Check Pinion Projection Length - Yanmar 4TNV98 Service Manual

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 M
32). Securely tighten the through bolts.
Reconnect the wire to the magnetic switch
assembly. Tighten the M
cover over the connection.
Figure 11-32
4TNV98 & 4TNE98 Diesel Engine
through bolts (Figure 11-
4
nut. Reinstall the
8

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 222 for the
service limit.
5. If the measured L dimension is outside the
standard range, adjust the dust covers to obtain
the standard range. Dust covers (Figure 11-34,
(1)) are available in 0.020 in (0.5 mm) and 0.031
in (0.8 mm) thicknesses.
233
Figure 11-33
Figure 11-34
Section 7. Starter Motor