ISM, ISMe, and QSM11 – 016-005   Flywheel

Use a new pilot bearing when installing a new or rebuilt clutch.

Remove the pilot bearing with a mandrel and hammer.

Clean the pilot bore with Scotch-Brite™ 7448, Part Number 3823258, or equivalent.

Install the pilot bearing with a mandrel and hammer.

The pilot bearing must be installed flush with the pilot bore surface.

WARNING  This component or assembly weighs greater than 23 kg [50 lb]. To prevent serious personal injury, be sure to have assistance or use appropriate lifting equipment to lift this component or assembly.

Install guide pin, Part Number 3376696, in the crankshaft flange.

Install the flywheel on the guide pin.

Install the seven capscrews.

Remove the “T-handles” and the guide pin.

Install the remaining capscrew in the hole.

Tighten the capscrews in a star pattern.

Use dial indicator gauge (1), Part Number 3376050 or equivalent, and dial gauge attachment (2), Part Number ST-1325, to inspect the flywheel bore (3) and face (4) runout.

Install the attachment to the flywheel housing.

Install the gauge on the attachment.

Install the contact tip of the indicator against the inside diameter of the flywheel bore.

Use the accessory driveshaft to rotate the crankshaft one complete revolution (360 degrees).

The total indicator reading must not exceed 0.127 mm [0.0050 in].

WARNING  This component or assembly weighs greater than 23 kg [50 lb]. To prevent serious personal injury, be sure to have assistance or use appropriate lifting equipment to lift this component or assembly.

Remove the flywheel if the total indicator reading is greater than the specification.

Inspect the flywheel mounting surface for dirt or damage.

Inspect the crankshaft for dirt or damage.

WARNING  This component or assembly weighs greater than 23 kg [50 lb]. To prevent serious personal injury, be sure to have assistance or use appropriate lifting equipment to lift this component or assembly.

Install the flywheel and inspect the bore runout again.

WARNING  This component or assembly weighs greater than 23 kg [50 lb]. To prevent serious personal injury, be sure to have assistance or use appropriate lifting equipment to lift this component or assembly.

Replace the flywheel if the runout does not meet specifications.

Install the contact tip of the indicator against the flywheel face as close to the outside diameter as possible to inspect the face (4) run out.

Push the flywheel forward to remove the crankshaft end thrust.

Use the accessory driveshaft to rotate the crankshaft one complete revolution (360 degrees) while keeping the crankshaft end thrust pushed forward.

The total indicator reading must not exceed the following specifications.