Torque for Nuts Used With Positive Retention Bolts

SELF-RETAINING BOLTS INSTALLATION (Continued)

TM-55-1520-240-23-1 UH-1H/V and EH-1H Aircraft Manual
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TM 55-1520-240-23-1 1-14 SELF-RETAINING BOLTS INSTALLATION (Continued) 1-14 b. Apply a light coat of antiseize compound (E75) to OD of bushing and bolt shank of 114R3650 series bolts. Wear gloves (E184.1). c. Align bearing, lugs, bolt, and bushing. Install bolt. d. Place washer(s) on the bolt. Use thick or thin washers as necessary for cotter pin installation. e. Install nut. Torque it to minimum applicable torque. If cotter pin holes are not aligned, tighten nut to align holes. Do not exceed maximum torque. f. Install cotter pin. g. Make sure pawl on bolt is extended. Make sure placards are installed near fastener installation. Torque for Nuts Used With Positive Retention Bolts CAUTION Do not exceed maximum torque for cotter pin hole alignment. NUT AN320 MINIMUM TORQUE (INCH-POUNDS) MAXIMUM TORQUE (INCH-POUNDS) (SEE CAUTION) -5 60 140 -6 95 240 -7 270 500 -8 290 660 -9 480 960 -10 660 1400 -12 1300 3000 TORQUE WRENCHES 30-150 Inch-Pounds 700-1600 Inch-Pounds 100-750 Inch-Pounds 0-600 Foot-Pounds 1-18

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