This document provides instructions for removing and installing a clutch assembly on TM2187 tractors. It involves separating the engine from the clutch housing, removing six cap screws and the clutch assembly. The PTO clutch disk is inspected and any repairs to clutch components are made. The pilot bearing is also inspected. Instructions are given for installing the PTO clutch disk in the proper orientation and tightening the cap screws. The engine is then reinstalled on the clutch housing.