FORWARD HANGER BEARING AND SUPPORT REMOVAL/INSTALLATION

TM 1-1520-238-23 Change 8 6-35 6.7. FORWARD HANGER BEARING AND SUPPORT REMOVAL/INSTALLATION – continued CAUTION When installing hanger bearing to hanger bearing coupling, ensure that bolts are installed through 0.250 INCH bolt holes on hanger bearing aft flange. Do not install bolts through any of 0.500 INCH lightening holes. Installation of bolts through lightening holes will result in fail- ure of hanger bearing, coupling and drive shaft. b. Install bearing (1) on coupling (2). Torque bolts (3) to 125 INCH-POUNDS. (1) Install five bolts (3) through bearing (1) aft flange in coupling (2). (2) Torque five bolts (3) to 125 INCH-POUNDS. Use torque wrench adapter and torque wrench. (3) Apply corrosion preventive compound to bolts (3). Use corrosion preventive compound (item 62A, App F). c. Inspect (QA). d. Install No. 3 tail rotor drive shaft (para 6.5). END OF TASK 2 1 3 M04-437-4