Mitsubishi S4Q User Manual

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Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
OIL PUMP
ENGLISH
LUBRICATION SYSTEM
LUBRICATION SYSTEM
23 OIL PUMP
23.1 Disassembly
1. Oil strainer
2. Cover
3. Oil pump
23.2 Inspection
1. Checking clearance between outer rotor and inner
rotor
Check the clearance with a feeler gage, as shown
in the illustration. If the clearance exceeds the
service limit, replace the pump assembly.
Unit: mm [in.]
Figure 175 Disassembly sequence
Abnormal gear, friction
Figure 176 Checking clearance between outer rotor
and inner rotor
Item
Assembly
Standard
Service
Limit
Clearance between outer
rotor and inner rotor
0.13 to 0.15
[0.0051 to 0.0059]
0.20
[0.0079]

Mitsubishi S4Q Specifications

General

Brand	Mitsubishi
Model	S4Q
Category	Engine
Language	English