air compresser on an 83 GL1100 aspencade


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roadwanderer2
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Motorcycle: 83 GL1100A aspencade, previously owned, 1981 honda GL500i silverwing interstate, 1974 yamaha xs400, 1974 Honda cb450 twin cam, 1983 honda vt30, 1982 honda 700 shadow, 1972 cb750four, and my first bike, a brand new 1982 honda CM400e. and a new to me 1986 GL1200 aspencade SEi
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air compresser on an 83 GL1100 aspencade

Postby roadwanderer2 » Mon Aug 12, 2013 1:15 pm



this question is mainly for bikerbuck, or anyone else with an 83 GL1100 aspencade.

on the air compresser, theres a rubber tube with what looks like a diaphram or a "check valve attached to it, and when i press the buttons to put air into the shocks, the compersser is working, theres air comming out of that rubber line, but its not attached to anything, its just laying there under the tank shelter.

does anyone know where this rubber tube connects to?

stuart, a.k.a. roadwanderer2



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BikerBuck
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1983 GL1100A Aspencade (sold)
1978 GS 750

Re: air compresser on an 83 GL1100 aspencade

Postby BikerBuck » Mon Aug 12, 2013 10:53 pm

Roadwanderer2, sounds like your describing the air filter. one end attaches to the pump, the other hangs free under the false tank. it's normal to pulses of air why the pump is running.

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roadwanderer2
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Re: air compresser on an 83 GL1100 aspencade

Postby roadwanderer2 » Tue Aug 13, 2013 4:47 am

good mornin bikerbuck:

thanks for the reply about this air line.....ok, so, its supposed to be just "their". ok, thats cool. then i guess the shock ARE no good, because when i press the buttons for the compresser AND the rear shock "incress" button at the same time, neither of the rear shocks arent filling up, or the compresser isnt sending any air to them. either way, somethings not right.

let me ask you this.....is there any way to make these rear air shocks fillable from lines with shraidder valves attached, and do the same with the fronts like the GL and CX 500's? those bikes have, for the front air forks, lines connected and a valve on the upper right fork top just above the triple tree that you can manually inflate.

i had my wife on the back the other day, and when i went over a bump in the road, you could feel the back bottom out so bad, i thought the rear tire was under inflated and the wheel was being hit on the road.

stuart, a.k.a. roadwanderer2

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NKYWinger
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Re: air compresser on an 83 GL1100 aspencade

Postby NKYWinger » Tue Aug 13, 2013 9:32 am

:?: :?: I've a question for the 'compressor guru's' along the same lines:

I can increase/decrease pressure in the forks using the compressor without a problem, HOWEVER....when I try to put air IN the rear shocks, the compressor runs and....nothing happens...I can fill them with my shop air when I put air in the valve on the compressor and hold down the rear shock and increase buttons on the dash, so I know the lines are good.

:?: Is there a check valve are something else I need to check :?:

I like the convenience of an on-board air compressor - just need to get it working right!

Thanks in advance for your words of wisdom.....
--John--

FTCS(SS) USN Ret.
'83 GL1100 Aspy (SOLD)
'03 GL1800
'08 Lees-ure Lite
GWRRA 339547 KY - 'G'
DS# 1547

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BikerBuck
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Re: air compresser on an 83 GL1100 aspencade

Postby BikerBuck » Tue Aug 13, 2013 4:23 pm

roadwanderer2, yes u can use a Schrader valve to fill the shocks. you just need a "T" fitting to feed both hoses. I'm not sure how difficult it would be to match the fittings on your hoses though. My guess is your air seals in the shocks are long gone. They can be rebuilt,and there are posts here for diy. Or if your budget allows replace them with progressive shocks. Wingadmin has a good " how to" for that, but it will set you about 3 bills. you can also try the Schrader valve on the compressor like NKYWinger is doing on the post following yours.

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BikerBuck
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Re: air compresser on an 83 GL1100 aspencade

Postby BikerBuck » Tue Aug 13, 2013 4:28 pm

NKYWinger, Your problem has me scratching my head. I don't know enough about the valve system to give any advice at this time. Hope someone else has some input because your right, the onboard compressor is very handy.

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roadwanderer2
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Re: air compresser on an 83 GL1100 aspencade

Postby roadwanderer2 » Tue Aug 13, 2013 9:04 pm

well bikerbuck. i'll tell ya. i just spent 4 hours changing out the rear air shocks with a pair that i got from a bike salvage yard. to my disappointment, after i finished the work, put the bike back together, i tried to pump up the shocks using the onboard compresser.........the shocks went up, held air for about 3 minutes and went right back down again. all that work for nothing. now i have to take it all apart......again, and put my original shocks back on. what a pain in the A**. :x

stuart, a.k.a. roadwanderer2

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jhbates2000
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Re: air compresser on an 83 GL1100 aspencade

Postby jhbates2000 » Wed Aug 14, 2013 1:02 am

My question regarding the on board compressor is, how do I know if it is even working? The buttons on the dash on my 83 1100 seem to be very stiff. how do I know how much air I am putting in them if and when I can figure out if the compressor is even working???

