TOD 11 WORKING PRINCIPLE OF TOD-TRANSFERCASE During the normal operation the driver sprocket, clutch pack housing gear along with pressure plates rotates with the output shaft. The clutch coil rotor and ramp plate is directly mounted on the output shaft. When the user shifts TOD from 4x2 mode to Auto Mode electrical current is generated in the clutch coil which is stationary and a magnetic field is created in the rotor (clutch coil) which in turn creates a relative motion between the clutch coil rotor and ramp plate. This difference in motion forces the ball to move in the grooves provided in the ramp plate. The ramp plate pushes the apply plate in the clutch pack housing and engages with the inner gear provided in clutch pack assembly. Due to this force pressure plates engages with the friction plate and this force is then transmitted to the front wheel with the help of chain drive.
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