Lubricating Oil Pump (7-08) Section 7 - Lubricating Oil System - Group 07 M11 Page 7-14 Remove the oil cooler from the tank of water. Remove the pressure test equipment. Use compressed air to dry the oil cooler. Cover all of the openings with tape to prevent dirt from entering the element when the oil cooler is not in use. Lubricating Oil Pump - Cleaning and Inspection for Reuse (7-08) Cleaning Remove the two sealing o-rings. Discard the o-rings. Use solvent to clean the oil pump. Dry with compressed air. Inspection Turn the main drive gear by hand to inspect the external gear for freedom of rotation. Visually inspect the gear for cracked or broken teeth.
Visually inspect the rear cover plate shaft bores for ex- cessive wear or discoloration due to overheating or shaft seizure.