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looking for a service manual for an old Hunter align machine

mrholmquist

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Aug 25, 2015
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Recently bought an old Hunter G111 alignment machine in perfect working order. Its old but functional. Came with a calibration bar but I have no instructions as to the actual procedure. Would like to be able to do calibration myself rather than call a service rep from Hunter each time. Hunter no longer supports this machine for spare parts but the service rep told me that there is lots of used stuff out there and I didn't pay much for the machine anyway. I have downloaded an operators manual for a H111 machine which is similar but it includes no calibrating info or procedure. I would be interested in any and all information anyone would have on this machine. If I could get my hands on a service manual for this machine that would be great but I think that only Hunter people would have that.


Really at this point interested in knowing the calibration procedure for this machine so I can calibrate it when the time comes. I have done a handful of alignments with this machine and it seems to be spot on for now. I even put the same car on it a second time to see if the numbers would come out the same the second time which they did.
 
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Milton Shaw

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Feb 11, 2011
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I have a G111 also and Hunter's calibration fixture and an additional circuit board was required to be calibrated . The fixture requires you to remove the heads from the wheel adapters and mount each head and connect the strings between heads to set toe and turn angle. I don't know what kind of calibration bar you have but don't think it works with that G111. I started alignment nearly 5 years ago with a John Beam alignment machine that did have a alignment bar that had mirrors on both ends and set up between the stationary heads in the alignment pit. It let you adjust camber and toe if one of the heads was damaged. That machine the wheel adapters had three mirrors that the heads used to measure the readings.
 
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mrholmquist

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Aug 25, 2015
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Have you tried emailing Hunter? They could possibly send you one or send a PDF file to your email.


I contacted hunter and they did in fact send me a service manual in pdf form.
Those hunter people are tops in my books. Thank you for the suggestion, I would not have thought to do that. I looked through the manual and it contains invaluable information regarding all aspects of diagnosing faults but the manual is limited to the console itself and does not mention calibrating the heads. it would seem there is a second manual which covers the heads I will email them again and hopefully I can get my hands on that one as well. I will let you know how I make out.
 
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mrholmquist

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Aug 25, 2015
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I have a G111 also and Hunter's calibration fixture and an additional circuit board was required to be calibrated . The fixture requires you to remove the heads from the wheel adapters and mount each head and connect the strings between heads to set toe and turn angle. I don't know what kind of calibration bar you have but don't think it works with that G111. I started alignment nearly 5 years ago with a John Beam alignment machine that did have a alignment bar that had mirrors on both ends and set up between the stationary heads in the alignment pit. It let you adjust camber and toe if one of the heads was damaged. That machine the wheel adapters had three mirrors that the heads used to measure the readings.

There is a circuit board in the bottom of the machine I had no idea what it was for but perhaps this is the board you are talking about. Do you have any literature as far as the calibration procedure which you could forward to me?
Is this circuit board to be installed in the console during calibration ?

Also my machine does not use strings, from what I have read some of the g111 machines used strings but not all. mine does not.

I have done several alignments with this machine already and it seems to be calibrated fine right now . I even reversed the heads front to back to see if the readings I got were repeatable. The numbers were almost spot on. I would just like to have the ability to calibrate this thing when the future need arises.

would it be possible for you to post photos of your calibration bar and maybe the circuit board?

Thanks Mike
 
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mrholmquist

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Aug 25, 2015
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mrholmquist

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Well Emailed hunter again and they sent me the manual covering the heads, actually they sent me the manual covering both style heads, with and without strings. Adding that to the manual for the console they sent earlier I've got it covered. The literature is quite in depth and even breaks down each board to components with chip numbers, resistor values etc. It is conceivable that if I have an issue with a board in this machine I could probably repair it. Thanks for the help guys.
 
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lanman73

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Jan 6, 2016
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Well Emailed hunter again and they sent me the manual covering the heads, actually they sent me the manual covering both style heads, with and without strings. Adding that to the manual for the console they sent earlier I've got it covered. The literature is quite in depth and even breaks down each board to components with chip numbers, resistor values etc. It is conceivable that if I have an issue with a board in this machine I could probably repair it. Thanks for the help guys.

mrholmquist... I'd be interested in a copy of the PDFs that Hunter sent you. I contacted them but they haven't responded and its been a couple of weeks.
 

Milton Shaw

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Feb 11, 2011
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I don't have the calibration fixture and board. I had Hunter come out and calibrate mine, the rep had the fixture and board and went through the adjustment while I watched. I bought the G111 because the shop I was using for alignments the techs were not sharp enough to realize someone had dropped a head. They aligning cars over 1 1/2 degrees off on camber on rt front wheel. Toe in was just about as bad. When I was an alignment tech if the tire wear did not match the tire wear by the second car that was the same I had the shop get the Hunter repairman out. Now days they just have blind faith in the machine that it is right. They have since replaced their machine with a Hunter laser that requires a lot less work to set up and heads are a lot lighter and don't fall off the wheels as easily.
 

mcountryman

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Aug 1, 2017
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Hi, this is Mike. New here but see you have had good luck getting service info for old Hunter alignment machine. I recently fell victim to an Ebay sale of a Hunter G111 that was to me as operating properly and I paid 300.00 alone to have shipped so looks like I am stuck with the machine. The machine would not power on to a screen and found the power connector melted and repaired so now turns on with a screen but get a floppy disk error. Got a new floppy disk and still get the same error so I am stuck and could really benefit from all info available to help me troubleshot it. I expected to maybe at most need to calibrate it but looks like is going to be way more than that. I did contact Hunter over a week ago and no go with them. Zero help. Guess they want me to buy a new machine. Anyways any help would be most appreciated. Thanks, Mike
 
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I know this is an old thread but,
I am in the process of restoring an old Hunter G111 alignment machine and am having some hiccups with some of the hardware and software, does anybody have a service manual they would share with me?
I have tried contacting Hunter several times and they will either not respond or tell me they don't offer manuals call the service tech.
Kind of crummy they won't share an outdated manual with a consumer.
 

JONROSALES2004

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Apr 18, 2023
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Well Emailed hunter again and they sent me the manual covering the heads, actually they sent me the manual covering both style heads, with and without strings. Adding that to the manual for the console they sent earlier I've got it covered. The literature is quite in depth and even breaks down each board to components with chip numbers, resistor values etc. It is conceivable that if I have an issue with a board in this machine I could probably repair it. Thanks for the help guys.
Hi @mrholmquist , I'm trying to find manuals for the G111 and have had no luck. Would you be able to share with me the ones you got from Hunter if you still have them available? Thank you in advance
 
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Oct 5, 2023
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Hi mr holmquist ,
I have an old G111. I took it for calibration to ProAlign in UK. They have the calibration fixture, but not the calibration circuit board so couldn't do it. They were going to ask Hunter, but no response yet. Do you have the part number or can we discuss purchase/loan/reproduction of this board? Many thanks.
 
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