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Al.
Flying Brick Rider
Joined: 28 Oct 2005
Posts: 397
Location: West of Ireland
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 Posted: Wed Aug 04, 2010 4:29 pm Post subject: That fan again |
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I had a search but......
Fan is acting up.
I noticed that when the needle goes into the red it jumps at about the point when the fan would hvae cut in.
I am guessing therefore the power in being sought but the fan is not turning?? So fault is the fan ??
Can it be removed with radiator in position.
I know that many manuals say to strip out to get at stuff but
'regulars' have short cuts to avoid big jobs.
Can you replace brushes?? Has it got brushes?? |
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Jim
Site Admin
Joined: 17 May 2003
Posts: 3841
Location: WHERETHEFUNNEVERENDS
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| Posted: Wed Aug 04, 2010 5:07 pm Post subject: Re: That fan again |
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| Al. wrote: | I had a search but......
Fan is acting up.
I noticed that when the needle goes into the red it jumps at about the point when the fan would hvae cut in.
I am guessing therefore the power in being sought but the fan is not turning?? So fault is the fan ??
Can it be removed with radiator in position.
I know that many manuals say to strip out to get at stuff but
'regulars' have short cuts to avoid big jobs.
Can you replace brushes?? Has it got brushes?? |
What has to be removed depends on whether you have an RS or LT - which information you haven't bothered to put in your sig yet... Remember, questions about your bike are easier to answer if we know which model you have, the year, and the approximate mileage.
Yes, the fan motors have brushes, and yes, they can be replaced...
_________________
Jim
1997 K1100LTSE 94,000 - still has gremlins!
1995 R100RT Classic 16,650 crashed - repaired!
1992 K75RTP 46,000
"We shall not all die, but we shall all be changed." |
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dwerbil
Flying Brick Rider
Joined: 18 Jun 2010
Posts: 224
Location: Round Rock, Tx
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| Posted: Wed Aug 04, 2010 5:14 pm Post subject: |
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I replaced my ill-working fan with a good used one. The steps on the RS required dropping the lower fairing, draining then pulling the radiator, then the old fan. Since this was my first K bike, having bought it a week earlier, this couple hour procedure was a good time to 'look inside the beast' to give things a visual. Was able to check a lot of connections for integrity, hoses, etc.
This was back in the first of June. It works like a charm in this horrid Texas heat.
No worries.
_________________
93 K1100RS ~ 2004 R1150RT ~ 84 RS ~ 78 R100/7 ~ 65 R60/2
Click for pics
Randy at Round Rock, Texas |
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Flying Duck
PsyKotic Waterfowl
Joined: 27 Jan 2005
Posts: 10102
Location: Bumf***, WA
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| Posted: Wed Aug 04, 2010 5:32 pm Post subject: Re: That fan again |
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| Al. wrote: | I noticed that when the needle goes into the red it jumps at about the point when the fan would hvae cut in.
I am guessing therefore the power in being sought but the fan is not turning?? So fault is the fan ?? |
Do you have an English version of this? 
_________________
93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE |
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Al.
Flying Brick Rider
Joined: 28 Oct 2005
Posts: 397
Location: West of Ireland
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| Posted: Wed Aug 04, 2010 8:17 pm Post subject: |
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| It is a K100LTSE ! |
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michaelcurrin
Flying Brick Rider
Joined: 01 Jun 2003
Posts: 329
Location: eastern NC
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| Posted: Thu Aug 05, 2010 8:51 am Post subject: |
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| Quote: | Can it be removed with radiator in position.
I know that many manuals say to strip out to get at stuff but
'regulars' have short cuts to avoid big jobs.
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It can be done, but its a lot harder. I had to do it from the back since I have a sidecar support running in front of the radiator. I got the old one out, and replaced it with a slightly smaller aftermarket fan from Summit Racing. I doubt I could have got a stock one back in. Either way it was an all day job.
Its not that hard to get the radiator out on a stock bike.
Mike
_________________
Mike Currin
20 BMW R1250RS
93 BMW K1100RS / EML Speed 2000
06 Ducati ST3
67 Triumph 650 chopper |
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Al.
Flying Brick Rider
Joined: 28 Oct 2005
Posts: 397
Location: West of Ireland
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| Posted: Thu Aug 05, 2010 5:10 pm Post subject: Re: That fan again |
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| Flying Duck wrote: | | Al. wrote: | I noticed that when the needle goes into the red it jumps at about the point when the fan would hvae cut in.
