2-22. Valve Train Repair

TM 9-2815-237-34 · Chapter 2 — Engine Maintenance

This task covers:

a. Disassembly c. Inspection

b. Cleaning d. Assembly

INITIAL SETUP

     Tools                                               Equipment Condition
       General mechanic’s tool kit:                        Engine disassembled into subassemblies
        autmotive (Appendix E, Item 1)                     (para. 2-15).
     Materials/Parts
       Four retainers (Appendix D, Item 36)
 Manual References
       TM 9-2815-237-34P

a. Disassembly

                                                  NOTE
                                       Tag rocker arms for assembly.
 1. Remove four retainers (2) and rocker arms (3) from rocker shaft (1). Discard retainers (2).
 2. Repeat step 1 for remaining rocker arm and shaft assemblies.

     b. Cleaning

 Clean all components in accordance with para. 2-9.
c. Inspection

                                                   NOTE
                           For general inspection instructions, refer to para. 2-10.
 1. Inspect rocker shaft (1) for damage. Replace if damaged.
 2. Inspect rocker arms (3) for damage. Replace if damaged.
 3. Inspect pushrods (4) for blocked oil passages and damage. Replace if damaged or oil passages
      are blocked.
 4. Inspect lifters (5) for damage. Replace if damaged.
 5. Inspect roller (6) on lifter (5) for scoring and binding. Replace lifter (5) if scored or binding.

d. Assembly

                                                  NOTE
                           For general assembly instructions, refer to para. 2-12.
 1. Install four rocker arms (3) on rocker shaft (1) with four retainers (2).
 2. Repeat step 1 for remaining rocker arm and shaft assemblies.