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Mechanical Gas Fuel System G5.9, G8.3 – 200-001   Flow Diagram, Fuel System

Table of Contents

Flow Diagram

Flow Diagram

 TOC

SMALL | MEDIUM | LARGE
G5.9 Fuel Flow

  1. Fuel inlet
  2. Fuel shutoff valve
  3. Secondary fuel pressure regulator
  4. Throttle actuator
  5. Air inlet
  6. Governor linkage
  7. Governor
  8. Intake manifold.

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GTA8.3 Gas Flow System

  1. Fuel inlet
  2. Fuel shutoff valve
  3. Pressure regulator valve
  4. Mixer
  5. Air inlet from filter
  6. Turbocharger
  7. Charge air cooler inlet tube
  8. Charge air cooler
  9. Charge air cooler outlet tube
  10. Throttle actuator
  11. Intake manifold
  12. Intake valve.

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GTA855 Natural Gas (NG)

  1. Fuel inlet
  2. Fuel shutoff valve
  3. Fuel flow regulator
  4. Air inlet
  5. Air cleaner
  6. Air horn
  7. Air/fuel mixture adjustment
  8. Carburetor
  9. Air transfer tube – turbocharger inlet
  10. Turbocharger compressor housing
  11. Air transfer tube – turbocharger outlet
  12. Throttle valve assembly.

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GTA855 Propane Vapor (PV)

  1. Fuel inlet
  2. Fuel shutoff valve
  3. Fuel flow regulator
  4. Air inlet
  5. Air cleaner
  6. Air horn
  7. Air/fuel mixture adjustment
  8. Carburetor
  9. Air transfer tube – turbocharger inlet
  10. Turbocharger compressor housing
  11. Air transfer tube – turbocharger outlet
  12. Charge air cooler
  13. Air transfer tube – charge air cooler outlet
  14. Integral actuator and throttle body.

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GTA855 Liquid Propane Gas (LPG)

  1. Fuel inlet
  2. Evaporators
  3. Fuel filter
  4. Air inlet
  5. Air cleaner
  6. Air horn
  7. Air/fuel mixture adjustment
  8. Carburetor
  9. Air transfer tube – turbocharger inlet
  10. Turbocharger compressor housing
  11. Air transfer tube – turbocharger outlet
  12. Charge air cooler
  13. Air transfer tube – charge air cooler outlet
  14. Integral actuator and throttle body.

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Evaporators

  1. Coolant flow from engine to first evaporator
  2. Coolant flow from first evaporator
  3. Coolant inlet to second evaporator
  4. Coolant outlet from second evaporator
  5. Fuel inlet
  6. Fuel filter
  7. Fuel shutoff solenoids
  8. Evaporator.

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KTA19GC

  1. Air inlet
  2. Gas supply
  3. Carburetor
  4. Throttle plate
  5. Turbocharger.

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GTA38 shown, GTA50 similar

  1. Fuel inlet
  2. Fuel shutoff valve
  3. Engine mounted regulator
  4. Air/Fuel mixer
  5. Air inlet
  6. Turbocharger
  7. Aftercooler
  8. Fuel inlet crossover pipe
  9. Throttle body
  10. Intake manifold
  11. Fuel flow to cylinder heads.

SMALL | MEDIUM | LARGE
GTA28 Natural Gas

  1. Fuel inlet
  2. Fuel shutoff valve
  3. Engine mounted regulator
  4. Flow to right and left bank mixers
  5. Right bank mixer
  6. Left bank mixer
  7. Flow to right bank turbocharger
  8. Flow to left bank turbocharger
  9. Right and left bank turbochargers
  10. Right bank flow to charge air cooler
  11. Left bank flow to charge air cooler
  12. Right bank return from charge air cooler
  13. Left bank return from charge air cooler
  14. Right bank flow through throttle body
  15. Left bank flow through throttle body, aftercooler and combustion chamber
  16. Right bank flow through aftercooler
  17. Right bank flow into the combustion chamber.

SMALL | MEDIUM | LARGE
Liquid Propane Gas (LPG)

  1. Fuel inlet
  2. Fuel filters
  3. Flow through evaporators
  4. Flow to left and right bank mixers
  5. Right bank mixer
  6. Left bank mixer
  7. Flow to right bank turbocharger
  8. Flow to left bank turbocharger
  9. Left and right bank turbocharger compressors
  10. Right bank flow to charge air cooler
  11. Left bank flow to charge air cooler
  12. Right bank return from charge air cooler
  13. Left bank return from charge air cooler
  14. Right bank flow through throttle body
  15. Left bank flow through throttle body, aftercooler and combustion chamber
  16. Right bank flow through aftercooler
  17. Right bank flow into the combustion chamber
  18. Pressure relief valves.

SMALL | MEDIUM | LARGE
KTA38GC

  1. Fuel inlet
  2. Fuel regulator
  3. Fuel metering valve
  4. Mixer
  5. Air filter
  6. Filtered air inlet to mixer
  7. Fuel/air mixture flow to turbocharger
  8. Turbocharger
  9. Throttle
  10. Aftercooler
  11. Intake manifold
  12. Fuel pressure sensor lines.
Last Modified:  22-Oct-2010
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