7-7
Chapter 7 MAINTENANCE SCHEDULE
*1 It is not a item supplied from Mitsubishi Heavy Industries, Ltd., however, please maintain the part regularly to use
the engine securely and effectively.
*2 Items require special tools or large equipment. For the servicing of those items, contact a dealer of Mitsubishi
Heavy Industries, Ltd.
Every 8 years
Engine - Major Overhaul
Disassemble engine, clean, check and change major parts.
*2
Damper - Replace
*2
Oil Pump - Repair or Replace
*2
Fuel Injection Nzzle - Nozzle tip Replacement
(check the spray condition and adjust the fuel injection pressure after
replacement)
*2
Rubber parts and O-rings - Replace
*2
Unit Seal and Oil Seal of Water Pump - Replace
*2
Turbocharger - Disassemble and Inspect
*2
Aftercooler - Disassemble and Clean
*2
Vibration-isolating Rubber - Repair or Replace *1
*2
Couplings - Repair or Replace *1
*2
Governor Motor - Repair or Replace *1
*2
Air Ventilation Fan of the Room - Repair or Replace *1
*2
Stop Solenoid - Inspect or Replace
*2
Ball Tap of Water Tank - Repair or Replace *1
*2
Other Consumables - Replace
*2
Table 7-2 Periodic Maintenance Chart for Emergency Engine
Interval and service item
Refer-
ence
page
