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Bobcat  > Skid Steers  > 873F no gauges  
 
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 Author Thread: 873F no gauges
Mikefromcny is not online. Last active: 4/3/2014 9:03:01 PM Mikefromcny
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873F no gauges
Posted: 10/13/2012 02:43 PM
Hi everyone, As I try to get things squared away, I cant seem to lick these gauges, (analog) ones. The back light does work in them when lights are turned on. hour meter does work though. What I've done so far.. Lifted cab, removed and cleaned ground wire and reinstalled. Pulled dash, checked connections on everything. Checked fuses, nothing blown. Whats next?

1998 873F, 1978 M-610 Previous Machines: 1985 743 1983 NH L455 1972 JD 70
Tazza is not online. Last active: 4/16/2014 7:17:14 PM Tazza
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Re: 873F no gauges
Posted: 10/14/2012 08:27 PM
WHat happens if you ground the sender wire? I assume you are talking about left panel, temperature and fuel level?

Bobcat 763 burntSadbut i'm working on it!, 04 S150 with air and a smooshed cab, S250 turbo.
Mikefromcny is not online. Last active: 4/3/2014 9:03:01 PM Mikefromcny
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Re: 873F no gauges
Posted: 10/15/2012 03:57 PM
Thanks tazza, In mine they are in the upper right corner. Havent tried grounding the sender wire yet, gauge will go to "full" right? Voltmeter, hydraulic temp and fuel gauge havent moved since I bought it, Almost seems like a power issue since the volt meter wont even work. The hour meter does however and its in the same panel.

1998 873F, 1978 M-610 Previous Machines: 1985 743 1983 NH L455 1972 JD 70
Tazza is not online. Last active: 4/16/2014 7:17:14 PM Tazza
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Re: 873F no gauges
Posted: 10/15/2012 05:44 PM

It does sound like a power issue.

Yours may be an older style than i'm thinking of. They started with round gauges, fuel, temp, voltage. At least you can replace the gauge if it goes bad. If this is the style, you can remove the panel and have access to the gauge.

If you short the sense wire to ground it should read full. NEVER touch it to power though, you will fry the gauge.

I actually wired my gauges in my 743 in parallel. Power in went to all 3 gauges, the sense wires went to the senders, they have worked great ever since. Check that your gauges are all getting +12v, if they are and grounding the sense wire does nothing, the gauges are bad.


Bobcat 763 burntSadbut i'm working on it!, 04 S150 with air and a smooshed cab, S250 turbo.
Mikefromcny is not online. Last active: 4/3/2014 9:03:01 PM Mikefromcny
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Re: 873F no gauges
Posted: 12/23/2012 06:43 PM
Finally had some time to mess with the 873. Voltmeter is dead, oil temp sending unit is dead and I probably need a fuel level sending unit, will lift the cab tomorrow and double check. Hopefully bobcat doesn't want a downpayment on these..

1998 873F, 1978 M-610 Previous Machines: 1985 743 1983 NH L455 1972 JD 70
Mikefromcny is not online. Last active: 4/3/2014 9:03:01 PM Mikefromcny
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Re: 873F no gauges
Posted: 12/23/2012 06:48 PM
Looking at my manual, can I get at the fuel sender with the engine in the machine? looks like fun...

1998 873F, 1978 M-610 Previous Machines: 1985 743 1983 NH L455 1972 JD 70
Tazza is not online. Last active: 4/16/2014 7:17:14 PM Tazza
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Re: 873F no gauges
Posted: 12/25/2012 05:26 AM
It is in a tight spot, don't bend the new one or you will have to stuffed ones. Hopefully you can get it in without pulling the engine.

