Space Motor Assembly; Line Feed Motor (Slip) - Ithaca PcOS series 90plus Maintenance Manual

SPACE MOTOR ASSEMBLY

The following illustration shows the connection circuit for the space motor assembly and the pins on
the space motor. The resistance should be approximately 21 ohms between pads 17 and 16, 16 and 18,
and 17 and 18 on the space motor.
Pins at Connection

LINE FEED MOTOR (SLIP)

The following illustration shows the connection circuit for the line feed motor. The resistance of each
coil should be approximately 70 ohms between pads 38 and 39, 39 and 40, 37 and 36, and 36 and 35
on the line feed motor.
Pins at Connection
Signals Pins on Space Motor
V 15
U 14
W 16
A
B
Signals Pins on Line Feed Motor
Phase 1 3
Common 2
Phase 3 1
Phase 2 4
Common 5
Phase 4 6
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Troubleshooting