Casio 1794 1790, Quiet Flo Electric Fuel Pumps For EFI User Manual To The A6266ce2 E5c0 495e 8dda 978ad5d0556a
User Manual: Casio 1794 to the manual
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® Edelbrock Quiet-Flo Electric Fuel Pumps For EFI Applications Catalog #1790 (80 gph) & 1794 (120 gph) INSTALLATION INSTRUCTIONS PLEASE study these instructions completely and thoroughly before installing your new Fuel Pump. If you have any questions or problems, contact our Technical Hotline at: 1-800-416-8628, 7 am - 5 pm Monday-Friday, Pacific Standard Time or e-mail us at edelbrock@edelbrock.com. DESCRIPTION: Edelbrock Quiet-Flo Electric Fuel Pumps feature anodized aluminum housings and high quality internal construction, making them strong, durable, and quiet. #1790 features a -10 AN inlet/outlet, while #1794 features a -12 AN inlet/outlet. Both pumps are compatible with all grades of gasoline and methanol type fuels. Performance Specifications are listed below. CAUTION! Installation of this product should be performed by persons knowledgeable in the repair and modification of high pressure automotive fuel systems. Do not loosen fuel system connections until relieving fuel pressure as recommended in your automotive service manual. Fuel leakage will occur when loosening fuel system connections, eliminate potential fire hazards before loosening any fuel system connections. PERFORMANCE SPECIFICATIONS: Outlet Pressure/Flow Maximum Pressure Current Draw 1790 45 psi/80 gph (480 lbs/hour) @ 12 Volts 90 psi 12.5 amps @ 45 psi 1794 45psi/120gph (720 lbs/hour) @ 12 Volts 100 psi 14.5 amps @ 45 psi Conversions: 1 gallon gasoline = 6.0 lbs (average) 1 bar = 14.5 psi 1790 1794 INSTALLATION: NOTE: The use of a pre-filter (60 micron maximum) is needed before the fuel pump, and a 10 to 30 micron (maximum) is needed after the fuel pump. If a pre-filter is not used, early fuel pump failure can/will occur. See Figure 1. IMPORTANT: When choosing pump location, make sure to mount the fuel pump at or below the level of the bottom of the fuel tank. This will ensure that the fuel pump will have a head of fuel pressure on the inlet side to aid in priming the fuel pump. Damage to the pump will occur if the pump is mounted incorrectly. See Figure 1. 1. 2. 3. 4. 5. With the ignition “off” and engine cool, relieve the fuel system pressure. Disconnect the existing fuel pump lines. Plug the open fuel lines to prevent foreign matter from entering the fuel system. Remove existing fuel pump. Determine the new fuel pump mounting location. Remember, the fuel pump must be mounted at or below the bottom of the fuel tank. Replace existing fuel lines as necessary for proper fitment. Use existing bracket holes, if possible. Otherwise, for #1790, mark and drill mounting bracket holes using the brackets as a template. On 1794 fuel pumps, the mounting brackets are integral to the body of the fuel pump. Hold the fuel pump in position and use the mounting holes as your template. Assemble the bracket and fuel pump (On 1794, bracket assembly is not required). Catalog #1790, #1794 Rev. 2/05 - RS/mc Page 1 of 2 ©2005 Edelbrock Corporation Brochure # 63-0171 6. 7. 8. 9. Install the fuel pump and bracket assembly in the desired location. Make sure the pump is facing the proper direction. The outlet is on the same side as the fuel pump’s electrical connections (See Figure 2). Pump Wiring: NOTE: A RELAY IS RECOMMENDED FOR PROPER OPERATION. Edelbrock offers a 30 amp universal electric fuel pump relay, part #1795. Wiring instructions are included with the fuel pump relay. If a relay is not being used, connect a BLACK 12-gauge wire to the negative (-) terminal on the fuel pump, and to a quality ground location (Engine ground or negative battery terminal is recommended). Connect a RED 12-gauge wire (+) from a 12v key-on switched connection, such as a 30 amp relay, to the positive terminal on the fuel pump. Check to make sure power is only on when the key is on. Recommended 30 Amp inline fuse. Install the o-rings and fittings (fuel fittings and O-rings not included) (See Figure 2) and connect to your fuel lines. Check for leaks: Turn ignition to the “Run” position without starting the engine and check all connections for leaks. If any leaks exist, immediately turn key off and repair leaks before continuing. Fuel Filter 10-30 Micron Recommended Pre-Filter 60 Micron Recommended Mount At or Below Bottom of Fuel Tank Fuel Tank Fuel Pump Flow Figure 1 - Typical Fuel System Layout (Supply Side) 17 Fuel 9 17 0: - In 94 : - 10 AN 12 AN BLACK Re d Mo Bra untin cke g ts* *Mounting brackets are integral to the body of fuel pump #1790. No assembly is necessary. O-Ring Bla ck 17 Fuel 9 O 17 0: - ut 94 1 : - 0 AN 12 AN RED + EFI Fuel Pump #1790: Requires two -10 fittings. (Not Included) Russell Part #670710 EFI Fuel Pump #1794: Requires two -12 fittings. (Not Included) Russell Part #670730 Figure 2 - Fuel Pump Fitting Assembly (1790 Shown) Edelbrock Corporation • 2700 California St. • Torrance, CA 90503 Tech-Line: 800-416-8628 • E-Mail: Edelbrock@Edelbrock.com Catalog #1790, #1794 Rev. 2/05 - RS/mc Page 2 of 2 ©2005 Edelbrock Corporation Brochure # 63-0171
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