NGV Tank and Valve. 1275C (Supersedes Service Instruction No. · Cleaning the fuel injectors is a good example. The different designs and layouts make the engine stand out in the car, as it is the most visible part of a racing engine.
Install the exhaust manifold. With position tuned nozzles, as current Continental ones are, you need to be careful to get them back to their correct position, just like GAMI ones, but it&39;s not rocket engineering. Install the fuel injector nozzle in the cylinder head. The effective stroke is the period at which fuel is pressurized at injection pressure. and injection nozzle gasket must be changed when the injection nozzle is removed for cleaning or for service. Injector nozzles to inject the fuel into the air stream going into the engine. Copies of FI-2, Position Tuned Fuel Injector Nozzle Installation and Maintenance Manual, X30531, Alternator Service Support Manual, X4, X4, S-20/S-200 Magneto Service Support Manual, and TEC-1, Tips on Engine Care (see position tuned fuel injector nozzle installation and maintenance manual below) are included in the library.
· Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. Such maintenance is best performed every 15,000/20,000 km. If the vehicle is not in good condition, the installation of the NGV system will not result in a satisfactory operation vehicle. Even a new, factory Hilborn system needs some basic post-installation. What is a fuel injection nozzle? Cleaning the fuel injectors is a good example.
Glow Plug and Glow Plug Connector 1) Tighten the glow plugs to the specified torque. • The injection pressure The injection pressure is adjusted by adding or subtracting shims from the top of the nozzle spring. Fuel injectors are designed to atomize the fuel into a mist ideal for the combustion process. The torques for installation are in the manuals, and they are not the most challenging item to work on (one b-nut and one pipe thread per nozzle) on the average GA. 1275B) Engineering Aspects are FAA DER Approved SUBJECT: Cleaning Fuel Injector Nozzles MODELS AFFECTED: Precision Airmotive RS and RSA Fuel Injectors installed on Lycoming aircraft engines. Most people think position tuned fuel injector nozzle installation and maintenance manual that fuel injector cleaning is focused on the nozzle itself. Use fuel injection pump variation 16MA on generator set specification GM21199-GA7. Spraying Chemicals Use any North Star brand or equivalent pressure washer chemicals.
5) 2) Install the glow plug connectors. Because fuel flows through the system in a continuous stream, regardless of piston position or stroke, the nozzle is placed upstream of the intake valve. Injection Nozzle Holder 1) Install the injection nozzle gasket 1 and the O- ring 2 to the injection nozzle holder 3. Refer to Publication Number FI-2, Position Tuned Fuel Injector Nozzle Installation and Maintenance Manual for more detailed information and installation instructions. First check the linkage and butterflies for bind. We do not offer those items. however later part-throttle accelerations still had high knocking (especially sixth gear). regarding 2 above, i had mine installed and tuned by position tuned fuel injector nozzle installation and maintenance manual XAT in tampa.
REQUIRED TOOLS AND EQUIPMENT CAUTION: Refer to the torque specifications, Table 1, “Hose End and Cap Fitting Torque Specifications,” on page 15, when applying torque to hose end fittings. The valve is rotated by the governor arm to regulate fuel injection. Install the cylinder head. Lubricate two new O-rings with a light coating of engine oil.
Install the turbocharger. Refer to "1. Figure 10 The system consists of a fuel injector pump, a control unit, a fuel manifold, and a fuel discharge nozzle. It is a continuous-flow type, which controls fuel flow to match engine airflow.
The installation of the gas equipment comprises the following parts: Pressure Regulator (Reducer) Gas/Air Mixer (or Electronic Fuel Injector) NGV Filling valve. (3) Injection Nozzle Packin (4) Heat Seal (1) Plus Screw Driver (2) Injection Nozzle Fuel Feed Pump and Hour Meter Gear Case 1. • Fuel injection nozzle fhe fuel injection nOllie, like the ILJf~1 injection pump, is SERVICE INSTRUCTION DATE: Septem Service Instruction No. Aircraft fuel systems serve dual purposes: providing fuel for the combustion process and helping to cool the engine. Even a new, factory Hilborn system needs some basic post-installation linkage adjustments, because clearances change as the engine heats up.
Those parts are readily available world-wide from multiple suppliers. Box 90 Mobile Alabama •. · The "H" shaped system of metal tubes and rubber hoses allow vacuum from the air meter to reach the injector nozzles, which helps the fuel to atomize. · Mechanical fuel injection works with a simple throttle-controlled air valve and a fuel pump, usually running at one-half engine speed. Glow Plug Torque kgf·m(lb.
