8-14
Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES
Inlet and exhaust systems
Air cleaner - Check
1. Check the air cleaner indicator for the element
clog.
2. If the element is clogged, the red signal mark is vis-
ible.
3. Immediately clean or replace the air cleaner ele-
ment when the signal turns red.
Note: For cleaning of the air cleaner element, refer to
"Air cleaner element - Clean, Check and Re-
place" (8-16).
Fig. 8-23 Air cleaner - Check
Turbocharger - Inspect
Disconnect the pipe from the air inlet side. Hold the
compressor wheel nut by hand and turn the wheel to
check for looseness or abnormal noise. Replace the
turbocharger if looseness or abnormal noise is found.
Note: When removing an
d inspecting turbocharger,
contact a dealer of Mitsubishi Heavy Industries,
Ltd.
Fig. 8-24 Turbocharger - Inspect
Checking procedure described below is a commonly
used procedure. Some application may be equipped
with different air cleaner.
Reset
button
Signal
(red)
Check the turbocharger when the engine is cold.
Also, make sure that the compressor wheel is not
rotating before inspecting the turbocharger.
If the color of the exhaust gas is abnormal, also
inspect the turbocharger.
Turbocharger
Compressor wheel
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