Mitsubishi S4Q2 User Manual

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Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
ENGLISH
CYLINDER HEADS AND VALVE
MECHANISM ENGINE MAIN PARTS
7.2 Inspection
Figure 16 Inspection points
Check surface that makes
contact with walve cap for
wear. Check oil hole for
clogging. Check bushing
for wear.
Check for pitted or
fractured coils. Test
force and length.
Check ends
faces for wear.
Check for bend.
Check for wear.
Check for pitted or fractured
coils. Test force and length.
High speed option
Check face for pitting or ridging (exhaust
valve). Check stem for scratches or scuff
marks.
Replace
Check for uneven wear.
Replace
Replace
Check threads for stripping.
Check surface that makes
contact with valve push rod
for wear.
Check for wear.
Check oil hole for
clogging.
Check for cranks, or
carbon or scale
deposits.

Mitsubishi S4Q2 Specifications

General

Brand	Mitsubishi
Model	S4Q2
Category	Engine
Language	English