FEC AFC1150 - Manual (Page 3)

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8.2 Inspection Items - Motor
WARNING!!
VERIFY POWER IS OFF BEFORE REMOVING THE TOOL ASSEMBLY FROM
THE MOTOR CONNECTOR.
w Disconnect the motor connector from the tool assembly.
w Measure the resistance between windings, as shown below.
w Measure the insulation resistance between each winding and the frame, as shown below.
NOTE: To perform this inspection, use a 500 VDC megohmmeter capable of measuring at
least 50 Mohms.
Fig 8.2
2.0 ohm 2.0 ohm 2.0 ohm 200 W M3
4.5 ohm 4.5 ohm 4.5 ohm 100 W M2
13.0 ohm 13.0 ohm 13.0 ohm 60 W M1
MORE THAN 50 Mohms
15.5 ohm 15.5 ohm 15.5 ohm 60 W W1
C-D B-D A-D B-C A-C A-B WATTAGE MOTOR TYPE
INSULATION RESISTANCE WINDING RESISTANCE
CHAPTER 8: MAINTENANCE AND INSPECTION
Page 8 - 3