Mitsubishi S4Q2 User Manual

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Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
ENGLISH
STARTER ELECTRICAL SYSTEM
2. Testing for grounded circuits
If there is no continuity between the yoke and
positive (+) brush, the insulation and re-pair or
replace the yoke assembly.
27.4.3 Brushed and holders
1. Wear of brushes
Measure the brush length and, if it is less than the
service limit, replace the brushes. If the brushed
are unevenly worn or rough, recondition them with
a sandpaper of #300 to #500.
Unit: mm (in.)
2. Brush spring force
Test the spring force using a new brush. In the test,
read the road at the instant the spring moves off
the brush. If the force is less than the service limit,
replace the spring.
Unit: N (kgf) [lbf]
3. Testing brush holders insulation
If there is any continuity between the positive (+)
brush holder and negative (–) holder plate, replace
the brush holder assembly.
Brush
Item
Assembly
Standard
Service Limit
Length of brush 18 [0.71] 11 [0.43]
Item
Assembly
Standard
Service Limit
Force of brush
spring
29 to 39
(3.0 to 4.0)
[6.6 to 8.8]
19.6
(2.0)
[4.4]

Mitsubishi S4Q2 Specifications

General

Brand	Mitsubishi
Model	S4Q2
Category	Engine
Language	English