Mitsubishi L Series Service Manual

ELECTRICAL SYSTEM
12-16
2.4.4 Measuring commutator radial runout
(1) Inspect the commutator surface. If the surface is rough,
polish it using a 400 to 600 grit sandpaper.
(2) Measure the commutator radial runout with a dial
gauge. If the measured value exceeds the limit, replace
the armature with a new one.
Measuring commutator radial runout
2.4.5 Measuring commutator outside diameter
Measure the commutator outside diameter.
If the measured value is less than the limit, replace the
armature with a new one.
Measuring commutator outside diameter
2.4.6 Measuring undercut depth
Measure the depth of undercutting between the commutator
segments.
If the measured value is less than the limit, repair or replace
with a new part.
Measuring commutator mica depth
Item Standard Limit
Commutator radial runout
0.03 mm
[0.0012 in.]
0.10 mm
[0.0039 in.]
Commutator
Item Standard Limit
Commutator outside diameter
29.4 mm
[1.158 in.]
28.8 mm
[1.134 in.]
Outside
diameter
Item Standard Limit
Undercutting depth
0.5 to 1.0 mm
[0.0197 to 0.0394 in.]
0.2 mm
[0.0079 in.]
Segment
Undercut
Mica

Mitsubishi L Series Specifications

General

Brand	Mitsubishi
Model	L Series
Category	Engine
Language	English