New Holland LS140 Workshop Manual page 579

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Inspect the field coil for an open circuit with a

continuity tester. Replace the motor housing if there

is no continuity between the two brushes.

Inspect the field coils for short to ground with a

continuity tester. If any continuity is noted between

the brush and motor housing, locate the fault in the

insulation, and repair or replace the motor housing as

appropriate.

Check field poles and coils for tightness. Replace the

motor housing if loose or improperly seated coils are

SECTION 55 - ELECTRICAL SYSTEM

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