Sec. 2 Overhaul of Engine Lower Structure Flashcards
0
Q
What are some causes of irregular wear patterns?
A
Profile problem on crankshaft journal
Bent crankshaft
Main bearing bores that are not in alignment
Main and rod bores that are not round
1
Q
What should are the steps in preparation for disassembly?
A
How extensive the overhaul must be.
If the engine has failed the cause of failure must be corrected
2
Q
Questions that need to be answered befire assembling engine?
A
Was the engine disassembled at normal overhaul
If a failure occurred, what caused it and was it corrected
Were other mating parts damaged
Did you read the iron
3
Q
If a bearing failure is present can you reuse an oil cooler?
A
No
4
Q
Should bearings be measured for clearance?
A
Caterpiller does not recommend it because the bearing may bevome damaged during the process.
