Komatsu 4D98 Series Shop Manual page 137

9.
Starting Motor
9.2.5 Disassembly procedure
(1) Disconnecting the lead
Loosen the M8 nut (12 mm) of the magnetic switch and disconnect the lead.
(Loosening the M8 nut)
(2) Removal of magnetic switch
Remove the M6 bolts (10 mm x 2).
(3)
(Removing M6 bolts)
Removal of rear cover
(After disassembly)
Remove the brush holder tightening screws (4 mm$ x 2) and the M5 through bolts (x 2).
Next, disconnect the rear cover from the yoke using a @ screwdriver.
(Removing through bolt)
(After disassembly)
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