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roadwanderer2
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Re: air compresser on an 83 GL1100 aspencade

Postby roadwanderer2 » Wed Aug 14, 2013 8:51 pm

hi jhbates:

i found out purly by accident that when you run the compresser with the ignition switch on, it has a read out disply where the water temprature would normaly show, but you have to have the the key turned to at least the "on" setting, and, if while pressing the "run compresser" switch and the front or rear button at the same time, you can hear the compresser running if in fact it is working.....also, open your false tank shelter and you should be able to SEE it moving if its working.

stuart, a.k.a. roadwanderer2

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roadwanderer2
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Re: air compresser on an 83 GL1100 aspencade

Postby roadwanderer2 » Wed Aug 14, 2013 8:55 pm

ok bikerbuck, new question about the air shocks.....i put my original shocks back on got everything back together, and when i try to pump them up, they wont fill up. now i cant ride my bike because the back tire is rubbing against the left side under the fender. what am i doing wrong, or are these shocks dead now too.

stuart, a.k.a. roadwanderer2

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BikerBuck
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Re: air compresser on an 83 GL1100 aspencade

Postby BikerBuck » Wed Aug 14, 2013 10:09 pm

Big Bummer I think I'd check compressor output, lines and connections for leaks, try adding air to the Schrader valve at the compressor while holding down the selector button. Seems odd both sets of shocks would be bad. Keep me posted

1amp
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Re: air compresser on an 83 GL1100 aspencade

Postby 1amp » Wed Aug 14, 2013 11:09 pm

New question how can I tell when I have reached the right PsI in the front and rear shocks. I have an electronic dash on my 83 aspencade

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roadwanderer2
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Re: air compresser on an 83 GL1100 aspencade

Postby roadwanderer2 » Thu Aug 15, 2013 4:36 am

thanks bikerbuck, i'll give that a try and let you know what happens.

stuart, a.k.a. roadwanderer2

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roadwanderer2
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Re: air compresser on an 83 GL1100 aspencade

Postby roadwanderer2 » Thu Aug 15, 2013 4:41 am

1amp.....theres an air "guide" on the left side of the control pannal, watch the LED read out display as the air pressure rises, and try to read what the pressure corallates with on the "guide"..... recomended pressure is......14-21lbs front, 28-57lbs rear. i dont know if you can use a tire pressure guage to do this with as im not TOO familure with these bikes yet as i just got my '83 aspy a week ago, but im learning very quickly what makes it "tick".........$$$$$$ lol.

hope this helped ya.

stuart, a.k.a. roadwanderer2

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NKYWinger
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Re: air compresser on an 83 GL1100 aspencade

Postby NKYWinger » Thu Aug 15, 2013 6:15 am

Do we have, any where, a schematic that shows how the air lines run so I can chase down my problem with filling the shocks?
--John--

FTCS(SS) USN Ret.
'83 GL1100 Aspy (SOLD)
'03 GL1800
'08 Lees-ure Lite
GWRRA 339547 KY - 'G'
DS# 1547

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roadwanderer2
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Re: air compresser on an 83 GL1100 aspencade

Postby roadwanderer2 » Thu Aug 15, 2013 7:09 am

nkywinger:

i just got a shop repair cd for the '83 aspy, let me look thru it and see if i can find something about that on it for ya. give me some time as im not really sure where on it to look. i'll post it here later, if i can find it.

stuart, a.k.a. roadwanderer2

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NKYWinger
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Re: air compresser on an 83 GL1100 aspencade

Postby NKYWinger » Thu Aug 15, 2013 7:13 am

stuart-

that'd be a big help; thanks!
--John--

FTCS(SS) USN Ret.
'83 GL1100 Aspy (SOLD)
'03 GL1800
'08 Lees-ure Lite
GWRRA 339547 KY - 'G'
DS# 1547

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roadwanderer2
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Re: air compresser on an 83 GL1100 aspencade

Postby roadwanderer2 » Thu Aug 15, 2013 11:01 am

hey bikerbuck;

i tried to pump up the shocks via the tops of them using a shrader valve to no avail. now....theres a bar attached to the left side of the swing arm and it connects to the rear brake caliper holder. the tire is rubbing against that bar.....the wheel is straight, not on any angle, even when i have the bike lifted off the ground with a hoist, the tire still hits it even when i have the shocks disconnected from the frame......any ideas as to why? i cant figure this out. i even went to my local bike salvage yard and found a pair of "progressive shocks", brought them home, put them on and its STILL not working. the bike refuses to raise up in the back.

stuart, a.k.a. roadwanderer2.

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roadwanderer2
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Re: air compresser on an 83 GL1100 aspencade

Postby roadwanderer2 » Thu Aug 15, 2013 5:50 pm

well, i have good news and bad news to report. bad news first....... i had to go to the doctor yesterday for a long awaited full eye exam. (the veterans had a 2 year back up on eye appointments). turns out i need eye surgery on both eyes due to cataracts that i never knew i had, so sometime in october im going to have it taken care of.

now for the GOOD news....... after rideing the bike to my local tire shop, (rear trunk, side boxes and signals disconneted btw), i opened the tank shelter, took the cap off the compresser and gave it a blast with the shop's air hose. that must have knocked something free cause the rear shocks are now fully aired up and the wheel is now off the frame and i now have it all back together and "on the road again". this wasnt a job or an adventure, it was a NIGHTMARE. :D.

