Yanmar 4TNV98 - Check Pinion Projection Length

STARTER MOTOR
11-18
TNV DI Service Manual
Starter Motor
7. Carefully install the armature assembly
(Figure 11-30, (1)) into the field coil assembly
(Figure 11-30, (2)).
Figure 11-30
8. Position the brush springs in brush holders
(Figure 11-31). Reinstall the brushes in the
brush holders. Reversing the brushes will cause
the starter motor to turn backwards.
Figure 11-31
9. Carefully install the brush holder assembly to
the armature assembly.
10. Reinstall the field coil assembly with the
armature assembly to the gear housing.
11. Reinstall the rear cover to the brush holder
assembly. Securely tighten the two bolts.
12. Reinstall the two M4 through bolts
(Figure 11-32). Securely tighten the through
bolts. Reconnect the wire to the magnetic
switch assembly. Tighten the M8 nut. Reinstall
the cover over the connection.
Figure 11-32
Check Pinion Projection Length
1. Connect the positive (+) lead from a battery to
the “S” terminal.
2. Connect the negative (-) lead to the “M”
terminal.
3. Lightly pull the pinion away from the gear
housing.
4. Turn the switch ON and measure the pinion
moving distance L in the thrust direction
(Figure 11-33). Perform this test within 10
seconds. See Starter Motor Specifications on
page 11-7 for the service limit.
Figure 11-33
0000269
(1)
(2)
0000106
0000104
0000132
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