Yale B827 User Manual

Table 2. Commutator Problems (Continued)
Problem Possible Cause Illustration
Electrical burns on com-
mutator bars on opposite
sides of the commutator.
• Open armature
winding.
• Motor has been
stalled.
Copper wears rapidly at
the edge of the commuta-
tor bars.
• Operation of the
motor in dirty and
abrasive condi-
tions.
• Wrong type of
brushes for this
motor and opera-
tion.
Brush and Commutator Inspection 0620 YRM 0294
8

Yale B827 Specifications

General

Brand	Yale
Model	B827
Category	Lifting Systems
Language	English