Mitsubishi S12R-T2MPTK Operation & Maintenance Manual page 11

Chapter 8
PERIODIC INSPECTION AND
MAINTENANCE PROCEDURES
Engine Proper......................................8-1
Engine External - Inspect ................................. 8-1
Belt and Belt Tension - Inspect and Adjust ...... 8-2
Damper - Inspect.............................................. 8-3
Cold Weather Operations................................. 8-4
Fuel System.........................................8-5
Fuel System - Inspect ...................................... 8-5
Fuel Tank - Clean............................................. 8-5
Fuel Tank - Drain Water................................... 8-5
Oil-Water Separator - Drain Water................... 8-6
Oil-Water Separator Element - Replace........... 8-6
Gauze Filter - Clean ......................................... 8-7
Fuel Filter - Replace......................................... 8-8
Fuel Filter - Replace While Engine is Running .. 8-9
Fuel Control Link Ball Joint - Inspect.............. 8-10
Fuel Pipe - Inspect ......................................... 8-11
Lubrication System ............................8-12
Engine Oil and Oil Filter - Replace................. 8-12
Fuel and Water Ingress In Engine Oil - Inspect... 8-16
Governor Oil Filter - Change .......................... 8-17
Cooling System .................................8-18
Coolant (Fresh Water) - Change.................... 8-18
Draining Sea Water........................................ 8-20
Seawater Pump Impeller - Inspect ................. 8-21
Seawater Strainer Mesh Filter - Clean and
Replace .......................................................... 8-22
Inlet and Exhaust Systems ................8-23
Turbocharger - Inspect................................... 8-23
Pre-cleaner - Clean, Inspect and Replace ..... 8-23
Electrical System ...............................8-24
Starter - Inspect.............................................. 8-26
Alternator - Inspect......................................... 8-26
Chapter 9
LONG-TERM STORAGE
Storing Engine in an Inoperable
Condition for 3 Months up to 1 Year....9-1
Preparation for Storage.................................... 9-1
Maintenance During Storage ........................... 9-1
When Using Engine After Storage ................... 9-2
Storing Engine in an Operable
Condition .............................................9-2
Operating Engine for Maintenance .................. 9-2
Chapter 10
TRANSPORTATION
Lifting Engine .................................... 10-1
Chapter 11
TROUBLESHOOTING
General Precautions ......................... 11-1
Contact a Dealer of Mitsubishi Heavy Industries
Engine & Turbocharger, Ltd. for Repair Service 11-1
Considerations Before Proceeding with
Corrective Action ............................................ 11-1
Cautions Against Contamination .................... 11-1
Cautions Regarding Parts Handling ............... 11-1
Safety Work.................................................... 11-1
Troubleshooting ................................ 11-2
Tends to Overheat. ........................................ 11-2
When Engine Oil Pressure is Abnormal ......... 11-2
Problems, Probable Causes and
Solutions ........................................... 11-3
The Starter Does not Crank or Cranks Slowly,
Resulting in Start Failure ................................ 11-3
Starter Cranks, but Engine Does Not Start .... 11-4
Insufficient Output .......................................... 11-5
Exhaust Smoke is White or Blue .................... 11-6
Exhaust Smoke is Black or Charcoal ............. 11-7
Excessive Fuel Consumption ......................... 11-8
Excessive Engine Oil Consumption ............... 11-9
Overheating.................................................... 11-9
Engine Oil Pressure Drop ............................ 11-10
When Fuel has Run Out ................. 11-10
Chapter 12
MAIN SPECIFICATIONS
Main Specifications ........................... 12-1
Chapter 13
ELECTRICAL WIRING DIAGRAM
CONTENTS
CONTENTS-3