Honda CB350 CL350 [131/219] 5 electrical parts

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5 ELECTRICAL PARTS 120 B Starting Motor Characteristics Starter solenoid switch 0 Starter button switch Ignition switch 3 Contact unit Excitation coil Plunger 6 Pole 0 Brush Armature Field coil Fig 5 49 Starter circuit diagram A small powerful electric motor is required to perform the starting function therefore most commonly used series type 12V electric motor is used which has a capacity of 0 45 KW This motor is powerful enough to enable starting even in subzero temperature Starting motor specification 1 Rated voltage 2 Rated output 3 Rated operation 4 Reduction ratio 5 Direction of rotation 6 Weight Starter performance Item without load Voltage 11V Amperage 35A Max 12V 0 45 KW 30 seconds 6 44 Clockwise Viewing into the pinion 2 7 kg 5 95 1b with load Stalling load 9V 5V 120A 280A RPM at sprocket Shaft 1 700 Min 500 Min Torque at sprocket 0 7kg m 1 8kg m shaft 5 06 ft lb Min 13 02 ft lb Min C Starter Reduction A mechanical reduction system is required to reduce the speed of the starter to provide the necessary torque for turning over the engine for starting The primary reduction is accomplished by the planetary reduction gear which is both light and compact the secondary reduction is by the sprocket and chain Fig 5 50 51 52 Primary reduction ratio planetary gear 6 44 1 Secondary reduction ratio sprocket and chain 1JT 1 Total reduction ratio 17 84 1 Starter sprocket Internal gear Planetary gear Sprocket shaft Fig 5 50 Starting motor reduction gear components The starting motor is not in constant use therefore wear to their component parts is very rare however if unusual noise should develop during its operation disassemble the starter and check the following points 1 Condition of the carbon brushes and commu tator 2 Excess accumulation of carbon particles remove with compressed air 1 Planetary gear Motor shaft Internal gear Sprocket shaft Starting sprocket Ftg 5 51 3 Check case for adequate lubrication in the gear

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