Honda CB350 CL350 [148/219] Service tester

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5 9 SERVICE TESTER When checking a motorcycle selenium rectifier the measuring must be done after disconnecting the wiring The following may be the causes for rectifier trouble 1 Too high temperature use 2 High humidity 3 Excessive current 4 Harmful corrossive gas 5 A motorcycle is driven without battery Fig 5 91 Rectifier resistance measurement When the rectifier becomes defective following troubles occur 1 Magnetic force is reduced from magneto 2 Battery trouble insufficient charging the the Resistance of the ignition coil can be measured Standard resistance is 5 000 1 O OOOil 3 Insulating Resistance Power source required Usually the insulating resistance of a condenser is measured Fig 5 93 a Preparation 1 Connect the Power supply 2 Turn the Insulation Rectifier stack Rectifier female coupler Fig 5 92 Rectifier wiring diagram tester switch to to the the brttery position 3 Short circuit the terminal X lead wire and with the scale adjusting knob match the pointer to O on the black scale b Measuring 1 Attach the test wire lead to the condenser 2 The meter pointer will swing to the positive direction and return When the pointer is almost stable read the indication M Megohm 5M or greater Good 5M to IM Satisfactory Less than IM Unsatisfactory Fig 5 93 Condenser insulation test 137

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