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SERVICE
MANUAL
Models
RG2800iS,
RG3200iS,
RG4300iS,
RG2800i,
RG3200i, RG4300i
GENERATORS
PUB-GS1981
Rev. 09/04
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CONTENTS Section Title Page 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2. GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2-1 EXTERNAL VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2-2 CONTROL PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1. SPECIFICATIONS RG2800i RG3200i RG4300i Model Multi-Pole, Rotating Field Inverter Generator Type Frequency Hz 50 / 60 2.5 2.8 3.8 Rated Output kVA Voltage V 110 220 230 110 220 230 110 220 230 50Hz Rated Current A 22.7 11.4 10.9 25.5 12.7 12.2 34.5 17.3 16.5 Voltage V 120 240--- 120 240 120 240 60Hz Rated Current A 20.8 10.4-- 23.3 11.7 31.7 15.8 - Power Factor 1.0 Rated Output W 100 Voltage V 12 Current A 8.3 Voltage Regulator PWM Controlling Voltage Regulation Within 10% Model EX17 EX21 EX27
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RG2800iS RG3200iS RG4300iS Model Multi-Pole, Rotating Field Inverter Generator Type Frequency Hz 50 / 60 2.5 2.8 3.8 Rated Output kVA Voltage V 110 220 230 110 220 230 110 220 230 50Hz Rated Current A 22.7 11.4 10.9 25.5 12.7 12.2 34.5 17.3 16.5 Voltage V 120 240--- 120 240 120 240 60Hz Rated Current A 20.8 10.4-- 23.3 11.71 31.75.8 - Power Factor 1.0 Rated Output W 100 Voltage V 12 Current A 8.3 Voltage Regulator PWM Controlling Voltage Regulation Within 10% Model EX17 EX21 EX27 Type Air-Cooled
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2. GENERAL DESCRIPTION 2-1-1) EXTERNAL VIEW OF GENERATOR : OPEN FRAME TYPE RG2800i / RG3200i FUEL LEVEL GAUGE AC RECEPTACLES FUEL TANK MULTI MONITOR ENGINE SWITCH RECOIL STARTER HANDLE DC CIRCUIT BREAKER DC TERMINALS GROUND TERMINAL TANK CAP SPECIFICATIONS LABEL FRAME MUFFLER (EXHAUST OUTLET) OIL LEVEL GAUGE AIR CLEANER SPARK PLUG DRAIN PLUG – 3 –
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2-1-2) EXTERNAL VIEW OF GENERATOR : OPEN FRAME TYPE WITH ELECTRIC STARTER RG4300i FUEL LEVEL GAUGE AC RECEPTACLES FUEL TANK MULTI MONITOR ENGINE SWITCH KEY SWITCH RECOIL STARTER HANDLE DC CIRCUIT BREAKER DC TERMINALS GROUND TERMINAL TANK CAP SPECIFICATIONS LABEL FRAME AIR CLEANER MUFFLER BATTERY (EXHAUST OUTLET) COVER BATTERY OIL LEVEL GAUGE SPARK PLUG DRAIN PLUG – 4 –
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2-1-3) EXTERNAL VIEW OF GENERATOR : SOUND PROOF TYPE RG2800iS FUEL LEVEL GAUGE AC RECEPTACLES FUEL TANK MULTI MONITOR SIDE COVER (R) RECOIL STARTER HANDLE INSIDE OF SIDE COVER (R) ENGINE SWITCH DC CIRCUIT BREAKER DC TERMINALS DRAIN PLUG GROUND TERMINAL MUFFLER (EXHAUST OUTLET) TANK CAP FRAME SPECIFICATIONS LABEL INSIDE OF SIDE COVER (L) AIR CLEANER SPARK PLUG SIDE COVER (L) OIL LEVEL BRAKE GAUGE – 5 –
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2-1-4) EXTERNAL VIEW OF GENERATOR : SOUND PROOF TYPE WITH ELECTRIC STARTER RG3200iS / RG4300iS FUEL LEVEL GAUGE AC RECEPTACLES FUEL TANK MULTI MONITOR SIDE COVER (R) ENGINE SWITCH RECOIL STARTER HANDLE KEY SWITCH INSIDE OF SIDE COVER (R) DC CIRCUIT BREAKER DC TERMINALS GROUND TERMINAL DRAIN PLUG MUFFLER (EXHAUST OUTLET) FRAME TANK CAP SPECIFICATIONS LABEL INSIDE OF SIDE COVER (L) AIR CLEANER BATTERY COVER SPARK PLUG BATTERY SIDE COVER (L) OIL LEVEL BRAKE GAUGE – 6 –
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2-2) CONTROL PANEL 50Hz-230V MULTI MONITOR AC RECEPTACLES MULTI MONITOR Hours V Hz DC CIRCUIT AUTO BREAKER P-SAVE ENGINE SWITCH KEY SWITCH DC TERMINALS GROUND TERMINAL (G4300I / G3200IS /G4300IS) 60Hz-120V MULTI MONITOR AC RECEPTACLES MULTI MONITOR Hours V Hz DC CIRCUIT AUTO BREAKER P-SAVE ENGINE SWITCH KEY SWITCH DC TERMINALS GROUND TERMINAL (G4300I / G3200IS /G4300IS) 50Hz-240V MULTI MONITOR AC RECEPTACLES MULTI MONITOR Hours V Hz DC CIRCUIT AUTO BREAKER P-SAVE ENGINE SWITCH KEY SWITCH DC TER
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(1) ENGINE SWITCH RG2800i / RG3200i / RG2800iS STOP ENGINE SWITCH The engine switch is designed for easy operation with the interlocking RUN mechanism between the fuel cock and the choke furnished. To start the engine, turn the knob to the position. CHOKE (Choke valve is closed.) CHOKE Keep the knob in this position after the engine RG4300i / RG3200iS / RG4300iS starts. (The engine can be started with the knob at (With electric starter) this position when the engine is warm.) RUN ENGINE SWITCH S
