Cover for hour meter hole

[haydendavid380 759]

From what I gather, a new meter is pretty salty. I want something to fill the gaping hole in my tunnel cover. 

 

On tractors not equipped with a meter ice seen plugs. Is that something that's able to be sourced?

[ebinmaine 72,382]

I've seen them go through our workshop on mid 70s tractors. 

I may even have one on the shelf. I can check later. 

If you're ok with aftermarket they're easy enough to find online in a general form. 

 

Google these:

 

2 inch rubber hole plug. 

 

2 inch solid grommet. 

 

2 inch chrome hole plug. 

 

[KAA 1973 71]

https://www.google.com/search?q=2+1%2F16+gauge+cover&rlz=1C1GCEU_enUS819US819&oq=2+1%2F16+gauge+cover&aqs=chrome.0.0j69i57.13597j0j15&sourceid=chrome&ie=UTF-8

[haydendavid380 759]

4 hours ago, ebinmaine said:

I've seen them go through our workshop on mid 70s tractors. 

I may even have one on the shelf. I can check later. 

If you're ok with aftermarket they're easy enough to find online in a general form. 

 

Google these:

 

2 inch rubber hole plug. 

 

2 inch solid grommet. 

 

2 inch chrome hole plug. 

 

I was looking for a chrome one, but couldn't find one that looked right. Found a black plastic one at wheel horse stables for a couple bucks. Picked up a chrome lug nut conversion while I was there too.

[pacer 3,177]

I like an hour meter! helps me keep track of maintenance (like oil/filter changes, etc) So some 3-4 yrs ago I got one of the - many - shown on the bay for around $15-20, mostly at that time to fill a gaping hole in the dash on one of my D's. Any way its still working with some 100+hrs 0n it. I've since bought several of them and while they ARE flimsy & light weight they do work -- and, fill that hole!

[bds1984 1,498]

Fill it with an hour meter or a tachometer.

[ebinmaine 72,382]

5 minutes ago, bds1984 said:

Fill it with an hour meter or a tachometer.

Or a voltmeter. 

 

 

I know we've had some threads on, here and there, do you have a 2" tachometer that's a plug and play?

[haydendavid380 759]

A tach would be sweet. 

 

Might be able to find something from marine applications 

[ebinmaine 72,382]

1 minute ago, haydendavid380 said:

A tach would be sweet. 

 

Might be able to find something from marine applications 

Definitely has a good amount of cool factor for me.

 

If I remember correctly somebody on this site purchased one from overseas a few years back and modified it slightly to work on a single cylinder Kohler.

 

In all reality it's nearly useless on a small engine except for when you are first tuning it because they run at one of just a couple RPMs 99.9% of the time.

 

If you're pulling any kind of a heavy load or if you are using any sort of ground engagement or snow blower or whatever...

Or if you're running a hydro, these single cylinder colors should ALWAYS be at or a hair below 3,600 RPM.

I most often run mine around 2,800 to 3,000 or so if it's not working hard.

 

I really do enjoy the look of a tachometer so I'd like to find one that is easy to install.

 

I've got three different tractors I'd consider put one in. 

[cleat 7,239]

I put a fuel gauge on my 312 and put a little square hour meter under the hood.

 

[squonk 43,714]

Small engine tach's can be tricky on Kohlers. Most of those tachs run off of spark pulse and a lot of small engine points are run off the crank. While Kohler k's are run off the cam which turns 1/2 the speed of the crank. So the reading on the tach must be multiplied by 2

[ebinmaine 72,382]

11 minutes ago, squonk said:

Small engine tach's can be tricky on Kohlers. Most of those tachs run off of spark pulse and a lot of small engine points are run off the crank. While Kohler k's are run off the cam which turns 1/2 the speed of the crank. So the reading on the tach must be multiplied by 2

How would a regular aftermarket tach work on a Kohler twin with the waste spark ignition?

 

[squonk 43,714]

I bought a hand held tach that had a setting for small engines with waste spark set ups. It would probably work on that. The problem with the K single is there is a revolution with no spark so the tach doesn't see it.

[Handy Don 13,972]

23 minutes ago, ebinmaine said:

How would a regular aftermarket tach work on a Kohler twin with the waste spark ignition?

 

I'd think it depends on where the tach pulse sensor is attached and how the tach is calibrated.

On the 520's that's to one side of the stator so 9 pulses = 1 revolution and there is no external calibration adjustment.

One connected to the coil or off the spark plug wire, would have to count 1 pulse as 2 revolutions (or maybe one if the firings "alternate")

Analogs for general use normally have a calibration adjustment (yeah, you have to know the RPMs to set the calibration--chicken and egg problem ).

The cheap digital ones have calibration settings for the different pulse patterns.

Edited April 20, 2021 by Handy Don

[ebinmaine 72,382]

My K582 has a Harley coil so I wondered if there was a tach that reads off that.  

 

I have a hand-held to set initial RPMs. 

[squonk 43,714]

I would think any tach that reads a pulse every revolution either from the crank or spark will work. The K single with points is EE-NUKE with the fact that there is nothing to trigger the off cycle

[ranger 1,798]

1 hour ago, Handy Don said:

I'd think it depends on where the tach pulse sensor is attached and how the tach is calibrated.

On the 520's that's to one side of the stator so 9 pulses = 1 revolution and there is no external calibration adjustment.

One connected to the coil or off the spark plug wire, would have to count 1 pulse as 2 revolutions (or maybe one if the firings "alternate")

Analogs for general use normally have a calibration adjustment (yeah, you have to know the RPMs to set the calibration--chicken and egg problem ).

The cheap digital ones have calibration settings for the different pulse patterns.

How about the small aftermarket ones for diesel engines they connect to the “W” terminal on the alternator. I think the ones we used to use on Iveco and VW engines picked up the signal? from one of the alternator phases. We used an optical tacho to obtain a set speed, and then adjusted the tacho, (analogue), to match, using a small screwdriver through a hole in the bottom of-the case, (preset pot), these were 2” diameter, V.D.O. Was the make, I think.

Edited April 20, 2021 by ranger

[bds1984 1,498]

4 hours ago, ebinmaine said:

Or a voltmeter. 

 

 

I know we've had some threads on, here and there, do you have a 2" tachometer that's a plug and play?

If the engine is a Kohler with electric start and a fully functioning charging system, I do not see how any of the tachometers from a 520 wouldn't work as long as you have an A/A+ terminal on the voltage regulator.  I haven't had any issue connecting a tach to the three of my machines that are all Kohler powered.

[ebinmaine 72,382]

1 hour ago, bds1984 said:

If the engine is a Kohler with electric start and a fully functioning charging system, I do not see how any of the tachometers from a 520 wouldn't work as long as you have an A/A+ terminal on the voltage regulator.  I haven't had any issue connecting a tach to the three of my machines that are all Kohler powered.

So what tach do you use?

[bds1984 1,498]

The stock tachometer from a 520H is what I use.  People pay way too much for them on ebay when you can find them brand new from marine surplus centers for somewhere around $50.  

[ebinmaine 72,382]

6 hours ago, bds1984 said:

The stock tachometer from a 520H is what I use.  People pay way too much for them on ebay when you can find them brand new from marine surplus centers for somewhere around $50.  

PM sent.