Bobcat 763 burntSadbut i'm working on it!, 04 S150 with air and a smooshed cab, S250 turbo.
Mikefromcny is not online. Last active: 4/3/2014 9:03:01 PM Mikefromcny
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Re: 873F no gauges
Posted: 12/25/2012 11:57 AM
Had some success yesterday. The access hole behind the loader arm thats covered by a grey plate allowed me and my long arms to reach in there and grab it. I used a can of brake cleaner and a 4' blowgun to clean around the area first. The sender was hand tight and the wire wasnt plugged in to it. Once I yanked the sender out (it was hand tight) I realized someones been in there and broke the float off the thing. It looks like the case drain lines will have to come off to properly install the new sender. Can the case drain filters on these be cleaned or blown out? They look like an aluminum can.

1998 873F, 1978 M-610 Previous Machines: 1985 743 1983 NH L455 1972 JD 70
Tazza is not online. Last active: 4/16/2014 7:17:14 PM Tazza
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Re: 873F no gauges
Posted: 12/26/2012 02:09 AM
I have pulled them and cleaned them before. Cheaper than new ones.

Bobcat 763 burntSadbut i'm working on it!, 04 S150 with air and a smooshed cab, S250 turbo.
donald73d is not online. Last active: 3/18/2014 8:08:52 PM donald73d
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Re: 873F no gauges
Posted: 12/26/2012 02:25 PM
On my 843, the voltmeter had sawdust in it and the needle worked but only to 12V. Pulled the gauge and turned it upside down and it was like a Christmas globe. I replaced all 3 gauges since if one had sawdust the others were not far behind.

Bobcat 843 IBM retired Where every day is Saturday and every night is Friday night.
Mikefromcny is not online. Last active: 4/3/2014 9:03:01 PM Mikefromcny
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Re: 873F no gauges
Posted: 12/26/2012 08:17 PM
I pulled the voltmeter gauge apart. It looked like new inside and out. I put power to it from a few different sources and nothing moved. I was faked out since none of the gauges worked when I bought it and figured chances were good it was a power issue since all 3 didnt work. I called the 2nd closest dealer, reasonable prices and mom n' pop operation. The very close dealer is subtantially higher in price. The voltmeter was $18, the oil temp sender for the engine was $63 (ouch) and the fuel tank sender was only $62. They should be here tomorow via UPS since we're in the middle of a nasty snow storm. What a luxury it will be running the 873 and not hoping every things okay.

1998 873F, 1978 M-610 Previous Machines: 1985 743 1983 NH L455 1972 JD 70
donald73d is not online. Last active: 3/18/2014 8:08:52 PM donald73d
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Re: 873F no gauges
Posted: 12/27/2012 06:47 AM
In my case when I first got the machine, I could see the voltmeter jump up from off to 12V when key was turned to on. But then it did not jump up to 14V with engine running. Unfortunately at that time my machine would creep and I could not get out with machine running, so I could not measure it with my DVM. I brought the alternator to two shops and had them test it as I was certain it was a charging problem. It checked out fine both times. Finally with someone in the machine, I used the DVM to check things and realized the voltmeter was playing games. For me the voltmeter was the least important, the temp gauge the most. So I replaced all 3. Then the fuel sender. I would also suggest replacing the bulbs for oil pressure and hydraulic pressure warning lights. Mine did not work when the key was turned to ON, and I did not know they should. One of the hydraulic pressure switches has two sets of contacts and the other has a single set. So one is more expensive. I have replaced both of them also. One pressure switch powers the hour meter.

Bobcat 843 IBM retired Where every day is Saturday and every night is Friday night.
Mikefromcny is not online. Last active: 4/3/2014 9:03:01 PM Mikefromcny
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Re: 873F no gauges
Posted: 12/28/2012 05:47 PM
$160 later and everythings good! Now I can be out plowing snow, not wondering how much fuel is actually in it, the engine isnt running too hot and its still charging. I figured it must be an electrical issue since none of the gauges worked.

1998 873F, 1978 M-610 Previous Machines: 1985 743 1983 NH L455 1972 JD 70
mahans7 is not online. Last active: 2/1/2013 11:12:55 PM mahans7
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Re: 873F no gauges
Posted: 12/28/2012 11:22 PM
Mike, not too bad for the price. And now you have peace of mind. Nice.

Bobcat 743 with 909 Backhoe. M7
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