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Old May 27th, 2017, 02:12 PM   #1
Wanderer
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Here's a tip for anyone that sometimes needs a small amount of compressed air!

Recently, I needed a little blast of high pressure(30-80psi) compressed air to remove the pistons on my old Yamaha Virago front brake calipers. I don't have an air compressor and I didn't want to buy one for this small job.

I realized that I had an old tire inflater air tank that has been sitting around in my garage for years now. So, I went down to Harbor Freight and bought a rubber tipped air hose trigger and quick release fittings kit for $15 dollars.

I then cut the existing tire filler from the old air tank and clamped the quick release fitting on the old tank air hose.

Now I can fill tires with it or attach the air trigger to do things like blow out jets in my carburetor, clean off dirt or metal shavings or have compressed air in limited amounts when needed.

A full air tank with about 100psi in it has lasted me several projects and has kept me from having to buy an air compressor. I then just go refill it when I need gas.

I hope you find this tip helpful.
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Old May 27th, 2017, 03:02 PM   #2
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Oh, and a few small squirts of compressed air popped the front brake caliper pistons out great! Worked well.
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Old May 27th, 2017, 03:42 PM   #3
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I use a car tyre with a hose I've made up from a old 12v pump and a old trigger fitting I "found" at work.

30 odd psi is enoung for tye little jobs.

Hooked up to a truck tyre and you are pushing 100 psi.
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Old May 27th, 2017, 04:15 PM   #4
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You sure you don't want an air compressor? They're pretty darned handy, and don't have to be big or expensive.
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Old May 27th, 2017, 04:36 PM   #5
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Old May 27th, 2017, 05:25 PM   #6
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Get an air compressor, it will save you time.
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Old May 27th, 2017, 06:48 PM   #7
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I can connect my little hose up anywhere anytime, It takes up no room in the tool box or bag, it also fits under the pillion seat of the bike, it also doesn't need a power supply.

The only down side is that the air line is only about 1 meter long so you need to to have the supply close to what it is feeding.

Would a compressor be better at supplying air pressure, yes, but would a compressor fit unxer the pillion seat.

It's a great little gadget in my arsenal of handy stuff.

It cost about $5 in fittings to mash it together and it only took 1 can of JD and Cola in time.

Actually, with all this talk, I might make up a nice, non Frankenstein version.

I'm picturing some nice curly line.

I just eBayed, $11.31 for the curly hose and 2 tyre fittings.

http://m.ebay.com.au/itm?itemId=292118785138

http://m.ebay.com.au/itm?itemId=131990468592
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Old May 27th, 2017, 06:58 PM   #8
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I carry a compressor. It's the guts from a cheap 12v tire pump. It fits in a side compartment of a tail bag, or in a tank bag, etc..

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Old May 28th, 2017, 05:02 AM   #9
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Get a pair of these pliers . It only takes seconds to pull pistons out with them

http://kwickstand.net/Hyper-Formance...er_Pliers.html
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Old May 30th, 2017, 06:59 AM   #10
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^^ those pliers are pretty neat. I always used a little compressed air but it can be messy.
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Old May 30th, 2017, 07:09 AM   #11
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A tank is what I use at track days (tip: If you do this, go for the aluminum tank... so much lighter). For about a year I filled it at the local gas station, but that hose only got it up to 75 psi or so.

I waited for a sale and picked up the 150 psi Harbor Freight compressor for $100. I use the air tank for most jobs (no noise, easy to carry) and just fill it from the compressor when needed.
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Old May 30th, 2017, 11:24 AM   #12
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Here's a strange progression of my track procedures...

1. I used to use a small electric air-pump plugged into cigarette lighter to top-off my tyres.
2. I used to bring filled air-tank from home to top-off tyres
3. Now I just use a bicycle pump!
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Old May 30th, 2017, 01:18 PM   #13
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I used to do the bicycle pump thing.

Then it got to be late July and there I was in a 30 lb leather suit sweating like a pig....
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Old May 31st, 2017, 12:31 PM   #14
Wanderer
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My point is guys about using what you have instead of buying new. I prefer buying cheap, used, old, second hand tools if need be or not buying anything at all if I can help it.

I have had the old steel air tank for years now and I no longer used it since I have a small low volume A/C tire air compressor. The problem is that the new little A/C air compressor has very little air volume available in one burst.

I was about ready to just give the old air tank away since I never used it. Now I have a high air volume source (25-100PSI) available for free! I can then just use my new small tire inflator to fill the tank when it needs it or go to the local gas station to fill it.

Make do with what you have. As I always say, less is always better.
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Old May 31st, 2017, 12:33 PM   #15
Wanderer
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Quote:
Originally Posted by cbinker View Post
Get an air compressor, it will save you time.
I'm in no hurry...
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Old May 31st, 2017, 12:39 PM   #16
Wanderer
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Quote:
Originally Posted by MLR View Post
I use a car tyre with a hose I've made up from a old 12v pump and a old trigger fitting I "found" at work.

30 odd psi is enoung for tye little jobs.

Hooked up to a truck tyre and you are pushing 100 psi.
I really like the tire idea! But, as I said, I used what I had available.

Good idea!
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Old May 31st, 2017, 01:08 PM   #17
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Quote:
Originally Posted by Wanderer View Post
My point is guys about using what you have instead of buying new. I prefer buying cheap, used, old, second hand tools if need be or not buying anything at all if I can help it.
I strongly agree with that. I was given this compressor about 15 years ago. Its owner had a newer one and didn't want it around. (!)

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Old May 31st, 2017, 01:14 PM   #18
Wanderer
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Quote:
Originally Posted by Triple Jim View Post
I strongly agree with that. I was given this compressor about 15 years ago. Its owner had a newer one and didn't want it around. (!)

Jim, I love it! I would die for a shop big enough for that baby!
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Old June 4th, 2017, 05:30 PM   #19
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Quote:
Originally Posted by sharky nrk View Post
^^ those pliers are pretty neat. I always used a little compressed air but it can be messy.
Here is a VID of how they work

https://www.youtube.com/watch?v=ptqZpDargrM
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Old June 4th, 2017, 05:52 PM   #20
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Quote:
Originally Posted by steiny View Post
Here is a VID of how they work

Link to original page on YouTube.

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