POWER TRIM
Page 5B-40 90-855347R1 JANUARY 1999
CHECKING AND CLEANING COMMUTATOR
1. If commutator is worn it may be turned on an armature conditioner or a lathe.
2. Clean commutator with “OO” sandpaper.
53775
a
a-Commutator
FIELD TESTS
IMPORTANT: Commutator end of armature must be installed in brushes when per-
forming the following tests.
Ohmmeter
Leads Between
Resistance
(Ohms)
Scale Reading*
(x____________)
BLUE and BLACK Motor Wires 0 (Rx1)
BLACK Motor Wire, and Frame
(Motor Housing)
No Continuity (Rx1)
BLUE Motor Wire and Frame No Continuity (Rx1)
*If specified readings are not obtained, check for:
• defective armature
• dirty or worn brushes
• dirty or worn commutator
If defective components are found, repair or replace component(s) and retest.
Motor Repair
REMOVAL
NOTE: Power Trim System does not have to be removed from outboard to repair/replace
motor.
DISASSEMBLY
Refer to “Motor Disassembly” on page 5B-38 to disassemble motor from pump.