TABLE OF CONTENTS (CONT)

TB 9-2510-242-40

Section V. FRAME STRUCTURE REPAIR PROCEDURES ..........................................................................................13

5-1

Frame Members and Segments ......................................................................................................13

General .................................................................................................................................13

Repair Planning .....................................................................................................................13

Damaged Frame Members ....................................................................................................13

Welding Requirements ..........................................................................................................14

Bolts and Rivets ....................................................................................................................14

Buckled, Wrinkled, Mangled Segments .................................................................................14

5-2

Frame Straightening .......................................................................................................................15

Temperature Conditions ........................................................................................................15

Stresses/Stressing .................................................................................................................15

Inspection ..............................................................................................................................15

Application of Straightening Forces .......................................................................................15

5-3

Frame Welding ...............................................................................................................................15

Remove Structural Load ........................................................................................................15

Align Members ......................................................................................................................15

Prepare Weld Joints ..............................................................................................................15

Weld Joint .............................................................................................................................16

Strengthen Weld Joint ...........................................................................................................16

Treat/Paint Repair Joint .........................................................................................................16

Cracked/Broken Weld Joint ...................................................................................................16

Cracked/Broken Member .......................................................................................................16

5-4

Repairing/Replacing Deformed Member .........................................................................................17

Complete Member Replacement ...........................................................................................17

Segment Replacement ..........................................................................................................18

5-5

Repairing Deterioration Caused by Corrosion..................................................................................18

Detection and Degree of Deterioration ...................................................................................18

Overall Corrosion Deterioration .............................................................................................19

Localized Corrosion Deterioration ..........................................................................................19

Section VI. AXLE ALIGNMENT PROCEDURE ..............................................................................................................21

6-1

Perform Pre-alignment Activity .......................................................................................................21

6-2

Normalize Suspension Loading .......................................................................................................21

6-3

Position Trailer................................................................................................................................21

6-4

Check and Adjust Lateral Position...................................................................................................21

Determine Lateral Position ....................................................................................................21

Adjust Lateral Position ...........................................................................................................21

6-5

Check and Adjust Longitudinal Position...........................................................................................21

Axle No. 1. ...........................................................................................................................21

Axle No. 2. ...........................................................................................................................25

Axle No. 3 ............................................................................................................................25

Bogie (Axles not Independently Adjustable) ...........................................................................25