Cleaning And Inspection - Yanmar 4TNV98 Service Manual

9. Remove the three M4 bolts (Figure 11-9, (1))
securing the bearing retainer assembly (Figure
11-9, (2)) to the gear housing. Remove the
bearing retainer assembly from the gear housing.
Figure 11-9
10. Remove the pinion clutch assembly (Figure 11-
9, (3)) from the bearing retainer assembly.
11. Using a flat-blade screwdriver, remove the
retaining ring (Figure 11-10, (1)) from the shaft
of the pinion.
Figure 11-10
12. Disassemble the pinion stop (Figure 11-11, (3)),
return spring (Figure 11-11, (4)), pinion clutch
assembly (Figure 11-11, (1)), and pinion shaft
(Figure 11-11, (5)).
4TNV98 & 4TNE98 Diesel Engine

Cleaning and Inspection

Armature
Commutator Surface Inspection
If the commutator surface is rough, polish the
surface with a #500 to #600 emery cloth (Figure
11-12).
Measure Commutator Outside Diameter
Measure the commutator outside diameter
(Figure11-13). Replace the armature if the
measurement is less than the limit.
227
Figure 11-11
Figure 11-12
Section 7. Starter Motor