Cylinder Block, Liners, Pistons, and Rods
02
030
5
RG,RG34710,1112
–19–06MAY99–1/1
Preliminary Liner, Piston, and Rod Checks
Scuffed or Scored Pistons:
•
Overheating.
•
Overfueling.
•
Insufficient lubrication.
•
Insufficient cooling.
•
Improper piston-to-liner clearance.
•
Coolant leakage into crankcase.
•
Misaligned or bent connecting rod.
•
Improperly installed piston.
•
Low oil level.
•
Improper operation.
•
Incorrect connecting rod bearing clearance.
•
Carbon build-up in ring groove.
•
Improper engine break-in.
•
Worn piston.
•
Contaminated oil.
•
Distorted cylinder liner.
•
Plugged piston cooling orifice.
•
Ingestion of dust through air intake.
Worn or Broken Compression Rings:
•
Insufficient lubrication.
•
Insufficient cooling.
•
Improper ring installation.
•
Improper timing.
•
Abrasives in combustion chamber.
Clogged Oil Control Ring:
•
Improper oil.
•
Excessive blow-by.
•
Contaminated oil.
•
Improper periodic service.
•
Low operating temperature.
Stuck Rings:
•
Improper oil classification.
•
Improper periodic service.
•
Poor operating conditions.
•
Coolant leakage into crankcase.
•
Excessive cylinder liner taper.
Mottled, Grayish or Pitted Compression Rings:
•
Internal coolant leaks.
Dull Satin Finish and Fine Vertical Scratches on
Rings:
•
Dirt and abrasives in air intake system.
Piston Pin and Snap Ring Failure:
•
Misaligned connecting rod.
•
Excessive crankshaft end play.
•
Incorrect snap rings.
Broken Connecting Rod:
•
Inadequate piston-to-liner clearance.
•
Worn connecting rod bearing.
•
Distorted cylinder liner.
•
Piston pin failure.
Cylinder Liner Wear and Distortion:
•
Incorrectly installed compression rings.
•
Insufficient lubrication.
•
Uneven cooling around liner.
•
Inadequate piston-to-liner clearance.
•
Liner bore damage.
Warped Cylinder Block:
•
Insufficient cooling.
CTM100 (06APR04)
02-030-5
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=145
Summary of Contents for 6105ADW
Page 16: ...Contents 01 CTM100 06APR04 01 2 POWERTECH 10 5 L 12 5 L Diesel Engines 040604 PN 2 ...
Page 50: ...Contents 02 CTM100 06APR04 02 4 POWERTECH 10 5 L 12 5 L Diesel Engines 040604 PN 4 ...
Page 334: ...Contents 03 CTM100 06APR04 03 2 POWERTECH 10 5 L 12 5 L Diesel Engines 040604 PN 2 ...
Page 350: ...Contents 04 CTM100 06APR04 04 2 POWERTECH 10 5 L 12 5 L Diesel Engines 040604 PN 2 ...
Page 376: ...Contents 05 CTM100 06APR04 05 2 POWERTECH 10 5 L 12 5 L Diesel Engines 040604 PN 2 ...
Page 412: ...Contents 06 CTM100 06APR04 06 2 POWERTECH 10 5 L 12 5 L Diesel Engines 040604 PN 2 ...