ELECTRICAL
9-28
5. Inspect the surface of the commutator for wear or
discoloration. See Armature Test.
4. Be sure that the terminal bolt insulation washer is properly
seated in the housing and the tab on the brush plate engages the
notch in the brush plate housing.
ARMATURE TEST
1. Inspect surface of commutator. Replace if excessively worn
or damaged.
2. Using a digital multi-tester, measure the resistance between
each of the commutator segments. The reading should be
3 ohms or less.
pairs indicate shorted coils, requiring replacement of the
starter motor.
5. Place armature in a growler. Turn growler on and position
a hacksaw blade or feeler gauge lengthwise 3mm(1/8
〃
)
above armature coil laminates. Rotate armature 360°. If
hacksaw blade is drawn to armature on any pole, the armature
is shorted and must be replaced.
6. Inspect the permanent magnets in starter housing. Make
sure they are not cracked or separated from housing.
CAUTION
Use care when handling the starter housing.
Do not drop or strike the housing, as magnet
damage is possible. If the magnets are damaged,
the starter must be replaced.
STARTER REASSEMBLY
1. Place armature in field magnet casing.
2. Inspect and replace the O-rings if damaged.
3. Install case sealing O-ring. Make sure O-ring is in good
condition and not twisted on the case. Lubricate the ends of
the armature shaft and oil seal with a light film of grease, and
install housing.
4. Pushing back brushes while installing armature shaft. Install
the coil spring behind brush.
5. Reinstall starter motor housing screws and washers. Make
sure O-rings are in good condition and seated in groove.
Tighten sufficiently.
6. Reinstall the starter motor to the engine.
To Next Page
Loading...
Need help?
General
