TM 1-1520-238-23 Change 2 6-63 6.11. NO. 5 TAIL ROTOR DRIVE SHAFT, DAMPER, AND ANTI-FLAIL SUPPORT REMOVAL/INSTALLATION – continued 6.11.6. Adjustment a. Adjust damper (24) tension. Torque nut (23) to 13 INCH-POUNDS. (1) Remove nut (23). NOTE More than one tension washer may be installed between spring and plate. (2) Remove screw (16), washer (17), spring (18), spacer (19), and tension washer (20) (if installed) from both sides of plate(s) (21) and (22), damper (24), and support (1). (3) If reading on scale (25) was less than 9 pounds, add tension washers (20) one at a time on each side of support (1) until correct tension reading on scale (25) is obtained. (4) If reading on scale (25) was more than 11 pounds, remove tension washers (20) one at a time on each side of support (1) until correct tension reading on scale (25) is obtained. NOTE Replace one or both springs if mini- mum length is less than 0.40 INCH. Do not stretch spring in order to increase length. Two plates are used on 7-211350012-5 supports and one plate is used on 7-211350012 sup- ports. (5) If correct tension reading on scale (25) is not obtained when only one tension washer (20) remains on each side of support (1), replace spring (18). (6) Install screw (16) through washer (17), spring (18), spacer (19), and tension washer(s) (20) on both sides of plate(s) (21) and (22), damper (24), and support (1). (7) Hand tighten nut (23) on screw (16). (8) Torque nut (23) to 13 INCH-POUNDS. Use torque wrench. GO TO NEXT PAGE 23 M04-0447-23A 16 17 21 22 24 1 ¹⁸20₁₉ 7-211350012-5 SUPPORT 23 16 23 M04-0447-34 16 17 22 24 1 ¹⁸20₁₉ 23 16 7-211350012 SUPPORT 24 M04-0447-9A 23 ²⁰17 16 18 19 22 1 25 1 BASE 21 7-211350012-5 SUPPORT SHOWN