Usage:
Inch Nuts and Bolts
1. Listed torques are based on clean dry threads.
2. Reduce torque 10% if both parts are thoroughly soaked in oil.
3. Reduce torque 20% if "never-seez" or "molycoat" is used on the threads and under the bolt head.
4. Reduce torque an additional 20% if new plated (bright) bolts are used.
5. Increase torque 20% if multiple tapered tooth lockwashers are used.
6. Suggested torques result in clamp loads equal to 75% of proof load.
NOTE: All values given are based on adequate thread engagement. Bolts threaded into aluminum may require reductions in torque of 30% or more unless inserts are used.
Split Flange Torques
| NOTICE |
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Lubricate the o-ring before assembly. All mating surfaces must be clean. All bolts must be evenly torqued. Don't tighten any one bolt fully before going to the next one. |
Split Flange Fittings
(Use Grade 5 Bolts)
| NOTICE |
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Air wrenches tend to cause flange tipping. |
- 1. Because of the tolerance build up in all component parts plus the bolt bending, the flange halves can move sideways in direction "A" and "B". This can lessen the shoulder contact with the flange to zero in the center area between the long bolt spacing.
SAE 37° Alternate Tightening Method
A. SAE 37° Alternate Tightening Method
- 1. Here is a foolproof method of tightening. Anyone can tell if the joint was tightened and how much:
a. Tighten nut finger tight until it bottoms the seats.
b. Mark a line lengthwise on the nut and extend it onto the adapter. Use an ink pen or marker.
c. Using a wrench, rotate the nut to tighten. Turn the nut the amount shown in the chart on next page.
| NOTICE |
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The misalignment of the marks will show how much the nut was tightened and, best of all, that it has been tightened. |
Inch Taperlock Studs
Bolts & Nuts on Hydraulic Valve Bodies
Bolt Torques for Ground Engaging Tools
Budd Recommended Mounting Torque
Always be sure that wheel nuts are torqued to values shown.
