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Hersteller: Generac Power Systems Dateigröße: 3.64 mb Dateiname: Unterrichtssprache:

of Teeth on Flywheel ..............................................................104 Ignition Timing at 1800 rpm ........................................................35 degrees BTDC at 3600 rpm ........................................................43 degrees BTDC Spark Plug Gap ......................................................0.020-0.025 inch Recommended Spark Plugs Champion ........................................................................RN11YC4 Oil Pressure ........................................................................30-50 psi Crankcase Oil Capacity ............................4.0 U.S. quarts (3.8 liters) Recommended Engine Oil ............................................SAE 15W-40 Type of Cooling System ......................Pressurized, closed recovery Cooling Fan ....................................................................Pusher Type Cooling System Capacity............................2 U.S. gallons (7.6 liters) Recommended Coolant ................................Use a 50-50 mixture of ethylene glycol base. FUEL CONSUMPTION Models 004474, 004475 Using Natural Gas ..............................................441 cu. ft. per hour Using LP Gas ..................................175 cubic ft.(4.8 gal.) per hour Models 004370, 004371 Using Natural Gas ..............................................359 cu. ft. per hour Using LP Gas ..................................143 cubic ft. (4.0 gal.) per hour Models 004188, 004189 Using Natural Gas ..............................................277 cu. ft. per hour Using LP Gas ..................................110 cubic ft.(3.1 gal.) per hour NOTE: Fuel consumption is given at rated maximum continuous power output when using natural gas rated at 1000 Btu per cubic foot; or LP gas rated 2520 Btu per cubic foot. Actual fuel consumption obtained may vary depending on such variables as applied load, ambient temperature, engine conditions and other environmental factors. TORQUE SPECIFICATIONS Cylinder Head ..................................................15 (+ 90° + 90°) ft.lb. Intake Manifold ......................................................................13 ft.lb. Exhaust Manifold ..................................................................13 ft.lb. ENGINE OIL RECOMMENDATIONS The unit has been filled with 15W-40 engine oil at the factory. Use a high-quality detergent oil classified “For Service CC, SD, SE, SF.” Detergent oils keep the engine cleaner and reduce carbon deposits. Use oil having the following SAE viscosity rating, based on the ambient temperature range anticipated before the next oil change: Temperature Oil Grade (Recommended) Above 80° F (27° C) SAE 30W or 15W-40 32° to 80° F (-1° to 27° C) SAE 20W-20 or 15W-40 Below 32° F (0° C) SAE 10W or 15W-40 ! Any attempt to crank or start the engine before it has been properly serviced with the recommend ed oil may result in an engine failure. COOLANT RECOMMENDATIONS Use a mixture of half low silicate ethylene glycol base anti-freeze and half soft water. Cooling system capacity is about 8 U.S. quarts (7.6 liters). Use only soft water and only low silicate anti-freeze. If desired, add a high quality rust inhibitor to the recommended coolant mixture. When adding coolant, always add the recommended 50-50 mixture. ! Do not use any chromate base rust inhibitor with ethylene glycol base anti-freeze or chromiumhydroxide (“green slime”) forms and will cause overheating. Engines that have been operated with a chromate base rust inhibitor must be chemically cleaned before adding ethylene glycol base antifreeze. Using any high silicate anti-freeze boosters or additives will also cause overheating. DO NOT use any soluble oil inhibitor for this equipment. BEFORE INSTALLATION Before installing this equipment, check the ratings of both the generator and the transfer switch. Read “Emergency Isolation Method” and “Total Circuit Isolation Method” in the installation manual (Part No. 079699). The generator’s rated wattage/amperage capacity must be adequate to handle all electrical loads that the unit will power. It may be necessary to group the critical (essential) loads together and wire them into a separate “emergency” distribution panel. This generator can be installed in conjunction with a standard Generac “GTS” type transfer switch, if desired. The standard transfer switch has no sensing or controlling circuit boards. Instead, the generator control console houses a “Control Module Assembly”, which controls all phases of operation, including engine start up and load transfer. Generac® Power Systems, Inc. 7 Section 2 — Installation Guardian Liquid-cooled 15 kW, 20 kW and 25 kW Generators STANDBY GENERATOR INSTALLATION DANGER Connecting this generator to an electrical system normally supplied by an electric utility shall be by means of a transfer switch, so as to isolate the electric system from the utility distribution system when the generator is operating. Failure to isolate the elec...

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