Mitsubishi S4Q2 User Manual

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Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
ENGLISH
FLYWHEEL ENGINE MAIN PARTS
8.2 Inspection
8.2.1 Flywheel and ring gear
1. Flatness of flywheel
Put the flywheel on the surface plate. Set a dial
indicator at one side of the friction surface and
move it over to the opposite side of the surface, as
shown in the illustration. If the friction surface is not
flat over the repair limit, regrind it.
Unit: mm [in.]
Figure 51 Inspection points
Check for cracks or
defective dowel holes.
Check friction surface for cracking
scoring, or other defects that affect
serviceability. Examine ring gear for
worn or defective teeth.
Replace
Replace
Figure 52 Checking flywheel
Item
Assembly
Standard
Repair
Limit
Flatness of flywheel
0.15 [0.0059]
of less
0.50
[0.0197]

Mitsubishi S4Q2 Specifications

General

Brand	Mitsubishi
Model	S4Q2
Category	Engine
Language	English