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CONTENTS
Section Title Page
1. SPECIFICATIONS 1
2. PERFORMANCE CURVES 2
3. GENERAL DESCRIPTION OF GENERATOR 3
4. CONSTRUCTION AND FUNCTION 6
4-1 CONSTRUCTION 6
4-2 FUNCTION 6
4-3 DESCRIPTION of GENERATOR OPERATION 17
5. SAFETY PRECAUTIONS 19
6. RANGE OF APPLICATIONS 20
7. MEASURING PROCEDURES 23
7-1 MEASURING INSTRUMENTS 23
7-2 AC OUTPUT MEASURING 24
7-3 MEASURING INSULATION RESISTANCE 25
8. CHECKING FUNCTIONAL MEMBERS 27
8-1 PILOT LAMP and VOLTMETER 27
8-2 AC RECEPTACLES 27
8-3 AC SWITCH (NO-FUSE BREAKER) 28
8-4 STATOR 28
8-5 ROTOR ASSEMBLY 29
8-6 EXCITING COIL 29
8-7 BRUSH 30
8-8 A.V.R (AUTOMATIC VOLTAGE REGULATOR) 30
8-9 CURRENT TRANSFORMER (RGV13100T only) 31
8-10 ECU (ELECTRONIC CONTROL UNIT) 31
8-11 IDLE CONTROL UNIT (RGV12100 only) 32
8-12 DIODE UNIT (RGV13100T only) 33
9. DISASSEMBLY and REASSEMBLY 34
9-1 PREPARATION and PRECAUTIONS 34
9-2 DISASSEMBLY PROCEDURES 34
9-3 COMPONENT PARTS 35
9-4 GENERATOR ASSEMBLING PROCEDURES 40
10. TROUBLESHOOTING 44
10-1 NO AC OUTPUT 44
10-2 AC VOLTAGE IS TOO HIGH OR TOO LOW 44
10-3 AC VOLTAGE IS NOMINAL AT NO-LOAD, BUT LOAD CANNOT BE APPLIED 44
10-4 ENGINE DOSE NOT RUN 45
11. WIRING DIAGRAM 46
NOTE
This Service Manual excludes information for engine.
As for the total servicing information as a generator set, please refer in conjunction with the
Robin EH63-65 OHV Engine Service Manual.