Use variation 1677 on other specs. also apply to engine fuel systems equipped with TCM Position Tuned Fuel Nozzles. What is a fuel injector? When selecting the position, always take into account the space required for easy solenoid valve filter maintenance. document also apply to engine fuel systems equipped with CMIPosition Tuned Fuel Nozzles. used to secure the brass injector line “B” nut. The cam on the throttle shaft combined with the pump’s size (30 or 50 cc) largely controls the volume injected during an idle to WOT situation. Copies of FI-2, Position Tuned Fuel Injector Nozzle Installation and Maintenance Manual, X30531, Alternator Service Support Manual, X4, X4, S-20/S-200 Magneto Service Support Manual, and TEC-1, Tips on Engine Care (see below) are included in the library.
For making nozzle and pill calculations. With system in hand, basic tuning starts with first making sure the linkage is properly adjusted. Chevrolet first printed "Form 1514C, Fuel Injection Specifications" in July of 1965 to document tuning info for all the FI model series from 1957 through 1965. When the valve opens, fuel and air enter the cylinder. (Courtesy of General Motors Corporation Product Service Training) Fuel Metering Fuel is metered by the movement of the control sleeve in relation to the plunger cutoff port, Figure 12. · Tuning Fuel Injection With system in hand, basic tuning starts with first making sure the linkage is properly adjusted. Clean the sealing surfaces on the exhaust pipe and brake valve housing. i suspect it is an easy fix with throttle position in relation to fuel enrichment but i can&39;t get my laptop to work with the datalogit.
Spark Plug: clean every 100 hrs, replace annually or every 300 hrs. Fuel lines and upper deck seals or tubes (if applicable) are position tuned fuel injector nozzle installation and maintenance manual not included. “Position Tuned Fuel Injector Nozzle Installation and Maintenance Manual”for more detailed information and installation instructions. For idle-to-full-throttle drag racing, the fuel mixture is simple to control with jetting for maximum power. Check the exit and conpicuration of the injector supply pipes, making sure there are no obstacles in their way or that they are not in contact with direct heat sources.
In most cases, you can trace problems with a bad fuel injector to a clogged nozzle, stuck valve or failed coil. Maintenance Schedule Engine: O il: change after first 20 hours, then annually or every 100 hours. What is continuous flow mechanical fuel injection?
Mechanical Fuel Injection. 7 Injection pump assembly Remove the injection lines and stop solenoid before removing the injection pump. · Three issues must be considered when tuning the accelerator pump system for optimal results: injection volume, injection rate, and injection duration. · The fuel system tuning in a well-developed fuel injection setup like this involves simply changing a main bypass jet and/or a high-speed poppet pressure setting for variations in air density. CATEGORY 4 SID97-3F SUPERSEDES: SID97-3E and SID07-3A.
What is tuning fuel injection? COMPLIANCE: At any time TCM Position-Tuned Fuel Injection Nozzles are initially installed or when removal is required for service procedures or routine cleaning. Moving the control sleeve changes the effective stroke. Loosen the pipe clamp and remove the fuel pipe from the injection pump side. Page 254 Injector Unit Pump Installation Install the injector unit pump as follows: 1. The size of the calibrated jet in the nozzle and the fuel pressure applied to.
The adjustment procedures provided in this document also apply to engine fuel systems equipped with CMI Position Tuned Fuel Nozzles. Nowadays, there are a number of Part 145 repair stations that will maintenance manual spray check a set of fuel nozzles for you, and their prices are surprisingly reasonable. Use fuel injection pump variation 16LZ on generator set specification GM21199-GA5.
Refer to Publication Number FI-2, Position Tuned Fuel Injector Nozzle Installation and Maintenance. It is relatively simple to set up with few parts requiring regular maintenance. Raise the injection pump and disconnect the governor link from the control rack by removing the snap pin. Add fuel stabilizer to the fuel tank before long term storage. Please read all the WARNINGS and NOTES, as they contain valuable information that can save you time and money. 2 Cylinder Head Installation". An automatic advance device is located I the bottom of the pump.
0gph spread from the first cylinder to peak to the last cylinder peak. CAUTION: Refer to the torque specifications, Table 1, page 10 for specified values when torquing hose end fittings. A bad fuel injector in your vehicle can cause your engine to idle roughly, can increase fuel consumption, and can lead to other performance problems. However, while clear flow through the nozzle is critical, that’s not the part of the fuel injector most subject to failure. After doing a GAMI flight test to measure the actual fuel flow spread I learned that my tuned engine was actually 1. Use variation 1656 on other specs.
This engine from the factory has a TCM tuned injection system with position tuned injector nozzles. The injection timing has been adjusted by the shims between the injection pump and cylinder block; note the. Technical Portions FAA APPROVED.
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