CONTENTS
Section Title Page
1. SPECIFICATIONS .......................................... 1
2. PERFORMANCE ........................................... 3
2-1 Model RGX305 ...................................... 3
2-2 Model RGX305D ..................................... 4
2-3 Model RGX405 ...................................... 5
2-4 Model RGX405D ..................................... 6
2-5 Model RGX505 ...................................... 7
2-6 Model RGX505D ..................................... 8
3. FEATURES .............................................. 9
4. GENERAL DESCRIPTION of GENERATOR ........................ 11
4 - 1 External View of Generator .............................. 11
4-2 Panel A ............................................ 12
4-3 Panel B ............................................ 13
5. CONSTRUCTION and FUNCTION ............................... 14
5-1 Construction ........................................ 14
5-2 Function ........................................... 15
5-3 Description of Generator Operation ......................... 21
5-4 Change of Engine Parts ................................. 25
6. SAFETY PRECAUTION ...................................... 28
7. APPLICABLE RANGE of GENERATOR ........................... 29
8. MEASURING PROCEDURE ................................... 32
8-1 Meters ............................................ 32
8-2 AC Output Measuring .................................. 34
8-3 DC Output Measuring .................................. 34
8-4 Insulation Resistance Measuring ........................... 34
9. CHECKING FUNCTIONAL MEMBERS. ........................... 36
9 - 1 Stator Assembly ...................................... 36
9-2 Rotor Assembly ...................................... 37
9-3 Brushes. ........................................... 38
9-4 AVR (Automatic Voltage Regulator) ........................ 38
9-5 No-Fuse Breaker and Fuse Holder .......................... 40
9-6 Receptacle and AC Plug ................................. 41
9-7 Voltmeters ......................................... 41
9-8 Diode Stack Assembly .................................. 41
9-9 Primary Exciting Circuit ................................ 42
10. DISASSEMBLY and REASSEMBLY .............................. 43
10 - 1 Preparations and Suggestions ............................. 43
10-2 How to Disassemble ................................... 43
10-3 How to Reassemble. ................................... 51
10-4 Control Box Disassembly and Reassembly ..................... 58
11. TROUBLE-SHOOTING ....................................... 59
12. OPTlON ................................................. 63
12 - 1 Electric Starter. ...................................... 63
12-2 Caster ............................................. 68
13. CIRCUIT DIAGRAM ........................................ 69