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··························· 16
5. SAFETY PRECAUTIONS ······································
17
6. RANGE OF APPLICATIONS ····································
18
7. MEASURING PROCEDURES ···································
21
7-1 MEASURING INSTRUMENTS ·····································21
7-2 AC OUTPUT MEASURING ········································ 22
7-3 MEASURING INSULATION RESISTANCE····························· 23
8. CHECKING FUNCTIONAL MEMBERS ·····························
25
8-1 PILOT LAMP and VOLTMETER ········································ 25
8-2 AC RECEPTACLES ············································ 25
8-3 AC SWITCH (NO-FUSE BREAKER )·································· 26
8-4 STATOR···················································· 26
8-5 ROTOR ASSEMBLY ············································ 27
8-6 EXCITING COIL ··············································· 27
8-7 BRUSH ····················································· 28
8-8 A.V.R (AUTOMATIC VOLTAGE REGULATOR) ·························· 28
8-9 ECU (ELECTRONIC CONTROL UNIT) ································ 29
8-10 IDLE CONTROL UNIT (G12000R only) ······························· 3 0
9. DISASSEMBLY and REASSEMBLY ······························· 31
9-1 PREPARATION and PRECAUTIONS ································· 31
9-2 DISASSEMBLY PROCEDURES ···································· 31
9-3 COMPONENT PARTS··········································· 32
9-4 GENERATOR ASSEMBLING PROCEDURES··························· 36
9-5 REAR COVER ················································ 38
10. TROUBLESHOOTING ·······································
40
10-1 NO AC OUTPUT·············································· 40
10-2 AC VOLTAGE IS TOO HIGH OR TOO LOW··························· 40
10-3 AC VOLTAGE IS NOMINAL AT NO-LOAD, BUT LOAD CANNOT BE APPLIED ··· 40
10-4 ENGINE DOSE NOT RUN ······································· 41
11. WIRING DIAGRAM ·········································· 42
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