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General| Frequency | 60 Hz |
|---|---|
| Fuel Type | Gasoline |
| Voltage | 120V |
| Power Output | 7000W |
| Engine Type | 4-Stroke OHV |
Handle gasoline, gaseous, and diesel fuels with extreme caution due to fire and explosion hazards.
Take precautions against electric shock by removing power and using protective measures.
Avoid smoking near batteries as they emit explosive hydrogen gas.
Ensure proper ventilation and exhaust system to prevent toxic gas exposure.
Keep the unit and surrounding area clean to prevent overheating and fire hazards.
Be aware of moving parts to avoid entanglement from loose clothing.
Identify the specific generator set model and specification number from the nameplate.
Qualified personnel must perform installation and service to avoid injury or damage.
Provides dimensions, weight, and general characteristics of the generator set.
Lists engine specifications including displacement, bore, stroke, and RPM.
Details battery voltage, oil capacity, and ventilation requirements.
Outlines generator output ratings, voltage, phase, and exciter type.
Warns about the lethal danger of carbon monoxide and symptoms of inhalation.
Overview of the Onan JB Series generating set, engine, and AC generator.
Describes the two-cylinder, air-cooled engine's displacement and compression ratio.
Explains the four-pole, brushless exciter AC generator design and components.
Details the solid-state voltage regulator components and their function.
Describes standard and optional controls found on the typical control panel.
Brief description of standard controls like Start-Stop switch and oil pressure gauge.
Describes optional instruments such as AC voltmeter and running time meter.
Provides caution for voltage reconnection with optional instruments and service center contact.
Lists essential installation requirements including level surface, air flow, and connections.
Guidance on choosing a protected, dry, clean, and well-ventilated location for the set.
Details requirements for a sturdy, level mounting base and cushion assembly.
Explains the need for adequate air circulation for engine and generator cooling.
Instructions for venting exhaust gases and ensuring system integrity.
Guidance on fuel tank installation, fuel line connections, and gaseous fuel setup.
Details on connecting load wires, ground lead, and main switch.
Requirements for standby service including transfer switches and load balancing.
Illustrates a typical load transfer switch connection for line and generator.
Explains generator output lead markings and reconnection options.
Details connections for ammeters, voltmeter, and circuit breakers on a switchboard.
Guidance on adjusting the battery charging rate and resistor tap settings.
Wiring and connection diagrams for various voltage codes and configurations.
Details battery connections, polarity, and precautions against reversed connections.
Instructions for wiring a remote start-stop switch using a 3-wire connection.
Essential checks of oil, fuel, cooling, and electrical systems before starting.
Specifies recommended oil types, weights, and API service designations.
Guidance on using clean, fresh regular grade automotive gasoline.
Steps for the initial start, including checking oil, fuel, and potential spark plug fouling.
Details the manual, mechanical, and electrical sequence for starting and stopping the unit.
Guidance on connecting loads gradually and avoiding overloading the generator.
Recommendation to operate standby sets weekly to ensure proper function.
Procedure for emergency operation and break-in process with load variations.
Measures to protect the set when it will be out of service for over 30 days.
Advice for operating in high/low temperatures, dust, dirt, and high altitudes.
Procedure for switching between gas and gasoline fuel modes and related adjustments.
Instructions for checking, gapping, and replacing ignition breaker points.
Details on adjusting main fuel and idle speed needles for gasoline carburetors.
Procedure for adjusting the float level in the Zenith carburetor.
Details for adjusting gas and gasoline main and idle adjustments.
Table and guidance for adjusting the choke based on ambient temperature.
Explanation of the thermostatic choke operation and adjustment procedure.
Instructions for adjusting governor speed and sensitivity for stable engine operation.
Factory recommended maintenance schedule based on operating hours.
Periodic inspection of the rotating rectifier assembly for dust and proper torque.
Guidance on checking battery condition, connections, and electrolyte levels.
Procedure for safely removing and installing the oil filter.
Instructions for cleaning and maintaining foam and dry element air cleaners.
Explanation of the oil level indicator and warnings about checking while running.
Procedure for cleaning and reinstalling the crankcase breather assembly.
Illustrates how to correctly set the spark plug gap using a gauge.
Common issues and causes related to the generator's starting system.
Diagnosing problems with timing, spark plugs, coil, and wires.
Identifying and resolving issues with fuel supply, mixture, and filters.
Troubleshooting engine internal components like valves, rings, and bearings.
Addressing overheating and coolant issues specific to air-cooled systems.
Diagnosing problems with oil pressure, pump, and oil level.
Resolving issues related to linkage, speed, and governor sensitivity.
List of common external parts requiring replacement due to normal wear.
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