NMC-WOLLARD 100 - Bolt Tightening Data

NMC-WOLLARD 2021Truax Blvd., Eau Claire, WI 54703, Phone (715) 835-3151, Fax (715) 835-6625
M100 Tow Tractor Manual No. 46052
PAGE 3
CHAPTER 2 MAINTENANCE
METRIC TIGHTENING TORQUE N-m
Bolt Size Class 8.8 Dry Class 8.8
Lubed
Class 9.8 Dry Class9.8
Lubed
Class 10.9
Dry
Class 10.9
Lubed
8.0 x 1.25 26.40 19.80 28.50 21.40 36.50 27.30
10.0 x 1.50 52.20 39.20 56.60 42.40 72.20 54.20
12.0 x 1.75 91.00 68.00 99.00 74.00 126.00 94.00
14.0 x 2.00 145.00 109.00 157.00 118.00 200.00 150.00
16.0 x 2.00 226.00 170.00 245.00 184.00 313.00 235.00
20.0 x 2.50 441.00 331.00 478.00 358.00 610.00 458.00
24.0 x 3.00 762.00 572.00 826.00 620.00 1055.00 791.00
30.0 x 3.50 1515.00 1136.00 1641.00 1231.00 2095.00 1572.00
36.0 x 4.00 2647.00 1985.00 2868.00 2151.00 3662.00 2746.00
INCH TIGHTENING TORQUE, FT-LB
Bolt Size Grade 2 Dry Grade2 Lubed Grade 5 Dry Grade 5
Lubed
Grade 8 Dry Grade 8
Lubed
0.250-28 7 5 10 8 14 11
0.250-20 6 5 9 7 12 9
0.3125-24 13 10 20 15 28 21
0.3125-18 12 9 18 14 25 19
0.375-24 23 17 35 27 50 38
0.375-16 20 15 31 24 44 33
0.4375-20 36 27 56 42 78 59
0.4375-14 32 24 50 38 70 53
0.500-20 55 42 85 64 120 90
0.500-13 49 37 76 32 107 80
0.5625-18 78 59 121 91 171 128
0.5625-12 70 53 109 82 154 115
0.625-18 110 82 170 127 240 180
0.625-11 97 73 150 113 212 159
0.750-16 192 144 297 223 420 315
0.750-10 172 129 269 201 376 282
1.000-12 -- -- 704 528 995 746
1.000-8 -- -- 644 483 909 681
1.2 BOLT TIGHTENING DATA
The following data is excerpted from SAE Report J1701, March, 1999. The
complete report is available from SAE at www.sae.org. It contains detailed
information about variables for torquemanagement to achieve correct fastener joint
tightening. This is an advisory guide and responsibility for its application lies with
the user. Individual application discretion is recommended.
1 SERVICING
APRIL 15, 2012
37
o
TUBE FITTINGS & PIPE FITTINGS
Dash # 37
o


37
o



O-Ring Lock
Nut Ft-Lbs.
Pipe Dia. Inch) NPT Ft. Lbs. NPT Turns
from Finger
Tight
-04 10 2 8 1/4 25 2 1/2
-06 20 1 1/4 13 3/8 40 2 1/2
-08 40 1 21 1/2 54 2 1/2
-10 60 1 33 -- -- 2 1/2
-12 80 1 48 3/4 78 2 1/2
-16 110 1 63 1 112 2 1/2
-20 130 1 -- 1 1/4 154 2 1/2
-24 160 1 -- 1 1/2 211 2 1/2
-32 250 1 -- 2 300 2 1/2
Torque Conversion: Ft-Lbs = 0.7376xN-m N-m = 1.356xFt-Lbs
NOTE: 󰀨