Emerson FM-3 Guia de Resolução de Problemas descarregar pdf (Página 46)

Appendix D: Ohming Motor Procedure

Ohming

Out Motor

Disconnect

Motor Cable

from Motor

Connect Ohmmeter

Leads between

Pins A and B

on Motor Connector

Connect Ohmmeter

Leads between

Pins B and C

on Motor Connector

phase to phase test

Connect Ohmmeter

Leads between

Pins D and C

on Motor Connector

phase to ground test

Ohmmeter Shall

Read Inifinity

(open circuit)

Connect Ohmmeter

Leads between

Pins D and B

on Motor Connector

phase to ground test

Ohmmeter Shall

Read Inifinity

(open circuit)

Connect Ohmmeter

Leads between

Pins D and A

on Motor Connector

phase to ground test

Ohmmeter Shall

Read Inifinity

(open circuit)

Any Reading in the entire test

that does not fall within specified limits phase to phase

or meet the exact reading phase to ground

is to be considered failing the test

Slowly Rotate

Motor Shaft

CW or CCW

Observe Ohmmeter Reading

See Resistance chart this page

for motor under test

Slowly Rotate

Motor Shaft

CW or CCW

Observe Ohmmeter Reading

See Resistance chart this page

for motor under test

Slowly Rotate

Motor Shaft

CW or CCW

Observe Ohmmeter Reading

See Resistance chart this page

for motor under test

Connect Ohmmeter

Leads between

Pins A and C

on Motor Connector

phase to phase test

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 59 60

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Emerson FM-3 Guia de Resolução de Problemas Página 46

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