Yamaha F150A Service Manual page 241

2. Check the brush and circuit breaker for
continuity. Replace if there is no continu-
ity.
CAUTION:
Do not touch the bimetal b, otherwise the
operation of the circuit breaker can be
affected.
3. Measure the commutator
Replace if out of specification.
Commutator diameter limit c:
21.0 mm (0.83 in)
4. Check the armature
Replace if out of specifications.
63P3F11
diameter.
for continuity.
Power trim and tilt unit
Armature continuity
Commutator segments d
Segment d –
Armature core e
Segment d –
Armature shaft f
5. Check the base for cracks or damage.
Replace if necessary.
6. Check the bearing and oil seal for dam-
age or wear. Replace if necessary.
NOTE:
If the bearing and oil seal are removed,
always replace them with new ones.
1
2
3
4
Continuity
5
No continuity
No continuity
6
7
8
S60X7300
9
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