What was found
DURING TAKEOFF ROLL PILOT EXPERIENCED EXCESSIVE BACK PRESSURE ON THE CONTROL COLUMN, TOOK APPROX 60 LBS OF FORCE TO NEUTRALIZE CONTROL COLUMN, TRIM INDICATOR WAS IN T/O RANGE, TAKEOFF ABORTED. INSPECTED ELEVATOR AND ELEVATOR TRIM SYSTEM, FOUND ELEVATOR TRIM WHEEL INDICATOR AT TAKEOFF POSITION BUT ELEVATOR TRIM AT FULL NOSE-UP POSITION. RE-INSTALLED TRIM INDICATOR AND WHEEL TO ONE CORRECT READINGS. CHECK ELEVATOR AND TRIM UP / DOWN DEGREES OF TRAVEL, NO DEFECTS NOTED, TRIM WHEEL OP'S CHECK GOOD. WORK PERFORMED IAW CESSNA CE-560 MAINTENANCE MANUAL CHAPTER 27-31-05.