CHARGING IND Page General Description 6Y 4 Maintenance and Adjustments 6Y 5 Static Checks 6Y 6 System Condition Check and Voltage Regulator Adjustment 6Y 6 System Component Tests 6Y 6 Generator Output Test 6Y 7 Generator Diode and Field Test 6Y 7 Indicator Lamp Circuit Tests 6Y S Field Circuit Resistance Wire Tests 6Y 8 I Other Harness Checks 6Y 1 Field Relay Test and Adjustment 6Y 10 Service Operations 6Y 10 Generator 6Y 10 Removal and Installation 6Y 10 Pulley Replacement 6Y 101 GENERAL DE The charging system includes the battery generator regulator telltale light ignition switch and necessary wiring to connect these components The Delcotron is offered as a standard equipment with two capacities available on all models The Delcotron continuous output A C generator fig lc consists of two major parts a stator and a rotor The stator is composed of a large number of windings assembled on the inside of a laminated core that is attached to the generator frame The rotor revolves within the stator on bearings located in each end frame Two brushes are required to carry current through the two slip rings to the field coils wound concentric with the shaft of the rotor Six rectifier diodes are mounted in the RELAY TERMINAL F TERMINAL BAT TERMINAL GRD TERMINAL 1 S Fig le 55 v SYSTEM EX Page Disassembly 6Y 11 Cleaning and Inspection 6Y 11 Testing Rotor 6Y 11 Testing Stator 6Y 11 Testing Diodes 6Y 11 Repairs 6Y 12 Diode Replacement 6Y 12 Heat Sink Replacement 6Y 13 Brush Replacement 6Y 13 End Frame Replacement 6Y 13 Bearing Replacement 6Y 14 Asse bly 6Y 14 Double Contact Regulator 6Y 14 Remuval and Installation 6Y 14 Mechanical Adjustments 6Y 14 SCRIPTION slip ring end frame and are joined to the stator windings at three Internally located terminals Diodes are mounted in heat sinks to provide adequate heat dissipation The six diodes replace the separately mounted rectifier as used in other types of application The diodes change the Delcotron A C current to D C current The function of the regulator in the charging system i to limit the generator voltage to a pre set value by controlling the generator field current The double contact regulator assembly fig 2c consists of a double contact voltage regulator unit and a field relay unit This unit uses two sets of contact points on the voltage regulator unit to obtain desired field excitation under variable SLIP RING DRIVE END END FRAME FRAME THRU BEARING RUSH AND DOLT ERMINAL j 1SSEMBLY v LIP RINGS i BEARING PULLEY DIODES now FAN ROTOR STATOR ASSEMBLY Delaotron