Grounding Of Armature Coil; Checking Armature Flexure; Checking Armature Coil Short-Circuited; Checking Field Coil Breakage - Kubota D1102-B Workshop Manual

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Grounding of Armature Coil

1 ) Check conduction
a rmatu re shaft.
2) I f cond ucti n g, repl ace.
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Checking Armature Flexure

1) Measu re the amoun t of flexu re; i f the measu remen t
exceeds the reference val ue, replace. Caref ul l y check to
see if the core is scratched.
C,

Checking Armature Coil Short-Circuited

1) Set the armature on the
armatu re whi le touch i n g it wi th steel piece.
2) I f the steel piece starts to vi brate or to be attracted some-
where on the armatu re, this suggests that the coi l contains
a l ayer short at that poi n t.
3) I f faul ty, repl ace.
@

Checking Field Coil Breakage

1) ) To check cond uction , pl ace the tester probes onto
the lead and b rush .
2) I f either are n ot cond ucti ng, replace.
93
across the com mutator
ar matu re tester. Rotate
KiSC issued 09, 2007 A
and the
the