D439E Service Manual 2. Engine Mechanical System (D439E)
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5. Remove the compressor cover (1).
CAUTION
a. Lightly tap the compressor cover
circumference with rubber hammer so that
compressor cover is not damaged.
b. Since compressor wheel blade is easily bent,
exercise care when removing the compressor
cover.
Inspection
1. Measure the shaft directional clearance of shaft
and turbine wheel assembly, If the measurement
exceeds the limit, replace the cartridge assembly
(1).
2. Check the shaft directional clearance of shaft and
turbine wheel assembly.
a. Check the clearance of shaft and turbine wheel
assembly.
b. Inspect the clearance of compressor wheel side.
If the measurement exceeds the limit, replace
the cartridge assembly (1).