TM-9-2350-261-20-2 Unit Maintenance Manual Volume 2 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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REPLACE ENGINE COOLANT PUMP IDLER PULLEY AND BELTS — Continued INSTALLATION NOTE Drive belts must be replaced in matched sets. 1. Position drive belts (1) on pulleys (2) and (3). 2. Install idler pulley (4) and idler bracket (5) on engine with drive belts (1) positioned on idler pulley (4). Secure with two washers (6) and screws (7). Do not tighten screws. 3. To adjust drive belts (1), move idler bracket (5) to obtain a 3/8-inch (10 mm) deflection when drive belts (1) are depressed midway between pulleys (2) and (3). 4. AFTER ADJUSTMENT OF DRIVE BELTS (1), TIGHTEN TWO SCREWS (7) TO 360-420 LB-IN (41-47 N·M) TORQUE. Use torque wrench. FOLLOW-THROUGH STEPS WARNING Startup of equipment or moving parts can injure you. Stay clear of moving parts when power plant is running. 1. Start engine (see your -10). Check idler pulley for proper operation. 2. Stop/shutdown engine (see your -10). 3. Close power plant front access door and raise trim vane (see your -10). END OF TASK 0196 00-2 0196 00 TM 9-2350-261-20-2