TM-9-2815-205-24 Technical Manual for M113 Engine 6V53 6V53T Download
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REMOVAL 1. Remove eight small self-locking screws (Figure 1, Item 5), eight hardened washers (Figure 1, Item 6), eight large bolts (Figure 1, Item 4), eight hardened washers (Figure 1, Item 3), and four stabilizer plates (Figure 1, Item 7) from bottom of cylinder block. Discard self-locking screws. CAUTION Keep main bearing caps and main bearing shells in their original position. Main bearing caps are numbered 1, 2, 3, and 4. Upper bearing shell has an oil hole and groove for lubrication, and lower bearing shell is smooth with no groove or oil hole. 2. Remove four main bearing caps (Figure 1, Item 2) from cylinder block. Remove four lower bearing shells (Figure 1, Item 11) and two lower thrust washers (Figure 1, Item 1) (rear cap only) from caps and mark with corresponding bearing number. WARNING If hoist and sling are not available, use two or more personnel to remove crankshaft. Crankshaft is heavy and awkward to handle. Serious injury can result if crankshaft is dropped. Failure to comply may result in injury to personnel. 3. Remove crankshaft (Figure 1, Item 8) from cylinder block. 4. Remove four upper bearing shells (Figure 1, Item 10) and two upper thrust washers (Figure 1, Item 9) from block and mark with corresponding bearing number. 9 11 2 2 8 9 10 1 2 1 5 6 7 3 4 MAINT_393 Figure 1. Crankshaft Removal. END OF TASK TM 9-2815-205-24 0097 0097-2