Service manual

STARTING SYSTEM
SERVICE MANUAL NUMBER 26
90-861329--1 MARCH 1999 Page 4A-19
Armature Tests
TEST FOR SHORTS
Check armature for shorts by placing on growler and holding hack saw blade over armature
core while rotating armature. If saw blade vibrates, armature is shorted. After cleaning
between commutator bars, recheck. If saw blade still vibrates, replace armature.
01440
a
b
c
a-Hacksaw Blade
b-Armature Cover
c-Growler
TEST FOR GROUND
1. With continuity meter, place one lead on armature core or shaft and other lead on
commutator.
2. If meter hand moves, armature is grounded and must be replaced.
01441
d
a
b
c
a-Commutator
b-Armature Core
c-Shaft
d-Growler
INDEX