2-2
LANDOLL CORPORATION
GENERAL TORQUE SPECIFICATIONS (REV. 4/97)
THIS CHART PROVIDES TIGHTENING TORQUES FOR GENERAL PURPOSE APPLICATIONS WHEN SPECIAL TORQUES ARE NOT SPECIFIED
ON PROCESS OR DRAWING.
ASSEMBLY TORQUES APPLY TO PLATED NUTS AND CAPSCREWS ASSEMBLED WITHOUT SUPPLEMENTAL LUBRICATION (AS RECEIVED
CONDITION). THEY DO NOT APPLY IF SPECIAL GRAPHITE MOLY-DISULFIDE OR OTHER EXTREME PRESSURE LUBRICANTS ARE USED.
WHEN FASTENERS ARE DRY (SOLVENT CLEANED), ADD 33% TO AS RECEIVED CONDITION TORQUE.
BOLT HEAD IDENTIFICATION MARKS INDICATE GRADE AND MAY VARY FROM MANUFACTURER TO MANUFACTURER.
THICK NUTS MUST BE USED ON GRADE 8 CAPSCREWS.
USE VALUE IN [ ] IF USING PREVAILING TORQUE NUTS.
TORQUE IS SPECIFIED IN FOOT POUNDS
UNC
Size
SAE
Grade
2
SAE
Grade
5
SAE
Grade
8
UNF
Size
SAE
Grade
2
SAE
Grade
5
SAE
Grade
8
1/4-20
4
[5]
6
[7]
9
[11] 1/4-28
5
[6]
7
[9]
10
[12]
5/16-18
8
[10]
13
[16]
18
[22] 5/16-24
9
[11]
14
[17]
20
[25]
3/8-16
15
[19]
23
[29]
35
[43] 3/8-24
17
[21]
25
[31]
35
[44]
7/16-14
24
[30]
35
[43]
55
[62] 7/16-20
27
[34]
40
[50]
60
[75]
1/2-13
35
[43]
55
[62]
80
[100] 1/2-20
40
[50]
65
[81]
90
[112]
9/16-12
55
[62]
80
[100]
110
[137] 9/16-18
60
[75]
90
[112]
130
[162]
5/8-11
75
[94]
110
[137]
170
[212] 5/8-18
85
[106]
130
[162]
180
[225]
3/4-10
130
[162]
200
[250]
280
[350] 3/4-16
150
[188]
220
[275]
320
[400]
7/8-9
125
[156]
320
[400]
460
[575] 7/8-14
140
[175]
360
[450]
500
[625]
1-8
190
[237]
408
[506]
680
[850] 1-14
210
[263]
540
[675]
760
[950]
1-1/8-7
270
[337]
600
[750]
960 [1200] 1-1/8-12
300
[375]
660
[825]
1080 [1350]
1-1/4-7
380
[475]
840 [1050]
1426 [1782] 1-1/4-12
420
[525]
920 [1150]
1500 [1875]
1-3/8-6
490
[612]
110 [1375]
1780 [2225] 1-3/8-12
560
[700]
1260 [1575]
2010 [2512]
1/1-2-6
650
[812]
1460 [1825]
2360 [2950] 1/1-2-12
730
[912]
1640 [2050]
2660 [3325]
METRIC
COARSE THREAD METRIC CLASS 10.9 FASTENERS AND CLASS 10.0 NUTS AND THROUGH HARDENED FLAT WASHERS, PHOSPHATE
COATED, ROCKWELL C 38-45.
USE VALUE IN [ ] IF USING PREVAILING TORQUE NUTS.
Nominal
Thread
Diameter
mm
Standard Torque
Nominal
Thread
Diameter
mm
Standard Torque
Newton-
Meters
Foot-
Pounds
Newton-
Meters
Foot-
Pounds
6
10
[14]
7
[10]
20
385
[450]
290
[335]
7
16
[22]
12
[16]
24
670
[775]
500
[625]
8
23
[32]
17
[24]
27
980
[1105]
730
[825]
10
46
[60]
34
[47]
30
1330
[1470]
990
[1090]
12
80
[101]
60
[75]
33
1790
[1950]
1340
[1450]
14
125
[155]
90
[115]
36
2325
[2515]
1730
[1870]
16
200
[240]
150
[180]
39
3010
[3210]
2240
[2380]
18
275
[330]
205
[245]
Table 2-1 General Torque Specifications
Summary of Contents for WEATHERPROOFER II 2320 Series
Page 2: ......
Page 6: ......
Page 8: ......
Page 12: ...NOTES 2 4...
Page 13: ...2 5 Figure 2 1 2325 3 30 Shank Spacing...
Page 14: ...2 6 Figure 2 2 2325 4 24 Shank Spacing...
Page 15: ...2 7 Figure 2 3 2325 4 30 Shank Spacing...
Page 16: ...2 8 Figure 2 4 2325 5 24 Shank Spacing...
Page 17: ...2 9 Figure 2 5 2325 5 30 Shank Spacing...
Page 18: ...2 10 Figure 2 6 2325 6 30 Shank Spacing...
Page 19: ...2 11 Figure 2 7 2327 5 30 Shank Spacing...
Page 20: ...2 12 Figure 2 8 2327 6 30 Shank Spacing...
Page 21: ...2 13 Figure 2 9 2327 7 24 Shank Spacing...
Page 22: ...2 14 Figure 2 10 2327 7 30 Shank Spacing...
Page 23: ...2 15 Figure 2 11 2327 8 30 Shank Spacing...
Page 24: ...2 16 Figure 2 12 2327 9 24 Shank Spacing...
Page 26: ...3 2 Figure 3 1 2327 Frame Assembly...
Page 28: ...3 4 Figure 3 2 2325 Rockshaft Installation Figure 3 3 2325 Gauge Wheel Cylinder Installation...
Page 30: ...3 6 Figure 3 4 2327 Rockshaft Installation Figure 3 5 2327 Gauge Wheel Cylinder Installation...
Page 36: ...3 12 Figure 3 8 Pull Hitch Installation...
Page 38: ...3 14 Figure 3 9 Disc Gang Installation...
Page 40: ...3 16 Figure 3 11 Disc Gang Hydraulic Installation...
Page 42: ...3 18 Figure 3 12 Spring Shank Installation...
Page 47: ...NOTES 3 23...
Page 48: ......
Page 53: ...4 5 Figure 4 4 Lubrication Schedule...
Page 54: ...NOTES 4 6...
Page 57: ...NOTES 5 3...
Page 58: ......