Service Standards - Yanmar 3TNV Series Service Manual

(b) Pinion sliding inspection
Check if the pinion slide smoothly in the axial direction.
If damaged, rusted or heavy in sliding, repair it.
If grease is applied too much on the pinion shaft,
sliding becomes heavy.
(c) Ball bearing inspection
Rotate the ball bearing while holding the outer race
with fingertips. Inspect if it is sticking or it there is
play.

9.1.6 Service standards

Spring force
Brush
Standard height/wear limit
Magnetic switch resistance, series coil/shunt coil (at 20 )
Standard diameter/limit diameter
Difference between maximum
Commutator
and minimum diameter
Mica undercut depth chips
Armature fount
Armature rear
Bearing type
Pinion front
Pinion rear
L dimension (pinion projection length)
Repair limit/repair accuracy
Repair limit/repair accuracy
Nominal number
152
9. Starting Motor
N(kgf) 35(3.6)
mm 15/9
0.27/0.60
mm 36.5/35.5
mm 0.2/0.03
mm 0.2/0.5 0.8
- 6903DDU
- 608DDU
- 60004DDU
- 6904DDU
mm 0.3-1.5