Service Manual User guide

SECTION 1 - SPECIFICATIONS
3121322 – JLG Lift – 1-7
Figure 1-4. Torque Chart (Metric Conversion) - (For ASTM Fasteners)
VALUES FOR ZINC PLATED / YELLOW CHROMATE FASTENERS ONLY UNPLATED CAP SCREWS
SAE GRADE 5 BOLTS &
GRADE 2 NUTS
SAE GRADE 8 BOLTS & GRADE 8 NUTS
& SOCKET HEAD CAP SCREWS
UNBRAKO 1960 SERIES
SOCKET HEAD
SIZE
THDS.
PER
INCH
BOLT
DIA.
TENSILE
STRESS
AREA
CLAMP
LOAD
TORQUE
CLAMP
LOAD
TORQUE
CLAMP
LOAD
TORQUE
DRY OR
LOCTITE
263
LUB
LOCTITE
262
LOCTITE
242 OR
271
DRY OR
LOCTITE
263
LUB
LOCTITE
262
LOCTITE
242 OR
271
WITHOUT
LOC-WEL
PATCH
WITH
LOC-WEL
PATCH
IN SQ. IN. LB. N, m N, m N, m N, m LB. N, m N, m N, m N, m LB. N, m N, m
4
40
0.1120
0.00604 380 .8 .8 — — 540 1.4 1.0 — — — — —
48 0.00661 420 1.0 .8 — — 600 1.5 1.0 — — — — —
6
32
0.1380
0.00909 580 1.8 1.4 — — 820 2.6 2.0 — — — — —
40 0.01015 610 2.0 1.6 — — 920 2.8 2.2 — — — — —
8
32
0.1640
0.01400 900 3.4 2.4 — — 1260 4.6 3.4 — — — — —
36 0.01474 940 3.4 2.6 — — 1320 5 3.6 — — — — —
10
24
0.1900
0.01750 1120 5 3.6 — — 1580 7 5 — — — — —
32 0.02000 1285 6 4 — — 1800 8 6 — — — — —
1/4
20
0.2500
0.0318 2020 11 8 — 12 2860 16 12 — 18 3180 18 19
28 0.0364 2320 14 10 — 15 3280 19 14 — 21 3640 19 20
IN SQ. IN. LB. N, m N, m N, m N, m LB. N, m N, m N, m N, m LB. N, m N, m
5/16
18
0.3125
0.0524 3340 23 18 22 26 4720 34 24 30 41 5240 34 38
24 0.0580 3700 26 19 23 28 5220 34 27 34 41 5800 37 41
3/8
16
0.3750
0.0775 4940 41 31 38 47 7000 61 47 54 68 7750 61 68
24 0.0878 5600 47 34 43 54 7900 68 47 61 75 8780 68 75
7/16
14
0.4375
0.1063 6800 68 47 61 75 9550 95 75 85 108 10630 95 104
20 0.1187 7550 75 54 68 81 10700 108 81 95 122 11870 102 111
1/2
13
0.5000
0.1419 9050 102 75 92 115 12750 149 108 130 163 14190 149 163
20 0.1599 10700 122 88 108 136 14400 163 122 146 183 15990 156 172
9/16
12
0.5625
0.1820 11600 149 108 133 163 16400 203 149 188 224 18200 210 230
18 0.2030 12950 163 122 148 183 18250 230 176 209 258 20300 224 247
5/8
11
0.6250
0.2260 14400 203 149 183 224 20350 298 230 244 325 22600 285 313
18 0.2560 16300 230 176 207 258 23000 325 244 277 359 25600 298 328
3/4
10
0.7500
0.3340 21300 353 271 325 386 30100 515 380 408 569 33400 495 542
16 0.3730 23800 407 298 363 447 33600 569 434 456 630 37300 542 597
7/8
9
0.8750
0.4620 29400 583 434 523 644 41600 813 624 658 895 46200 793 874
14 0.5090 32400 637 475 576 705 45800 895 678 724 983 50900 861 949
1
8
1.0000
0.6060 38600 868 651 785 915 51500 1220 922 931 1342 60600 1173 1288
12 0.6630 42200 949 719 858 997 59700 1356 1003 1079 1491 66300 1241 1356
1-1/8
7
1.1250
0.7630 42300 1085 813 968 1139 68700 1735 1302 1396 1898 76300 1681 1851
12 0.8560 47500 1193 895 1087 1254 77000 1952 1464 1566 2135 85600 1871 2061
1-1/4
7
1.2500
0.9690 53800 1518 1139 1368 1593 87200 2468 1844 1970 2712 96900 2373 2610
12 1.0730 59600 1681 1247 1516 1763 96600 2712 2034 2183 2983 107300 2549 2807
1-3/8
6
1.3750
1.1550 64100 1979 1491 1792 2068 104000 3227 2413 2586 3559 115500 3145 3457
12 1.3150 73000 2278 1708 2042 2373 118100 3688 2766 2935 4067 131500 3308 3640
1-1/2
6
1.5000
1.4050 78000 2630 1979 2379 2745 126500 4284 3200 3430 4711 140500 4122 4535
12 1.5800 87700 2983 2224 2676 3118 142200 4827 3606 3856 5322 158000 4433 4881
Note: These torque values do not apply to cadmium plated fasteners.