TM-9-2320-366-34-4 MTV Direct Maintenance Manual M1083 Series - Volume 4 Download
Page 219 of 796
TM 9-2320-366-34-4 e. Installation. CAUTION • Ensure main bearing tabs engage grooves in block and cap. Permanent damage to engine could occur if bearings are not properly installed. Failure to comply may result in damage to equipment. • Ensure new bearings are installed as a matched set to each corresponding journal and cap. Permanent damage could occur if bearings are not from same set. Failure to comply may result in damage to equipment. NOTE Number six bearing is crankshaft thrust bearing. Upper (or block) half of main bearings two, three, five, and six are slotted for oil flow to connecting rod bearings. Ensure no oil is allowed on back of bearings. (1) Install thrust bearing (1) in No. 6 journal of cylinder block (2). (2) Install other half of thrust bearing (1) in No. 6 crankshaft main bearing cap (3). (3) Perform step (1) for six remaining main bearing halves in journals of cylinder block (2). (4) Perform step (2) for six remaining main bearing halves in corresponding crankshaft main bearing caps (3). CAUTION Do not get oil on backs of main bearing halves. Failure to comply may result in damage to equipment. (5) Lubricate face of all main bearing halves (1) in cylinder block (2). (6) Lubricate face of main bearings (1) in crankshaft main bearing caps (3). 20-37