TM 9-2350-261-20-2 INSTALL5.N O TEDrive belts must be replaced in matchedsets6.3. Position drive belts (1) on pulleys (2 and 3).4. Install idler pulley (4) and idler bracket (5)on engine, with drive belts (1) positioned onidler pulley (4). Secure with two washers (6)and screws (7). Do not tighten screws.To adjust drive belts (1). move idler bracket(5) to obtain a 3/8–inch (10 mm) deflectionwhen drive belts (1) are depressed midwaybetween pulleys ( 2 and 3).After adjustment of drive belts (1), tightentwo screws (7) to 360-420 lb-in (41-47 N•m)torque. Use torque wrench.FOLLOW-THROUGH STEPS W A R N I N G1. Start engine (see your –10). Check idlerStartup of equipment orpulley for proper operation.moving parts can injureyou. Stay clear of moving2. Stop/shutdown engine (see your –10).parts when power unit isrunning.3. Close power plant front access door and raisetrim vane (see your -10).END OF TASK8-10
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