15-38
Mitsubishi 6M70 Turbocharger
Disassembly sequence
Assembly sequence
Follow the disassembly sequence in reverse.
Service standards (Unit: mm)
Location Maintenance item Standard value Limit Remedy
2 Spacer outside diameter – φ11.5 Replace
3 Joint inside diameter – φ12.5 Replace
4 Air cylinder
Stroke
(operating air pressure:
390 to 785 kPa {4 to 8 kgf/
cm
2
} when compressed air
introduced)
Port A 12 –
Replace
Port B 6 –
Port C 3 –
Airtight test (390 to 785 kPa {4 to 8
kgf/cm
2
})
No air leakage of 25 cm
2
{25 mL} for 1 minute
–
7 Play between nozzle lever plate and link 0.05 to 0.40 1.0 Replace
10, 14
Clearance between compressor cover and compressor
wheel
0.08 to 0.28 – Check parts
14
Cartridge as-
sembly
Play in axial direction of shaft and tur-
bine wheel
0.075 to 0.155 – Check parts
Shaft and turbine wheel-to-turbine
back plate clearance
0.48 to 0.92 – Check parts
1 Connecting lever
2 Spacer
3 Joint
4 Air cylinder
5 Bracket
6 Clamp bolt
7 Nozzle
8 Flange
9 Snap ring
10 Compressor cover
11 O-ring
12 Clamp plate
13 Turbine housing
14 Cartridge assembly
(See later section.)
: Non-reusable parts
TURBOCHARGER
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