Inspection And Maintenance; Armature - Komatsu 4D98 Series Shop Manual

9. Starting Mtitor
(7)
(8)
9.2.6
(1)
a)
Removal of gear case dust cover
Remove the two M5 bolts (using 4 mm hexagon wrench) to disassemble the dust cover
from the gear case.
(Removing M5 bolt)
(Disassembling the dust cover)
Removal of pinion
Slide the pinion stopper towards the pinion and remove the pinion stopper clip using a 0
screwdriver.
(Removing pinion stopper clip)
(After disassembly of pinion)
Inspection and maintenance
Armature
Check the commutator for rough sur-
face. If so, smooth the surface using
#500 to #600 emery cloth.
If the outside periphery of the commuta-
tor has been deflected over 0.2 mm, re-
pair by a lathe.
\
(Sanding commutator surface)
9-23