Yamaha 5TE-F8197-10 ユーザーズマニュアル
9 - 20
–
+
ELEC
ELECTRIC STARTING SYSTEM
CHECKING THE STARTER MOTOR
1.Check:
1.Check:
●
Commutator
Dirty
Dirty
→ Clean it with #600 grit sandpaper.
2.Measure:
●
Commutator diameter
a
Out of specification
→ Replace the starter
motor.
3.Measure:
●
Mica undercut
b
Out of specification
→ Scrape the mica using
a hacksaw blade.
NOTE:
Scrape the mica to the proper measurement
using a hacksaw blade which has been
grounded to fit the commutator.
using a hacksaw blade which has been
grounded to fit the commutator.
Outside diameter:
28 mm (1.10 in)
<Wear limit:>
27 mm (1.06 in)
Mica undercut:
0.7 mm (0.03 in)
4.Check:
●
Armature coil (insulation/continuity)
Defects
Defects
→ Replace the starter motor.
*****************************************************
Checking steps:
Checking steps:
●
Connect the pocket tester for the continuity
check
check
1 and insulation check 2.
●
Measure the armature resistances.
●
If the resistance is incorrect, replace the
starter motor.
starter motor.
*****************************************************
Armature coil resistance:
Continuity check
1:
0.025 ~ 0.035
Ω at 20 °C (68 °F)
Insulation check
2:
More than 1 M
Ω at 20 °C (68 °F)