Schultz Fuel Adapter Rebuild/Maintenance Procedure

by bharder30 in Workshop > Cars

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Schultz Fuel Adapter Rebuild/Maintenance Procedure

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The Schultz adapter is used for fueling purposes. This piece particularly is for a race car and is used during practice. This is a stock manufactured piece that needs to be maintained for maximum efficiency. By knowing how to rebuild and maintain this piece, will save money and time. Anyone that gets involved with racing, might need to use this information. This could also be used in different fueling applications. It is important to know how this piece functions in case of any problems while at the race track and under a time crunch.

Supplies

You will need the following items before you begin the process:

1. 1/8" Allen T-Handle Wrench

2. Krytox 205

3. Rubber Gloves

4. Parts Cleaner

(These can all be purchased at your local automotive store)

By the end of this tutorial, an individual will be able to recognize all the pieces that are in a Schultz fuel adapter but also be able to rebuild and maintain them. This will give the basic knowledge needed to ensure nothing is missed.

SAFETY PRECAUTIONS

1. Be sure to wear the gloves at all times, especially while using the Krytox

2. Don't inhale the Parts Cleaner

3. Do not get Kytox or Parts Cleaner in your eyes or mouth at anytime. (If so, seek medical attention)

4. There is a spring inside and will have tension on it.

DISCLAIMER

Statements of fact and opinions expressed are those of the creator. The video provided within this demonstration is for convenience only. I do not sponsor or endorse any of the equipment used.

Remove the Shroud Bolts

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  • Place the Adapter on the edge of the table with the vent tube extending off
  • The assembly contains a compressed spring
  • While placing slight pressure on the top shroud assembly, loosen the bolts using the 1/8" Allen Wrench

Remove Shroud

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  • Once all the bolts are loosened, pressure can be removed from the top of the shroud and the assembly will decompress
  • Place the upper assembly aside for now

Remove the Poppet

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  • Slide the poppet out of the adapter housing
  • Check the o-ring to make sure of no tears

Remove the Spring, Poppet and Sleeve From the Shroud

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  • Remove the sleeve from the shroud
  • Remove the spring from the poppet
  • Remove the poppet from the sleeve
  • Check for problems or any cracks

Accessing and Cleaning

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  • At this point, everything will be disassembled
  • Spray the parts cleaner on each part to make sure of cleanliness
  • Inspect all pieces to ensure they are good

Lubing Poppet

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  • Utilizing a small amount of Krytox grease on your finger
  • Grease the poppet shaft using your finger

Continue Lubing

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  • Make sure o-ring is inserted properly in both pieces
  • Spread a thin layer over exterior o-ring groove
  • Also spread a thin layer on the bolt flange of the adapter housing

Reinstall

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  • Reinstall the cone into the housing
  • Place the spring in
  • Insert the poppet onto the spring
  • Place the sleeve over all the above
  • While pressing on the poppet, compress the spring and insert the poppet shaft into the cone

Compress Sleeve, Poppet and Spring

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  • While pressing the poppet down to compress the spring, lower the sleeve into the body
  • Be careful not to pinch the o-ring into the housing while installing
  • When lowered into the bore, switch pressure from the poppet to the sleeve

Put the Shroud on the Housing

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  • Slide the shroud over the compressed sleeve
  • The small pin hole vent located on the outer wall of the shroud should be located at the 2 o'clock while holding the vent tube
  • Keep pressure on top of the whole assembly
  • Insert bolts in every other hole around the housing
  • Tighten the bolts with the 1/8" Allen Wrench

Complete

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  • At this point, reassembly is complete

Putting It All Together

February 10, 2021

In this video, I demonstrate how to rebuild and maintain a Schultz fuel adapter. Thank you for taking the time to watch my instructable. I hope by following these steps, anyone can do this task and in turn save time and money.