PASCO SE-8658A PERMANENT MAGNET MOTOR - Manual (Page 8)

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Permanent Magnet Motor 012-07210A
Initial Assembly of Permanent Magnet
Motor
1. Locate the part shown in the diagram below.
Initial Assembly
2. Gently lower the armature onto the shaft. To make
a DC motor, the split ring commutator should be
down; for an AC motor, the dual slip-ring
commutator should be down. Carefully rotate the
armature back and forth to separate the brushes and
allow the commutator to slip down between them.
If necessary, insert a pencil or similar object down
between the brushes. Use only the most delicate
force to avoid bending the brushes and necessitating
adjustments or repairs. Screw retaining nut onto
shaft.
3. Refer to the instructions included in experiments 1–
3 for details of the electrical connections.
Figure 1
Permanent Magnet Motor Assembly
armature
brushes
dual slip-ring
commutator
split ring
commutator
(this end down for
AC motor)
(this end down
for DC motor)
retaining nut
shaft
field
magnets
➤ The motor may be left assembled for storage.