TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
Page 422 of 1176
TM 9-2320-361-24-1 0028 00 0028 00-4 VIBRATION DAMPER AND SEAL MAINTENANCE (Contd) INSTALLATION 1. Assemble vibration damper pulley bolt (10), washer (6), and adapter to form oil seal inserter. CAUTION Oil seal must be installed with lip of oil seal facing out and extended steel body towards vibration damper. Open side of oil seal must be positioned towards timing cover. Failure to install oil seal correctly may result in oil leak. 2. Lightly coat lip surface of new oil seal (1) with clean lubricating oil. 3. Install new oil seal (1) in timing cover (2) with oil seal inserter on crankshaft (3). Tighten vibration damper pulley bolt (10) until adapter contacts timing cover (2). 4. Remove vibration damper pulley bolt (10), washer (6), and adapter from timing cover (2) and crankshaft (3). CAUTION Vibration damper and pulley must be installed slowly on crankshaft and into new oil seal. Do not crimp oil seal lip with end of vibration damper and pulley assembly. Crimping of oil seal lip may permanently damage oil seal and result in oil leak. 5. Install plug (7) in keyway (8) of crankshaft (3). 6. Heat vibration damper and pulley (9) for 30 minutes at 200 °F (93.3 °C). WARNING Hand protection must be worn at all times when handling heated vibration damper and pulley. Failure to do so may cause injury to personnel. 7. Align plug (7) and keyway (8) in vibration damper and pulley (9), and install vibration damper and pulley (9) on crankshaft (3) until seated. 8. Assemble crankshaft driver as shown. 9. Install washer (6) against vibration damper and pulley (9) with crankshaft driver tool threaded into end of crankshaft (3). 10. Hold bolt and turn nut on crankshaft driver clockwise until vibration damper and pulley (9) is seated on crankshaft (3). 11. Loosen nut and remove crankshaft driver and washer (6) from crankshaft (3) and vibration damper and pulley (9). 12. Install washer (6) and vibration damper pulley bolt (10) against vibration damper and pulley (9) and crankshaft (3). Tighten vibration damper pulley bolt (10) 225–250 lb-ft (305–339 N•m). 13. Install lockplate (11) on vibration damper pulley bolt (10) on vibration damper and pulley (9) with two new lockwashers (5) and screws (4). 14. Install drivebelts (WP 0182 00). 15. Install radiator (WP 0077 00). 16. Connect battery ground cable (WP 0126 00). 17. Lower and secure hood (TM 9-2320-361-10). 18. Release parking brake and remove wheel chocks (TM 9-2320-361-10).