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FEC AFC1200 User Manual

Page 5

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8.2.3 Nutrunner (Tool) Motor

WARNING:

Follow Lockout/Tagout and other safety precautions when connecting or
disconnecting cabling, wiring, and equipment.
When performing the following inspections, verify that the System is disabled
prior to touching any moveable components.

1. Disconnect the motor homerun cable from the tool motor connector (FIG. 8-2-3).

2. Measure the resistance between windings. Refer to FIG. 8-2-3 and the chart, below.

3. Measure the insulation resistance between each pair and the frame.

Insulation resistance: Using a megohmmeter, 500 VDC, 50 megohms or more, test the
insulation resistance between the motor windings and the motor case. The values should
register more than 50 megohms for each winding. Refer to the Insulation Resistance chart.

FIG. 8-2-3 Motor Inspection

TOOL

MEGOHMMETER

TOOL MOTOR CONNECTOR

Chapter 8: Maintenance and Inspection

User Console Version A3.53

Page 8-5