I am guessing therefore the power in being sought but the fan is not turning?? So fault is the fan ?? |
Do you have an English version of this? |
Should have read -
So fault is in the fan ??
As you asked for English version - I posted a reply with some Irish, but somebody didn't like it ! |
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Flying Duck
PsyKotic Waterfowl
Joined: 27 Jan 2005
Posts: 10102
Location: Bumf***, WA
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| Posted: Thu Aug 05, 2010 5:33 pm Post subject: |
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I honestly can't figure out what any of your sentences mean.
The fan not coming on can be caused by many things:
1) Bad fan
2) Bad wiring/connection somewhere
3) Bad fan relay
4) Bad fuse
5) Bad Motronic (highly unlikely)
6) Bad temp sensor
_________________
93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE |
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Ernie-NH
Flying Brick Rider
Joined: 14 Oct 2009
Posts: 982
Location: Bristol, New Hampshire
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| Posted: Fri Aug 06, 2010 7:28 am Post subject: |
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Good morning Al...
You know... it would be NICE to know where you are and WHAT you ride ( include in signature line please ) . Any hopes that you can do this for us ??
Thanks and good luck with the fan !
Regards..........// Ernie-NH
_________________
AMA,, American Deaf Bikers
Airhead Beemers Club
'11 G650gs
'95 K1100LT
'76 R100/7 |
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CrazyIvan
Brick Rider
Joined: 15 Jan 2009
Posts: 27
Location: Wiltshire, UK
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| Posted: Fri Aug 06, 2010 7:38 am Post subject: |
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| Flying Duck wrote: | I honestly can't figure out what any of your sentences mean.
The fan not coming on can be caused by many things:
1) Bad fan
2) Bad wiring/connection somewhere
3) Bad fan relay
4) Bad fuse
5) Bad Motronic (highly unlikely)
6) Bad temp sensor |
And of course it not being hot enough to require it! |
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Al.
Flying Brick Rider
Joined: 28 Oct 2005
Posts: 397
Location: West of Ireland
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| Posted: Sat Aug 07, 2010 5:03 pm Post subject: K1100 LTSE 1994 |
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| Ernie-NH wrote: |
Good morning Al...
You know... it would be NICE to know where you are and WHAT you ride ( include in signature line please ) . Any hopes that you can do this for us ??
Thanks and good luck with the fan !
Regards..........// Ernie-NH |
Ernie, I did say a few posts ago it is a K1100LTSE.
I'm in west of Ireland - Limerick city. |
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rbm
Mad Brick Rider
Joined: 02 Jun 2009
Posts: 115
Location: Toronto
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| Posted: Sat Aug 07, 2010 7:41 pm Post subject: Re: That fan again |
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| Al. wrote: | | Can you replace brushes?? Has it got brushes?? |
Yes, it is possible to refurbish the motor and replace the brushes. This is a technical writeup on how to do this:
http://k-technik.pytalhost.com/pdf/attachment.pdf
Problem for you is that the text is in German. Use translate.google.com for assitance in getting an English like version.
UPDATE: I found another link to a tutorial on refurbishing a K-bike fan...this one in English and better illustrated.
http://k100rt.aforumfree.com/tutorial-f17/refurbishing-the-fan-t1326.htm
However, it is probably better to purchase a new motor from Euro Motoelectrics in the US or Motobins in the UK.
Cheers,
_________________
- Robert
1987 K75 @k75retro.blogspot.ca
2011 Moto Guzzi V7 Racer
Last edited by rbm on Sun Aug 08, 2010 11:01 pm; edited 2 times in total |
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Ernie-NH
Flying Brick Rider
Joined: 14 Oct 2009
Posts: 982
Location: Bristol, New Hampshire
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| Posted: Sun Aug 08, 2010 8:45 pm Post subject: |
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Hi Al...
Re: ""Ernie, I did say a few posts ago it is a K1100LTSE.
I'm in west of Ireland - Limerick city.""
Yes... I got that, BUT its just kinda nice to have your K-Model, Year, MC 'affiliations' in your signature line, and your actual location noted under the avatar. Picky ??? I know! Anal retentive ? YES ! ...but we just kinda like it that way, and its so easy to do.
Good luck with the fan situation, it IS repairable !
Regards..........// Ernie-NH
_________________
AMA,, American Deaf Bikers
Airhead Beemers Club
'11 G650gs
'95 K1100LT
'76 R100/7 |
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Al.
Flying Brick Rider
Joined: 28 Oct 2005
Posts: 397
Location: West of Ireland
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| Posted: Mon Aug 09, 2010 12:39 pm Post subject: |
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| Flying Duck wrote: | I honestly can't figure out what any of your sentences mean.
