TM-9-2350-247-20-2 Unit Maintenance Manual Volume 2 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-2 REPLACE FAN DRIVE BELT IDLER PULLEY (M548A1) — Continued 0228 00 INSTALLATION NOTE Front and rear idler pulleys are installed the same way. 1. Install one spacer (1) and two bearings (2) in idler pulley (3). Secure with two retainer rings (4). 2. Install screw (5) through idler pulley (3), support arm (6), and rod end (7). 3. Install washer (8) and new lock nut (9) on screw (5). Tighten nut to 50-55 lb-ft (68-75 N•m) torque. FOLLOW-THROUGH STEPS 1. Install and adjust fan drive belts (WP 0226 00). 2. Start engine (see your -10). 3. Check fan drive belt idler pulley for proper installation. 4. Stop engine (see your -10). 5. Lower center seat (see your -10). 6. Install power plant rear access door (see your -10). END OF TASK 0228 00-2