Section 9: Torque Values Chart; Torque Values Chart For Common Bolt Sizes; Tire Inflation Chart - Land Pride AFM4522 Operator's Manual

Section 9: Torque Values Chart

Section 9: Torque Values Chart
Bolt Head Identification
Bolt Size
(inches) Grade 2
1 2
in-tpi N · m ft-lb
1/4" - 20
7.4
1/4" - 28 8.5
5/16" - 18 15
5/16" - 24 17
3/8" - 16
27
3/8" - 24
31
7/16" - 14
43
7/16" - 20 49
1/2" - 13 66
1/2" - 20 75
9/16" - 12
95
9/16" - 18
105
5/8" - 11 130
5/8" - 18 150 110
3/4" - 10 235 170
3/4" - 16 260 190
7/8" - 9
225 165
7/8" - 14
250 185
1" - 8 340 250
1" - 12 370 275
1-1/8" - 7 480 355
1-1/8" - 12
540 395
1-1/4" - 7
680 500
1-1/4" - 12
750 555
1-3/8" - 6 890 655
1-3/8" - 12 1010 745
1-1/2" - 6 1180 870
1-1/2" - 12
1330 980
Torque tolerance + 0%, -15% of torquing values. Unless otherwise specified use torque values listed above.
All locknuts or lubricated fasteners: Use 75% of torque value. (i.e. 1/2"-13 GR5 = 76 ft-lb; 75% of 76 or .75 x 76 = 57 ft-lb)
Blade Bolt 1/2"-20 UNF Gr 8
52
AFM4522 All-Flex Grooming Mower 315-360M
Table of Contents

Torque Values Chart for Common Bolt Sizes

Grade 5 Grade 8
3
N · m ft-lb N · m
5.6 11 8 16
6 13 10 18
11 24 17 33
13 26 19 37
20 42 31 59
22 47 35 67
32 67 49 95
36 75 55 105
49 105 76 145
55 115 85 165
70 150 110 210
79 165 120 235
97 205 150 285
230 170 325
360 265 510
405 295 570
585 430 820
640 475 905
875 645 1230
955 705 1350
1080 795 1750
1210 890 1960
1520 1120 2460
1680 1240 2730
1990 1470 3230
2270 1670 3680
2640 1950 4290
2970 2190 4820
Additional Torque Values

Tire Inflation Chart

Tire Size
18 x 19.5 Air Tire
P27560SR
Bolt Size
(Metric)
4
ft-lb mm x pitch N · m
M 5 X 0.8
12
14 M 6 X 1
25 M 8 X 1.25
27 M 8 X 1
M10 X 1.5
44
M10 X 0.75
49
M12 X 1.75
70
78 M12 X 1.5
105 M12 X 1
120 M14 X 2
M14 X 1.5
155
M16 X 2
170
210 M16 X 1.5
240 M18 X 2.5
375 M18 X 1.5
420 M20 X 2.5
M20 X 1.5
605
M24 X 3
670
910 M24 X 2
995 M30 X 3.5
1290 M30 X 2 1060
M36 X 3.5
1440 1730
M36 X 2
1820 1880
1
2010 in-tpi = nominal thread diameter in inches-threads per inch
2
2380 N· m = newton-meters
3
2710 ft-lb= foot pounds
4
3160 mm x pitch = nominal thread diameter in millimeters x thread
pitch
3560
Do not exceed 55 ft-lb (75 N · m)
Inflation PSI
24
34
Bolt Head Identification
8.8
5.8
Class 5.8 Class 8.8
ft-lb N · m ft-lb
4 3 6 5
7 5 11 8
17 12 26 19
18 13 28 21
33 24 52 39
39 29 61 45
58 42 91 67
60 44 95 70
90 66 105 77
92 68 145 105
99 73 155 115
145 105 225 165
155 115 240 180
195 145 310 230
220 165 350 260
280 205 440 325
310 230 650 480
480 355 760 560
525 390 830 610
960 705 1510 1120
785 1680 1240
1270 2650 1950
1380 2960 2190
10.9
Class 10.9
N · m ft-lb
9 7
15 11
36 27
39 29
72 53
85 62
125 93
130 97
145 105
200 150
215 160
315 230
335 245
405 300
485 355
610 450
900 665
1050 780
1150 845
2100 1550
2320 1710
3660 2700
4100 3220
11/18/21