TM-9-2815-205-24 Technical Manual for M113 Engine 6V53 6V53T Download
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DISASSEMBLY - Continued 4. Remove two camshaft headless straight pins (Figure 5, Item 29) from camshaft (Figure 5, Item 26) in the following manner: CAUTION Use care when handling cam lobes or journals of shaft. Lobe and journal surfaces are precision machined and must not be damaged. a. Clamp camshaft in a machinist vise with vise jaw caps. b. Make indentation in center of headless straight pin with twist drill set. c. Punch a deep hole with a center punch to break through hardened surface of headless straight pin. d. Drill a 1/4 inch (6.35 mm) hole straight through center of headless straight pin with a portable electric drill. e. Use 1/4 inch (6.35 mm) drilled hole as a guide and re-drill headless straight pin with twist drill set. f. Tap a hole with a 3/8"-16 tap. g. Thread 3/8"-16 UNC adapter (Figure 5, Item 28) into headless straight pin. Fasten slide hammer set mechanical puller (Figure 5, Item 5) to adapter. Remove and discard headless straight pin. NOTE If suitable rod is not available, remove remaining headless straight pin by repeating Steps 4.a.–4.g. h. Insert a long 3/8 inch (9.53 mm) steel rod into camshaft. Drive out remaining headless straight pin. Discard headless straight pin. 29 26 5 28 MAINT_344 Figure 5. Camshaft Disassembly. END OF TASK TM 9-2815-205-24 0092 0092-5