Yamaha FT50C - Checking the Power Trim and Tilt Motor

62Y5A11
7-44
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Checking the power trim and tilt
motor
1. Check the commutator for dirt or foreign
substances. Clean with #600 grit sand-
paper if necessary.
2. Check the commutator undercut for dirt
or foreign substances. Clean with com-
pressed air if necessary.
3. Measure the commutator diameter
a
.
Replace if out of specification.
4. Check the armature coil for continuity.
Replace if out of specifications.
5. Check the circuit breaker for continuity.
Replace if there is no continuity.
6. Measure the brush length. Replace if out
of specification.
Commutator diameter limit
a
:
21 mm (0.83 in)
Armature coil continuity
Commutator segments
b
Continuity
Segment-laminations
c
No continuity
Segment-shaft
d
No continuity
Brush length limit
e
:
3.5 mm (0.14 in)
Power trim and tilt motor