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ELE C T RICAL E Q U I PMENT STARTER MOTOR - Paris Rhone - 4 cylinder Diesel Dismantle and Test , DISMANTLE 1. Remove starter motor from engine. 2. Disconnect field winding lead from the solenoid. and spring. 4. Removc the terminal strap. Remove the two through-stud nuts. 6. Remove the brush plate cover. Withdraw the yoke complete with brush plate assembly whilst noting position of the yoke location plate i n the reduction gear housing. 8. Remove the single socket headed screw and withdraw the armature and reduction gear housing 9. Remove clutch drive and pinion assembly. . Withdraw the brushes from the holders. Inspection and test 11. all parts for condition. Check the bearings and bushes and pinion drive assembly for pinion and drive Check the field coil and armature brushes. Armature 12. Using very fine glass paper, clean the commutator and wipe the surface with a petrol-moistened cloth. 13. Check the armature insulation by connecting a V.A.C. 15 W test lamp each commutator segment in turn and armaturc shaft. The lamp should not light. . , . . . . Field coil insulation 14. Connect a 110 V.A.C. 15 W test lamp between the disconnected end of the winding and a clean part of the yoke, 15. Ensure that the brushes or leads do not touch the yoke during the 16. The lamp should not light; if it does light, fit a field coil assembly. . Field coil continuity 17. Connect a 12 V battery-opcrated test lamp 18. lamp should light; if i t does not light, fit a between each brush in turn and a link lead. field coil assembly. Solenoid all cables from the solcnoid and connectors. 20. Connect a 12 V battcry and a 12 V 60 W test lamp across the main terminals. The lamp should not light; if it does light, fit a new solenoid 21. Leave the test lamp connected and, using the same 12 V battery supply, energize the solenoid by connecting a 12 V supply between the small continued 41 |