15-55
c. INSPECTION
• BRUSH LENGTH
Measure the brush length.
If the brush length is less than the service limit, replace the
front bracket assembly.
• BREAKER ASSEMBLY
1) Install the armature on the front bracket assembly.
2) Connect the motor 2P connector to the outboard motor.
3) Operate the power tilt switch and check the breaker
assembly for operation sound. The breaker is normal if
there is operation sound from the breaker assembly.
Replace the front bracket assembly if there is no operation
sound from the breaker assembly.
[2] ARMATURE
[3]
BREAKER
ASSEMBLY
[1]
BRACKET
HOLDER
• MICA DEPTH
If the grooves are clogged or mica depth is less than the
service limit, recut the groove using a hacksaw blade or a small
file.
If the mica depth is still less than the service limit, replace the
armature.
• ARMATURE
Use the armature tester if it is available.
• CONTINUITY CHECK – SEGMENTS
Check for continuity between the segments. If an open circuit
exists between any two segments, replace the armature.
0.5 mm
(0.020 in)
STANDARD
SERVICE LIMIT
9.8 mm (0.39 in)
4.8 mm (0.19 in)
SERVICE LIMIT
0.5 mm (0.020 in)
