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More on the backwards hour meter

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board_maker

01-03-2006 07:38:20

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Regarding the 4600 SU with the hour meter running in reverse.

The tractor is actually a 4600 SU. There are no numbers on the tach at all. I assume they were removed. The tach starts at upper right and goes clockwise from there as revs increase. I am away from the tractor right now or I would check on the location of the cables and post an update. Is there anything else I should look for?

I suspect that I have the wrong assembly for the tractor. Also, I don"t know if this helps or not, but the fuel and voltage meters do not work either. It is a really strong tractor with no smoke and a strong lift. It"d be really nice to have everything working.

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PaulNJ

01-17-2006 17:01:32

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Re: More on the backwards hour meter in reply to board_maker, 01-03-2006 07:38:20

Board_Maker,

If that dash panel is in decent shape I may be interested if you wanted to sell it? I have a 1973 4500 that needs a legible dash.

Thanks,
paul

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sotxbill

01-03-2006 16:52:51

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Re: More on the backwards hour meter in reply to board_maker, 01-03-2006 07:38:20

there are two panels...the older runs off of the back of the generator and the needle runs clockwise.. from about the 3 oclock postion to the 9 oclock position... and you only see the bottom half of the circle on the tach..

the newer one runs off of the side of the engine from the cam shaft just below the spin-on oil filter.. and the meter goes counter clockwise. this panel usually had 4 idiot lights as well as the fuel and heat guages... this model had a alternator instead of a generator so the tach had to be ran off the engine block. hope this helps..

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board_maker

01-03-2006 15:25:56

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Re: More on the backwards hour meter in reply to board_maker, 01-03-2006 07:38:20

Rod,

Thanks for your help. I erred in my original description of tach 'behavior'. The tach starts at 9 o'clock and moves counterclockwise. I don't know how I got that mixed up. Rest assured, however, that the hour meter does indeed run backwards.

I found the hole you were talking about. It does have the 1/2" head bolt with a cable running to the top. I can't tell if it is pressed in or screwed in.

The oil filter is a screw in.

The hydraulic filter is under the left footboard.

There are 2 idiot lights and 2 gauges (fuel and voltage, neither works).

So, can I assume that I have the wrong dash given I only have 2 idiot lights? Is it possible to make this hour meter work with this configuration?

Thanks for your help.

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soundguy

01-03-2006 10:43:46

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Re: More on the backwards hour meter in reply to board_maker, 01-03-2006 07:38:20

You mention that the genny lamp in the dash is on...Is the system charging?

As others have said.. i suspect you have the wrong dash..

Soundguy

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RodInNS

01-03-2006 09:31:00

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Re: More on the backwards hour meter in reply to board_maker, 01-03-2006 07:38:20

There are 3 more things that I would look for. On the left hand side of the engine, look below the oil filter. You will see a hole with a plug, about 2" or so in diameter, lying just below horizontal. This hole was used for the tach angle drive. See if there is and angle drive (raised above the block with a 1/2" head bolt in the center), or a pressed in type frost plug, or a threaded in type plug in this hole.
2. Look at the oil filter itself, in regards as to whether it is a spin on or th eold canister type.
3. Look below the left footboard, and see if there's a hydraulic filter under there.
From what you've described so far, your tractor has the generator tach drive system which turns the tach in a clockwise direction. This was used on the thousand series from 1965-1975. The "600" series, that was introduced in 1976 was updated to an alternator, and the tach drive was relocated to the lower part of the block, as I've described above. This drive system will turn the tach in a counterclockwise direction. You could also let us know how many idiot lights there are in the cluster. The early ones had 2, and later ones, like a 4600 should have 4. Although they may not all work, the lens should still be in the cluster. Let us know what you turn up.....

Rod

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board_maker

01-03-2006 15:27:52

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Re: More on the backwards hour meter in reply to RodInNS, 01-03-2006 09:31:00

Rod, Thanks for your help. I erred in my original description of tach 'behavior'. The tach starts at 9 o'clock and moves counterclockwise. I don't know how I got that mixed up. Rest assured, however, that the hour meter does indeed run backwards.

I found the hole you were talking about. It does have the 1/2" head bolt with a cable running to the top. I can't tell if it is pressed in or screwed in.

The oil filter is a screw in.

The hydraulic filter is under the left footboard.

There are 2 idiot lights and 2 gauges (fuel and voltage, neither works).

So, can I assume that I have the wrong dash given I only have 2 idiot lights? Is it possible to make this hour meter work with this configuration?

Thanks for your help.

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RodInNS

01-03-2006 17:16:21

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Re: More on the backwards hour meter in reply to board_maker, 01-03-2006 15:27:52

Ok, now I'm convinced that you have a 4600. The tach rotation was what was throwing me. It seems that you have the old instrument cluster from a thousand series tractor. Like I said from my first post, you could make that cluster work by installing the generator with tach drive, but that's like taking a bullet to the foot..... The best solution is to buy a new instrument cluster for a 4600. Fixing the problem may be as simple as that. Once you do that, you'll know what the status of the senders is for the gauges. I'd bet that everything is OK, or at most a broken wire somewhere. Then everything will be operational, as it should be. Good luck.

Rod

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board_maker

01-03-2006 17:46:58

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Re: More on the backwards hour meter in reply to RodInNS, 01-03-2006 17:16:21

Thanks Rod.

I'll start looking for an instrument cluster.

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board_maker

01-04-2006 11:27:28

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Re: More on the backwards hour meter in reply to Hurley J. D., 01-04-2006 08:28:26

You are correct JD. I have been saying voltage all along, but in reality it is temperature. In a different post I also corrected the direction of the tach. It does start at 9 and moves counter clockwise. It seems to me that if the tach is moving in the correct direction that the hour meter should be running forward. Any ideas?

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