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2-3) LOCATION OF SERIAL NUMBER AND PRODUCTION NUMBER Generator serial number and production number are stamped on the label stuck on the side of fuel tank. For soundproof type models, remove the side cover (R) to check these numbers. RG2800i / RG3200i / RG4300i PROD No. / SER No. RG2800iS / RG3200iS / RG4300iS PROD No. / SER No. NOTE : When inquiring about your generator or ordering spare parts, always give us the Model, Serial Number and Production Number. – 9 –
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2-4) ALTERNATOR 8P Connector for battery charging and others. 4P Connector for output wires Diode Rectifier Ball Bearing Pipe Cover Rotor CP Rear Cover Stator CP. – 10 –
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3. RANGE OF APPLICATIONS Generally, the power rating of an electrical appliance indicates the amount of work that can be done by it. The electric power required for operating an electrical appliance is not always equal to the output wattage of the appliance. The electrical appliances generally have a label showing their rated voltage, frequency, and power consumption (input wattage). The power consumption of an electrical appliance is the power necessary for using it. When using a generator for
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(5) Appliances without any indication as to power consumption Some appliances have no indication as to power consumption; but instead the work load (output) is indicated. In such a case, power consumption is to be worked out according to the numerical formula mentioned below. (Output of electrical appliance) = (Power consumption) (Efficiency) Efficiencies of some electrical appliances are as follows : Single-phase motor . . . . . .0.6 to 0.75 (The smaller the motor, the lower the efficiency) Flu
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NOTES : Wiring between generator and electrical appliances 1. Allowable current of cable Use a cable with an allowable current that is higher than the rated input current of the load (electrical appliance). If the input current is higher than the allowable current of the cable used, the cable will become excessively heated and deteriorate the insulation, possibly burning it out. The table below shows cables and their allowable currents for your reference. 2. Cable length If a long cable is used,
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4. MEASURING AND CHECKING PROCEDURES 4-1) MEASURING INSTRUMENTS (1) VOLTMETER AC voltmeter is necessary. The approximate AC voltage ranges of the voltmeters to be used for various types of generators are as follows : 0 to 150 V : Type with an output voltage of 110 or 120 V 0 to 300 V : Type with an output voltage of 220, 230 or 240 V For AC For DC 0 to 150 V, 0 to 330 V : Dual voltage type (2) AMMETER AC ammeter is necessary. An AC ammeter with a range that can be changed according to the curr
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(4) CIRCUIT TESTER For measuring resistance, etc. NOTE : The ordinary circuit tester may cause erroneous readings due to their measuring method. Use a high-grade, precise circuit tester to check the generator components. (5) MEAGER TESTER Used for measuring generator insulation resistance. Select the one with testing voltage range of 500V. (6) TACHOMETER Use the contactless type tacho meter for checking engine speed. – 15 –
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(7) "Dr.Robin" GENERATOR TESTER The "Dr.Robin" generator tester is exclusively designed for fast, easy diagnosis and repair of Robin generators. The "Dr.Robin" has the following features : 1) Functions of voltmeter, frequency meter, megger tester, capacitance meter and circuit tester are combined in one unit. 2) Fast and easy readout by digital indicator. 3) Built-in automatic battery checker indicates the time to change batteries. 4) Tester and accessories are installed in a handy, sturdy cas
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4-2) AC OUTPUT MEASURING SWITCH LOAD A ~ F V TO AC RECEPTACLE ~ Use a circuit above for measuring AC output. A hot plate or lamp with a power factor of 1.0 may be used as a load. Adjust the load and rpm, and check that the voltage range is as specified in the following table at the rated amperage and rated rpm. Specification Model 120V / 60Hz 220V / 50Hz 230V / 50Hz 240V / 60Hz RG2800i RG3200i RG4300i 117-130 215-238 225-248 235-259 RG2800iS RG3200iS RG4300iS 4-3) DC OUTPUT MEASURING SW Load To
