TM-9-2920-225-34 Technical Manual for M113 Generator Download

TM 9-2920-225-34 Table 1-1. Standard Torque Specifications USAGE MUCH USED MUCH USED USED AT TIMES USED AT TIMES To 1/2-69.000 To 3/4-120,000 To 5/8– 140,000 150,000 (4850.7000) (8436.0000) CAPSCREW DIAMETER AND (9842.0000) (10545-0000) MINIMUM TENSILE STRENGTH To 3/4–64,000 To 1 – 115,000 To 3/4-133.000 PSI [KG/SQ CM] (4499.2000) (8084.5000) (9349.9000) To 1 –55.000 [3866.5000] QUALITY OF MATERIAL INDETERMINATE MINIMUM MEDIUM BEST COMMERCIAL COMMERCIAL COMMERCIAL CAPSCREW BODY SIZE TORQUE TORQUE TORQUE TORQUE (lNCHES)-(THREAD) FT-LB [KG M ] FT-LB [KG M] FT-LB [KG M] FT-LB [KG M] 1/4–20 5 [0.6915] 8 [1,1064] 10 [1.3830] 12 [1 .6596] -28 6 [0.8298] 10 [1.3830] 14 5/16–18 [1.9362] 11 [1.5213] 17 [2.3511] 19 -24 [2.6277] 24 13 [1.7979] 19 [2.6277] [3.3192] 27 3/8–16 18 [2 48941] 31 [4 2873] [3.7341] –24 34 [4.7022] 44 20 [2.7660] 35 [6.0852] [4.8405] 49 7/16–14 28 [3.8132] 49 [6.7767] [6.7767] –20 55 [7.6065] 70 30 [4.1490] [9.6810] 55 [7.6065] 78 1/2-13 39 [5.3937] [10.7874] 75 [10.3725] 85 –20 [11.7555] 105 [14.5215] 41 [5.6703] 85 [11.7555] 120 [16.5960] 9/16–12 51 [7,0533] 110 [15.2130] -18 120 [16.5960] 55 [7.6065] 155 [21.4365] 120 [16.5960] 5/8-11 170 [23.5110] 83 [11.4789] 150 [20.7450] 167 -18 [23.0961] 95 [13.1385] 170 210 [29.0430] [23.5110] 3/4–10 240 [33.1920] 105 [14.5215] 270 [37.3410] -16 280 [38.7240] 375 [51.8625] 115 [15.9045] 295 [40.7985] 7/8-9 160 [22.1280] 395 420 [58.08601] [54.6285] 440 [60.8520] [24.2025] 435 [60.1605] 605 [83.67151] [32.5005] 675 [93.3525] 590 [81.5970] 660 [91.2780] –14 910 [125.8530] 250 [34.5750] 660 [91.2780) 990 [136.9170] 1. 2 3 4. Always use the torque values listed above when specific specifications are not available Note: Do not use above values in place of those specified in the engine groups of this manual, special attention should be observed in case of SAE Grade 6, 7 and 8 capscrews. The above iS based on use of clean and dry threads Reduce torque by 10% when engine 0il is used as a lubricant Reduce torque by 20% if new plated capscrews are used Caution: Capscrews threaded into aluminum may require reductions in torque of 30% or more, unless inserts are used. TA 113439 1-4