Service manual

BRKT
Bracket unit
7-27
69J1D11
Disassembling the power trim and
tilt motor
1. Remove the PTT motor screws
1
, then
the yoke
2
.
CAUTION:
Do not allow grease or oil to contact the
commutator.
NOTE:
Place a clean cloth over the end of the arma-
ture shaft and carefully pull the armature from
the yoke with a pair of pliers as shown.
2. Remove the screws
3
, disconnect the
PTT motor leads
4
, and then remove
the springs
5
and brushes
6
.
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.
Commutator diameter limit
a
:
25.0 mm (0.98 in)