Brush And Brush Holder; Overrunning Clutch; Bearing - Isuzu NHR 4J Series Workshop Manual

6D2 – 10 STARTING SYSTEM

BRUSH AND BRUSH HOLDER

Measure the brush length and replace if it is worn beyond
the service limit.
Brush length
kw
2.2
2.0
6D2-10-1.tif
Brush holder insulation test
Using a circuit tester, check the brush holder insulation.
Touch one probe to the holder plate and the other to the
positive brush holder. There should be no continuity.
6D2-10-2.tif

OVERRUNNING CLUTCH

Inspect the teeth of pinion for wear and damage.
Replace if it damaged.
Rotate the pinion in direction of rotation (clockwise).
It should rotate smoothly. But in opposite direction, it
should be locked.
6D2-10-3.tif

BEARING

Check the bearings for wear and damage. If the bearings
are noisy during operation, they should be replaceds.
6D2-10-4.tif
Standard
14.5 (0.57)
16 (0.63)
mm (in.)
Limit
10 (0.39)