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Murray 18 HP 4-speed

murray gt murray 18/42 tractor

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#16 KennyP ONLINE  

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Posted August 16, 2017 - 07:34 AM

Got the wiring ready for a switch. Starter will be here today!

 

Wiring sorted out

Ignition switch

Starter (on order, be here next week)

Seat

2 tubes for the back tires (swapped tires for now)

Maybe a bigger pulley at the engine (speed it up some, after all, it's a 'junk yard dog')


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#17 KennyP ONLINE  

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Posted August 16, 2017 - 08:51 AM

I'm out this morning to pull the flywheel so I can get the starter off. One of B&S great solutions, put one bolt under the flywheel.

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Had to break out the big guns as this thing hasn't popped loose yet! May have to try some heat, but I hate that as it may loosen the magnets.

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And just to document the engine #s: 460777-1276-01  9702105A

This engine is 20 years old and probably the first time the flywheel has to come off.


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#18 KennyP ONLINE  

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Posted August 16, 2017 - 09:33 AM

:dancingbanana: Success!

I went back out and tightened the puller bolt another 1/16 turn. Grabbed the 4 lb. hammer and it popped loose on the second 'love tap'. Starter upper bushing is bad, that's the one you have to spend $55 to get (+shipping).

DSCN3211.JPG     DSCN3212.JPG

DSCN3213.JPG     DSCN3214.JPG

 

I cleaned between the magnets with a small screwdriver and blew the debris out. Also blew out the area under the flywheel. I'm waiting for the starter now. Should show before noon.


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#19 KennyP ONLINE  

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Posted August 16, 2017 - 10:19 AM

Got the new starter!

DSCN3215.JPG

 

It's a half inch longer than the old one.

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Back on the engine and flywheel is installed.

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A little tight to the bottom tin, but fits.

DSCN3218.JPG

 

Now to put it together and give it a whirl! This will be the first time running on the under seat tank, too.


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#20 KennyP ONLINE  

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Posted August 16, 2017 - 03:38 PM

Got it going! Drove it around some more! I need to check the rear end grease amongst other things! Got the battery hold down installed. I sprayed it with flex-seal.

DSCN3219.JPG

 

Here's the list:

Wiring sorted out

Ignition switch

Starter (on order, be here next week)

Seat

2 tubes for the back tires (swapped tires for now)

Maybe a bigger pulley at the engine (speed it up some, after all, it's a 'junk yard dog')

 

Got a seat coming. Put a temp on for now. I will see about a 4" OD pulley for driving it. They are made for 5L belts and this is 4L, so should up the speed some, but not far! Really only a 3.5" compared to the 2.625" it has now.

 


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#21 KennyP ONLINE  

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Posted August 17, 2017 - 10:48 AM

I found a pulley for Murray! All this time, I thought this had a bigger hole in the middle, but it is for a 1" shaft. That should be what the 20 HP shaft is. I'll find out real soon!

 

DSCN3220.JPG     DSCN3221.JPG

 

This is a 4" pulley, but for 5/8 & 1/2" belts. OD of the 1/2" belt around it is right at 3.5", which is what I wanted to try (about 1" bigger than what's there).


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#22 KennyP ONLINE  

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Posted August 17, 2017 - 12:25 PM

I got the pulley on, but need a longer belt now! :wallbanging:



#23 KennyP ONLINE  

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Posted August 17, 2017 - 04:47 PM

I'm liking the lift/stand for working under the tractors. Just the right height to give me room to work.

DSCN3222.JPG

 

Cleaned up some of the wiring. Got the AMP gauge wired in.

DSCN3223.JPG


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#24 tiretrx OFFLINE  

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Posted August 18, 2017 - 08:46 AM

Good progress, Kenny :thumbs:


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#25 KennyP ONLINE  

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Posted August 19, 2017 - 11:46 AM

:dancingbanana: Got the ignition switch and a 2" longer belt this morning. Switch was a 'plug & play', works like it should. Even shows a charge! Put the belt on and it now runs at GT speed, if not a tad faster. The mailman dropped a package from member larrybl. Murray now has a decent seat! It's just a foam seat with a small tear in it. I'm gluing the tear up with black weatherstripping glue. Then I'll clean it and pretty it up some.

DSCN3224.JPG     DSCN3225.JPG

 

Now I can start on the JD engine swap!


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#26 Greasy6020 OFFLINE  

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Posted September 07, 2017 - 10:23 PM

Got the short link installed, giving me a length for the choke cable. Trimmed things and put some 1/4" shrink wrap over the flex part.
DSCN3199.JPG DSCN3200.JPG
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Choke in open position.
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Choke closed.
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I found this at Atwoods Farm supply. Used it to lube the new cables.
DSCN3204.JPG

Now on to the other things it needs:
Wiring sorted out
Ignition switch
Starter (on order, be here next week)
Seat
2 tubes for the back tires (swapped tires for now)
Maybe a bigger pulley at the engine (speed it up some, after all, it's a 'junk yard dog')


Come now Kenny, if you're gonna make it faster you will need to make it louder...

I suggest a sawzall precision engineered custom exhaust😝

After all, loud pipes save lives
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#27 KennyP ONLINE  

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Posted September 08, 2017 - 05:27 AM

Come now Kenny, if you're gonna make it faster you will need to make it louder...

I suggest a sawzall precision engineered custom exhaust

After all, loud pipes save lives

It's loud enough! That muffler has seen better days!



#28 Greasy6020 OFFLINE  

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Posted September 08, 2017 - 04:27 PM

It's loud enough! That muffler has seen better days!


Nah... loud is when the neighbour hears it start up when he's in there barn😝

Then again I'm young dumb and full of sketchy ideas... if it's a V twin, I'd say put a dual exhaust I don't mind them




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