Cranking motor spins but does not crank the Engine
Then check
1) if Bendix drive blocked then clean it.
2)if wrong alignment of pinion gear then check the mounting bolts and armeture shaft
3)if fault in Over running clutch drive Change the Clutch Unit.
4)if flywheel ring gear or pinion gears teath are broken then change the flywheel and pinion.
5) if dust or oil blockage in the thread of threaded slive, then clean the threaded slive.
6) if fault in Switch, then change it.
Then check
1) if Bendix drive blocked then clean it.
2)if wrong alignment of pinion gear then check the mounting bolts and armeture shaft
3)if fault in Over running clutch drive Change the Clutch Unit.
4)if flywheel ring gear or pinion gears teath are broken then change the flywheel and pinion.
5) if dust or oil blockage in the thread of threaded slive, then clean the threaded slive.
6) if fault in Switch, then change it.