J&M GC-31T Manual User Manual
Page 6
4
GENERAL INFORMATION
BOLT TORQUE CHART
Always tighten hardware to these values unless a different torque or tightening procedure is listed for specific application.
Fasteners must always be replaced with the same grade as specified in the manual parts list.
Always use the proper tool for tightening hardware: SAE for SAE hardware and Metric for Metric hardware.
Make sure fastener threads are clean and you start thread engagement properly.
All torque values are given to specifications used on hardware defined by SAE J1701 & J1701M (JUL 96)
TIGHTENING WHEEL NUTS
Standard 3/4” wheel studs and nuts should be tightented to torque 500 Ft.-Lbs. during initial operation of the grain cart
and then checked for proper torque after every 10 hours of use. Failure to do so may damage wheel nut seats. Once
seats are damaged, it will become impossible to keep nuts tight. Standard 22mm studs with 900/60R32 tires should be
tightened to torque 500 Ft.-Lbs.
Diameter
(Millimeters)
Wrench
Size
N-m
Lbs.-
FT
N-m
Lbs.-
FT
N-m Lbs.-
FT
N-m Lbs.-
FT
Diameter
Thread Pitch
6 x 1.0
10mm
8
6
11
8
8
6
11
8
6 X 1.0
8 x 1.25
13mm
20
15
27
20
21
16
29
22
8 X 1.0
10 x 1.5
16mm
39
29
54
40
41
30
57
42
10 X 1.25
12 x 1.75 18mm
68
50
94
70
75
55
103
76
12 X 1.25
14 x 2.0
21mm
109
80
151
111
118
87
163
120
14 X 1.5
16 x 2.0
24mm
169
125 234
173
181
133
250
184
16 X 1.5
18 x 2.5
27mm
334
172 323
239
263
194
353
268
18 X 1.5
20 x 2.5
30mm
330
244 457
337
367
270
507
374
20 X 1.5
22 x 2.5
34mm
451
332 623
460
495
365
684
505
22 X 1.5
24 x 3.0
36mm
571
421 790
583
623
459
861
635
24 X 2.0
30 x 3.0
40mm
1175 867 1626 1199
1258 928
1740 1283 30 X 2.0
SAE Series
Torque Chart
Marking On Head
SAE 2 SAE 5 SAE 8
Diameter
(inches)
Wrench Size Lbs-Ft N-m
Lbs-Ft
N-m
Lbs-Ft
N-m
1/4
7/16
6
8
10
13
14
18
5/16
1/2
12
17
19
26
27
37
3/8
9/16
23
31
35
47
49
67
7/16
5/8
36
48
55
75
78
106
1/2
3/4
55
75
85
115
120
163
9/16
13/16
78
106
121
164
171
232
5/8
15/16
110
149
170
230
240
325
3/4
1 1/8
192
261
297
403
420
569
7/8
1 5/16
306
416
474
642
669
907
1
1 1/2
467
634
722
979
1020
1383
Metric Series
Torque Chart
Coarse Thread
Marking on Head
Fine Thread
Marking On Head
Metric 8.8 Metric 10.9 Metric 8.8 Metric 10.9