Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 344Get this manual

Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 344

POWER TRIM
CHECKING AND CLEANING COMMUTATOR
1If commutator is worn it may be turned on an armature conditioner or lathe2Clean commutator with "OO" sandpaper

aCommutator

FIELD TESTS
IMPORTANT: Commutator end of armature must be installed in brushes when performing the following testsOhmmeter Leads Between BLUE and BLACK Motor Wires BLACK Motor Wire, and Frame (Motor Housing) BLUE Motor Wire and Frame Resistance (Ohms) No Continuity No Continuity Scale Reading (x) (Rx1) (Rx1) (Rx1)

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