STARTER (Cont'd)
Cleaning and
Inspection
Use a brush and air pressure to clean the drive, field coils,
armature and starter housing.
NOTE: Do
not
use
solvent
to
clean the
drive
assembly. The
solvent
will remove
the
lubricant
and
the
drive
will slip.
Check the following items:
Armature
Broken or burned insulation.
Loose connections at commutator.
Open or grounded circuits [C) &
(0).
Worn shaft or bearings.
Rough commutator.
Brush Holders
Broken springs.
Broken insulation.
Spring tension.
Field Coils
Broken or burned insulation.
Electrical continuity.
Brush connections.
Drive Gears
Worn teeth.
Tooth engagement.
Field Coils
Broken
or
burned insulation
Electrical continuity [C).
Brush connections.
Drive Gear:
Worn teeth
Tooth engagement (drive gear must engage ring gear
by 1/2 the depth of the ring gear tooth)
To
test for ground, use a test light and touch one probe to
the body and the other probe to the field winding end of
the brush. The lamp should not light
(0).
Revised Sept.
90
A
B
c
-6-19-
A-01995
A-01994
6-02122
741,742
, 743, 7430S Bobcat Loader
Service Manual
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