should not impact time. best thing for you to do is remove and double check everything as you reassemble, including comparing the new to the old starter.

Here is a complete guide must have Adobe Reader it's PDF... You will find the error code in this manual and more information on it.

http://www.stroeter.com/preview/_upload/51_00_ENG.pdf?documentID=4934

Have you ever replaced the recoil rope, if you had is it a larger rope then the one that came with it? If so, that could be the cause of the binding. I had that difficulty once.

internal problem with the motor causing high resistance or binding hinges or something binding making the motor have to push harder than normal.

A very slight delay would be normal as it takes the pedal electronics time to acquire and creae the second harmonic. The ear is sensitive to about 1/1000 second. You haven't said how much delay it is causing... If it is over 1/20 of a second there is a problem.

Hobart mixer, HL300, stops and flashes as oc3, wounded what is broken?

This problem can be a bad main motor. The motor has gears on it and they can bind when they are worn. The motor assembly itself electrically can be bad.
If there is something binding in the gear train assembly this can cause the motor not to turn. A bound up copy cartridge can cause the motor not to turn.
A bad board can also cause this not to start.
To replace the main motor, it is very detailed and time consuming.
Try a service call, hope it is cheap enough and the copier is in good shape besides the motor being bad.

Sounds like something in the blower wheel or a bad motor .....if it makes a wrrrrr sound whn it starts its the motor