How to replace drive belt for Challenge MP-15?

The drive belt on my Challenge MP-15 just broke. I found a link to buy a new one from Grainger, based on a link Paul had posted for an SP-15 (the specs seem correct, 18″ long, 1/5″ pitch, 90 teeth).

Any details on how to remove the ink drum? I assume the procedure is very similar to the SP-15, not certain. 


2 thoughts on “How to replace drive belt for Challenge MP-15?

  1. mkelsey - September 24, 2019

    Thanks, Paul! That was easy, all done with new belt. Somehow I thought it would be more involved!

  2. Paul Moxon, Moderator - September 21, 2019

    Check for slack in the belt, if it’s tight loosen the motor mounts and slide the motor forward.
    Remove set screws on each end of the ink drum.
    Lift drum at an angle from the operator’s side and rotate to disengage from the belt.

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