Copper

Why are copper washers required on banjo fittings?

Why are copper washers required on banjo fittings?
  • 3691
  • Edward King

You are correct that the copper washer is required to create a seal. Even flat copper washers will deform during tightening to create a seal. They're made from annealed copper, which is very soft. The raised ridge just reduces the load required to initiate the seal.

  1. What are copper washers used for?
  2. What is a banjo washer?
  3. Can you reuse banjo bolt washers?
  4. How many washers do you need for a banjo bolt?
  5. Can you stack copper crush washers?
  6. Can you use copper crush washers on aluminum?
  7. Do you have to line up banjo bolts?
  8. How can I reuse my copper washer?
  9. Are all banjo fittings the same?
  10. How many times can you reuse a crush washer?
  11. Which way do copper crush washers go?
  12. Should I replace banjo bolt?

What are copper washers used for?

There are many benefits to using copper. For starters, it is a ductile metal that is well known for its soft and malleable properties. This allows copper to be formed into any shape, so you can easily get a copper washer in any design needed. It is also used as a conductor of heat and electricity.

What is a banjo washer?

A banjo fitting or internally relieved bolt comprises a perforated hollow bolt and spherical union for fluid transfer. They are commonly found in automotive fuel, motor oil and hydraulic systems (e.g.: brakes and clutch). The pipe connected may be either rigid or a flexible hose.

Can you reuse banjo bolt washers?

You can reuse the old ones in a pinch just check them for weepage a when its done and a couple of day later. If you do have one that weeps just tighten it very lightly and move the fitting a few times back and forth then tighten to spec.

How many washers do you need for a banjo bolt?

bolts, and four crush washers included in kit, P/N 11393. brake outer flexible hose. washers from the LH caliper and discard.

Can you stack copper crush washers?

Double stacking the washers is never a good idea. The washers are made to seal against a solid surface, not another washer.

Can you use copper crush washers on aluminum?

3) You can deform both a steel, aluminum, or copper crush washer.

Do you have to line up banjo bolts?

The banjo bolt passes through the center of the fitting, which also has a hole in it. ... Those seals allow fluid to pass around the bolt, which means the holes do not need to line up unlike a standard threaded fitting, making installation of flexible lines easy (and in many cases, even possible in the first place.)

How can I reuse my copper washer?

To reuse properly just heat them with a propane torch until they glow. Then just let them cool, do not drop them in cold water. No problem to do this 2-3 times, but eventually they will wear and leak.

Are all banjo fittings the same?

No they are different but you can just use the banjo bolt the comes with the Saint caliper. ... Shouldn't have any leaks, its just a different position for the hose on the caliper.

How many times can you reuse a crush washer?

Never more than once after the initial "crush." Did it today actually when I removed and replaced the FSP on my 16".

Which way do copper crush washers go?

It has a notch in it that goes in the direction of the threads. The flat side screws down against the head of the bolt, and the rounded side crushes up against the pan.

Should I replace banjo bolt?

You should replace them every time they are removed or even loosened. Both of them on a banjo bolt. Sometimes you can get away reusing them, but rarely.

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