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Re: air compresser on an 83 GL1100 aspencade

Postby BikerBuck » Thu Aug 15, 2013 9:56 pm

Congrats to you roadwanderer! Sometimes it is just plain persistence. Seems like you have a good bike shop also. I think I'd ride as much as I could between now and October.

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Re: air compresser on an 83 GL1100 aspencade

Postby BikerBuck » Thu Aug 15, 2013 10:04 pm

Roadwanderer BTW did you leave the progressive shocks on?

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NKYWinger
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Re: air compresser on an 83 GL1100 aspencade

Postby NKYWinger » Fri Aug 16, 2013 6:33 am

roadwanderer - great news on the eyes!
I can pump my rear shocks up the same way (using shop air) but not with the onboard compressor. I am so confused.......
--John--

FTCS(SS) USN Ret.
'83 GL1100 Aspy (SOLD)
'03 GL1800
'08 Lees-ure Lite
GWRRA 339547 KY - 'G'
DS# 1547

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roadwanderer2
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Re: air compresser on an 83 GL1100 aspencade

Postby roadwanderer2 » Fri Aug 16, 2013 9:52 am

ok, let me answer these questions in order.........nywinger.......thanks....bikerbuck....no i didnt leave them on, i reinstalled my original shocks.........nywinger.......if your compresser is working, you should be able to fill the shocks up now since you gave them a shot of high compressed air from a REAL air hose and with the key in the "on" setting, look at you guages, where the water temp usually is, once you press the "compresser" button AND either the front or rear button at the same time, you'll get a digital "readout" and it has in brackets where your front and rear air pressure is at that moment ..............bikerbuck.....yes, persistance is the mother of invention lol, also, the winters here arent that cold, ive always rode my bikes all year round as long as theres no snow or ice on the ground. i have lots of longjohns, gloves and winter rideing gear that i wear once the temps get below 70*, as far as im concerned, anything below 70 is longjohn weather lol. im a june baby, i need the heat :D i lived down in key largo florida for 9 years, that was great motorcycle weather.

i just want you guys to know, im NOT a wizz at this, i found all this out purly by trial and error, but, now that i know whats going on, i hope i can be of some help to others that are going thru the same problems as i am.

keep the wheels on the road and between the white lines people.

stuart.

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NKYWinger
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Re: air compresser on an 83 GL1100 aspencade

Postby NKYWinger » Fri Aug 16, 2013 11:19 am

roadwanderer2 wrote:.........nywinger.......if your compresser is working, you should be able to fill the shocks up now since you gave them a shot of high compressed air from a REAL air hose and with the key in the "on" setting, look at you guages, where the water temp usually is, once you press the "compresser" button AND either the front or rear button at the same time, you'll get a digital "readout" and it has in brackets where your front and rear air pressure is at that moment .

Yup - that's what it's SUPPOSED to do, I agree, EXCEPT.....I can run the compressor (holding 'increase' and 'rear' down) for a couple of minutes and the compressor just runs with no increase in shock pressure.
1) The compressor works - it fills the forks just fine.
2) The rear shocks can be filled with shop air.
3) The rear shocks will NOT fill from the onboard compressor.

I just don't know.... (big sigh)
--John--

FTCS(SS) USN Ret.
'83 GL1100 Aspy (SOLD)
'03 GL1800
'08 Lees-ure Lite
GWRRA 339547 KY - 'G'
DS# 1547

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roadwanderer2
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Location: sweetwater, Tennessee
Motorcycle: 83 GL1100A aspencade, previously owned, 1981 honda GL500i silverwing interstate, 1974 yamaha xs400, 1974 Honda cb450 twin cam, 1983 honda vt30, 1982 honda 700 shadow, 1972 cb750four, and my first bike, a brand new 1982 honda CM400e. and a new to me 1986 GL1200 aspencade SEi
Contact:

Re: air compresser on an 83 GL1100 aspencade

Postby roadwanderer2 » Fri Aug 16, 2013 5:36 pm

nkywinger.....when your holding both buttons down, do you see the digital readout on your display pannel?.......the black squares SHOULD move up when your trying to incress the pressure, and go down when your decreesing it......heres what i did and you might get the same results......take the bike to where you can use a REAL shop hose.......take the shraider valve cover off of the compresser, put your key switch on the "run" setting, while your holding the compresser and the rear button to increese the pressure, use the shop hose to put air in it, then take a tire check guage and see how much air you have in it. i have mine set at 60lbs. you have to keep messing with it to get it just right.......your readout display will show the shocks are almost topped out. thats fine, leave it at 60lbs max and dont bother with it anymore unless it somehow deflates on its own, but remember, if your gonna do it this way, make SURE you use a tire pressure guage to get it set.

stuart, a.k.a. roadwanderer2.




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