TM-9-2815-205-24 Technical Manual for M113 Engine 6V53 6V53T Download
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DISASSEMBLY 1. Secure piston and connecting rod assembly (Figure 1, Item 8) in a machinist vise with vise jaw caps. Remove fire ring (Figure 2, Item 11), three compression rings (Figure 2, Item 12), upper oil ring (Figure 2, Item 9) , and two lower oil rings (Figure 2, Item 13) from piston (Figure 2, Item 10) using piston ring tool. Remove spiral oil ring expander (Figure 2, Item 15) and wavy oil ring expander (Figure 2, Item 14) from lower grooves in piston. Discard rings and expanders. 2. Remove piston and connecting rod assembly (Figure 1, Item 8) from machinist vise and lay horizontally on flat surface. 10 11 12 13 14 13 15 9 MAINT_354 Figure 2. Piston Ring Disassembly. TM 9-2815-205-24 0094 0094-3