Milnor 48040F7D, Installation And Service, Page: 52 / 135

Torque Requirements for Fasteners
PELLERIN MILNOR CORPORATION
Table 12: Torque Values for Stainless Steel Fasteners Larger Than 5/16-inch
Dimension
316 Stainless 18-8 Stainless
18-8 Stainless with
Loctite 767
Pound-feet N-m Pound-feet N-m Pound-feet N-m
3/8 x 16 21 28 20 27 12 16
3/8 x 24 23 31 22 29 13 18
7/16 x 14 33 44 31 42 19 25
7/16 x 20 35 47 33 45 20 27
1/2 x 13 45 61 43 58 26 35
1/2 x 20 47 64 45 61 27 37
9/16 x 12 59 81 57 77 34 46
9/16 x 18 66 89 63 85 38 51
5/8 x 11 97 131 93 125 56 75
5/8 x 18 108 150 104 141 62 84
3/4 x 10 132 179 128 173 77 104
3/4 x 16 130 176 124 168 75 101
7/8 x 9 203 275 194 263 116 158
7/8 x 14 202 273 193 262 116 157
1 x 8 300 406 287 389 172 233
1 x 14 271 367 259 351 156 211
1-1/8 x 7 432 586 413 560 248 336
1-1/8 x 12 408 553 390 529 234 317
1-1/4 x 7 546 740 523 709 314 425
1-1/4 x 12 504 683 480 651 288 390
1-1/2 x 6 930 1261 888 1204 533 722
1-1/2 x 12 732 992 703 953 422 572
2.
Preparation
WARNING 2 : Fire Hazard —Some solvents and primers are flammable.
• Use threadlocker and primers with sufficient airflow.
• Do not use flammable material near ignition sources.
1. Clean all threads with a wire brush or a different tool.
2. Remove the grease from the fasteners and the mating threads with solvent. Make the parts
dry.
Note 3: LocTite 7649 Primer
™
or standard solvents will remove grease from parts.
3. Apply a spray of LocTite 7649 Primer
™
or equal on the fasteners and the mating threads. Let
the primer dry for one minute minimum.
3.
How to Apply a Threadlocker
CAUTION 3 : Malfunction Hazard
—Heat, vibration, or mechanical shocks can let the
fasteners loosen if you do not apply the threadlocker correctly. Loose fasteners can cause
malfunctions of the equipment.
• Read the threadlocker manufacturer's instructions and warnings. Obey these instructions.
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