The fan not coming on can be caused by many things:
1) Bad fan
2) Bad wiring/connection somewhere
3) Bad fan relay
4) Bad fuse
5) Bad Motronic (highly unlikely)
6) Bad temp sensor |
Well - apologies for obscure text.
What I meant was - when the needle on the gauge reaches the red line normally the fan cuts in . Now when the needle reaches that point the fan does not cut in.
What I noticed was that, when the needle reached "that point" the needle jumps, to me this probably means that the power is being sent to the fan but the fan is not turning.
I assume then, that temp sensor and relay are working, and the fault is in the fan. Discuss ! ! !
English is a strange language - well the Irish version is.
Last edited by Al. on Mon Aug 09, 2010 12:45 pm; edited 1 time in total |
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Al.
Flying Brick Rider
Joined: 28 Oct 2005
Posts: 397
Location: West of Ireland
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| Posted: Mon Aug 09, 2010 12:43 pm Post subject: Re: That fan again |
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| rbm wrote: | | Al. wrote: | | Can you replace brushes?? Has it got brushes?? |
Yes, it is possible to refurbish the motor and replace the brushes. This is a technical writeup on how to do this:
http://k-technik.pytalhost.com/pdf/attachment.pdf
Problem for you is that the text is in German. Use translate.google.com for assitance in getting an English like version.
UPDATE: I found another link to a tutorial on refurbishing a K-bike fan...this one in English and better illustrated.
http://k100rt.aforumfree.com/tutorial-f17/refurbishing-the-fan-t1326.htm
However, it is probably better to purchase a new motor from Euro Motoelectrics in the US or Motobins in the UK.
Cheers, |
Will look those up. They tell me in Motorworks that brushes are not available. I know in the past brushes can be got in general factors if you have the old ones.
Thanks for help.
I said - dam and other less polite word and ordered a new fan £75 in round figures. |
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Al.
Flying Brick Rider
Joined: 28 Oct 2005
Posts: 397
Location: West of Ireland
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| Posted: Fri Aug 13, 2010 5:59 pm Post subject: |
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Well the radiator had a shower this evening and is presently reclining in the bath. An overnight soak will ease out the rubbish.
After all that .......................... the connector for the fan under the tank is corroded. It's difficult to clean the socket side, which is on the bike.
If it were the other way round it would be much easier to maintain.
Mr BMW please ...........................
Wonder why they don't put some sort of grease on connectors likely to corrode.
Of course not sure if that would have been the problem. Fan was running intermittently so it's not certain. It runs on the kitchen table ok.
The new fan will go in now.
Thanks guys anyway. |
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hockeyshifter
Flying Brick Rider
Joined: 01 Jan 2006
Posts: 177
Location: harpers ferry WVa.
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| Posted: Sat Aug 14, 2010 7:30 pm Post subject: |
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The FAN issues just won't go away.. my question to the BoardBrick Members is this why fix a poor preformance cooling fan when you can replace it with a high preformance after market. http://www.amazon.com/High-Performance-Electric-Radiator-Cooling/dp/B0038ZJIVG
i do not know how big the fan is for the Bricks but the high volume of the after market has got to be better..
i had to RIP OFF a hard mounter engine fan from a NISSAN Pick-up truck i
insatlled a single electric cooling fan with a temp switch stuck into the core and dialed at 175 degrees. i was had pressed to keep the engine warm the fan was too efficent.. i had to dial back the temp 200 degrees and even then the fan only stayed on for 3 min at a time in stop and go traffic and the A/C was so cold i could get beer to freeze while parked in the sun...
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fix the problem not the blame ; fix what is messed up ; NO one is to blame. |
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Al.
Flying Brick Rider
Joined: 28 Oct 2005
Posts: 397
Location: West of Ireland
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| Posted: Mon Aug 23, 2010 6:19 pm Post subject: |
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Well back on the road.
Fan working well and engine running a little cooler.
Cools much quicker when fan cuts in.
Some amount of muck came off fins. Inside was clean.
I made mistake of taking brake line off bracket in fromt of rad.
It was some job to get it back on. Next time I will unbolt bracket.
Thanks again for advice. |
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Al.
Flying Brick Rider
Joined: 28 Oct 2005
Posts: 397
Location: West of Ireland
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| Posted: Thu Sep 02, 2010 8:16 pm Post subject: |
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I did about 500 miles last weekend.
Temp much lower, fan not cuttting in as often.
Amazing what a clean radiator will do! ! !  |
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