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Regional Haul Model Operator's Manual - Peterbilt Motors Company

Regional Haul Model Operator's Manual - Peterbilt Motors Company

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REAR AXLE AND SUSPENSION<br />

Grade 8 Capscrew Torque Specifications<br />

5/16-18 18—25 24—34<br />

-24 20—28 27—38<br />

3/8-16 31—44 42—60<br />

-24 35—50 47—68<br />

7/16-14 50—71 68—96<br />

-20 56—80 53—108<br />

1/2-13 76—109 103—149<br />

-20 86—123 117—167<br />

9/16-12 110—158 149—214<br />

-18 123—176 167—239<br />

5/8-11 153—218 208—296<br />

-18 173—247 235—335<br />

3/4-10 271—386 367—523<br />

-16 303—431 411—583<br />

7/8-9 437—624 593—846<br />

-14 482—589 654—799<br />

1 -8 656—935 889—1268<br />

1-12 718—1023 973—1386<br />

The torque values in the previous tables are based on the<br />

use of clean and dry threads.<br />

For standard capscrews:<br />

1. Always use the torque values listed the capscrew<br />

table.<br />

PREVENTIVE MAINTENANCE<br />

2. Reduce torque by 10% when engine oil is used as a<br />

lubricant.<br />

3. Reduce torque by 20% if new plated capscrews are<br />

used.<br />

– 250 – Y53-6033 <strong>Regional</strong> <strong>Haul</strong> (R05/10)

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