TM-9-2350-311-34-2 Maintenance Manual for Volume 2 M109 Cab Download
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TM 9-2350-311-34-2 D-1 TORQUE LIMITS Table D-1 lists wet torque limits. D-2 HOW TO USE TORQUE TABLE a. b. c. d. e. f. Measure diameter of screw you are installing. Count the number of threads per inch or use a pitch gage. Under heading “SIZE”, look down the left hand column until you find the diameter of the screw being installed (there will usually be two lines beginning with the same size). In the second column under’’SIZE”, find the number of threads per inch that matches the number of threads counted in step b. To find the grade screw being installed, match markings on the head to the correct picture of cap screw head markings on the torque table. Look down the column under the picture found in step e, until you find the torque limit in Ib-ft or N·m for the diameter and threads per inch of the screw being installed. NOTE Manufacturer’s cap screw head marking may vary. These are all SAE grade 5 (3 line). D-2