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TM-9-2320-361-24-1 Page 426

TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks

Page 426 of 1176


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TM 9-2320-361-24-1 0029 00 0029 00-2 FLYWHEEL AND TRANSMISSION ADAPTER PLATE REPLACEMENT (Contd) ADAPTER PLATE REMOVAL 1. Remove thirteen nuts (6) and lockwashers (5) from adapter plate (7) and flywheel housing studs (2). Discard lockwashers (5). 2. Remove adapter plate (7) and gasket (4) from flywheel housing (l). Discard gasket (4). FLYWHEEL REMOVAL WARNING Flywheel is heavy. Use care when removing flywheel. Failure to do so may result in injury to personnel. 1. Remove one of six lockscrews (8) from approximately six o’clock position on flywheel (10). Discard lockscrew (8). 2. Install guide screw at six o’clock position through flywheel (10) in crankshaft (3). 3. Remove five remaining lockscrews (8) from flywheel (10). Discard lockscrews (8). 4. Remove flywheel (10) from crankshaft (3) and guide screw. 5. Remove guide screw from crankshaft (3). CLEANING AND INSPECTION 1. For general cleaning and inspection instructions, refer to WP 0021 00. FLYWHEEL INSTALLATION 1. Locate the X (11) marked on crankshaft (3) above one of six screw holes, and install guide screw in marked hole. CAUTION Alignment mark on flywheel must be matched with X marked on crankshaft during installation. Incorrect positioning of flywheel on crankshaft will not allow installation of all six screws in flywheel and crankshaft. Do not attempt to install screws if screws will not turn easily when starting in threaded holes in crankshaft. Serious damage to equipment may result when engine is operated. NOTE An alignment drill point or punch mark can be located on the backside of flywheel, approximately 2-1/2 in. out from one of six screw holes. 2. Locate alignment mark on back of flywheel (10). Use an erasable marking device and mark corresponding hole (9) at clutch disc side of flywheel (10). 3. Align marked hole (9) with guide screw and seat flywheel (10) against crankshaft (3). 4. Install five of six new lockscrews (8) in flywheel (10) and crankshaft (3). 5. Remove guide screw from crankshaft (3) and flywheel (10). 6. Install new lockscrew (8) in flywheel (10) and crankshaft (3). 7. Tighten six lockscrews (8) 80–90 lb-ft (109–122 N•m). Repeat tightening until 115–120 lb-ft (156–163 N•m) is achieved.