Checking Armature Coil; Inspecting Rear Bracket - Mitsubishi L Series Service Manual

2.4.7

Checking armature coil

(1) Inspect the armature coil using a growler.
Hold a piece of iron plate against the armature core. If
the iron plate vibrates, replace the armature with a new
one.
(2) Check that there is no continuity between the
commutator and the shaft (core).
If any continuity is observed, replace the armature with
a new one.
(3) Check that there is continuity between segments in
various combinations.
If poor or no continuity is observed, replace the
armature with a new one.
2.4.8

Inspecting rear bracket

Replace the rear bracket if the bearing is worn.
ELECTRICAL SYSTEM
Growler
tester
Inspecting armature coil for short circuit
Checking armature coil for grounding
Checking armature coil for breaks
Iron plate
12-17