Mercury 90-863160

OILDYNE TRIM PUMP SERVICE MANUAL NUMBER 28
Page 5A-42 90-863160 MAY 2000
10. Remove the motor housing O-ring.
22645
a
b
a-O-ring
b-Motor Housing
Armature Tests
Continuity Test
1. Set the ohmmeter on the Rx1 scale.
2. Place the alligator clip meter lead on the armature shaft.
3. Touch the meter lead probe to each commutator bar one at a time.
22646
a
c
b
a-Ohmmeter – Set on Rx1 Scale
b-Meter Lead
c-Meter Lead
4. Continuity Indicated - Armature grounded (replace armature).
Continuity Not Indicated - Armature not grounded.