EVERY 3000 HOURS MAINTENANCE
Maintenance for every 100, 250, 500, 1000 and 1500 hours should be performed at the same time.
METHOD FOR CHECKING AND CLEANING FUEL INJECTION SYSTEM
If the fuel injection system does not operate normally, engine performance cannot be obtained thoroughly. It is
necessary to check and clean the fuel injection system. Special tools are needed for inspection and mainte-
nance, so ask your Komatsu distributor to perform this work.
METHOD FOR CHECKING, CLEANING AND TESTING EGR VALVE
The EGR valve is a key component for cleaning exhaust gas.
To prevent the valve from deteriorating in exhaust recirculation performance due to carbon accumulation, con-
tact your Komatsu distributor for checking, cleaning and testing.
METHOD FOR CHECKING AND TESTING INTAKE/EXHAUST THROTTLE VALVE
The intake throttle valve can effect the exhaust gas treatment performance.
The exhaust gas property depends on the exhaust throttle valve.
Contact your Komatsu distributor for checking and testing.
METHOD FOR CHECKING AND CLEANING INJECTOR
Check the injector tip.
Clean the injector tip with a soft brush or replace it if necessary.
METHOD FOR CHECKING ECU AND RELATED SENSORS AND ACTUATORS
Inspect the appearance and wirings of the ECU and related sensors and actuators and check the occurrence
status of error history on monitor machine. Ask your Komatsu distributor to inspect, repair or replace.
EVERY 4000 HOURS MAINTENANCE
Maintenance for every 100, 250, 500, 1000 and 2000 hours should be performed at the same time.
REPLACE DEFINED LIFE PARTS
Material quality of these parts can change as time passes and they are likely to wear out or deteriorate.
Replace them every 2 years or every 4000 hours, whichever comes sooner.
MAINTENANCE PROCEDURE
MAINTENANCE
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Страница 70: ...GENERAL VIEW MACHINE EQUIPMENT NAME RKA67920 GENERAL VIEW OPERATION 3 2 WENAM00241...
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Страница 267: ...MAINTENANCE Please read and make sure that you understand the SAFETY section before reading this section 4 1 WENAM00241...
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