Warning – FEC AFC1150 User 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
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