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Author Topic: SL4 SL rack  (Read 1671 times)

KC7NOA

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SL4 SL rack
« on: September 20, 2024, 02:21:01 AM »
I'm looking to get a sl4 going ...

Iv discovered that there was no fuel or oil filters ... taken care of ... case oil canister still leaking -- no worries

Shouldn't the rack be movable when not running? Mine seems stuck
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Lister SR2A with belt 5.5KW unknown make head
Lister SL4 with unknown 7.5KW head

KC7NOA

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Re: SL4 SL rack
« Reply #1 on: September 20, 2024, 02:22:18 AM »
And
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KC7NOA

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Re: SL4 SL rack
« Reply #2 on: September 20, 2024, 03:36:03 AM »
I can twist the rack in all 4 fuel injection pumps ... but I don't think it's loose when it crosses over from the front two to the rear two ...
The rack certainly does not move left to right

Can't seem to attach another picture


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KC7NOA

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Re: SL4 SL rack
« Reply #3 on: September 20, 2024, 08:29:17 PM »
Is there a video or pictures of the working centrifugal weights governor.
I take it that when not running the weights will not move by hand ... ?
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KC7NOA

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Re: SL4 SL rack
« Reply #4 on: September 20, 2024, 08:30:54 PM »
Iv got the spring end off and still stuck -- its not stuck on this end
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KC7NOA

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Re: SL4 SL rack
« Reply #5 on: September 20, 2024, 08:33:25 PM »
Right now the rack moves about 1/32" side to side ...
If a injector rack was stuck , how much movement would I expect?
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Lister SL4 with unknown 7.5KW head

oldgoat

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Re: SL4 SL rack
« Reply #6 on: September 21, 2024, 01:20:58 PM »
Time to take the camshaft cover off and check whether the bob weights move freely
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KC7NOA

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Re: SL4 SL rack
« Reply #7 on: September 22, 2024, 12:04:02 AM »
The weights are not froze ... and spin round round with starter running ... but with rack froze I can't move them like centrifugal force would
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Lister SL4 with unknown 7.5KW head

KC7NOA

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Re: SL4 SL rack
« Reply #8 on: September 22, 2024, 01:01:54 AM »
Now iv done it ....
I dropped the bit that goes between the weights button and the rack ... down into the motor ....
Guess once the rack is freed up ... ill need to drain the oil , lay on its side and take the pan off ....
Any easy way down in there?
« Last Edit: September 22, 2024, 01:04:30 AM by KC7NOA »
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KC7NOA

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Re: SL4 SL rack
« Reply #9 on: September 22, 2024, 01:17:31 AM »
Item 16, 17 and 18 as one piece went down .... sigh...
Is it ferrous?
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oldgoat

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Re: SL4 SL rack
« Reply #10 on: September 22, 2024, 08:48:22 AM »
Drain the  oil and try a magnet on a stick.   Sounds like the sleeves are seized in the pumps a soak in diesel might help
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KC7NOA

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Re: SL4 SL rack
« Reply #11 on: September 22, 2024, 11:36:23 PM »
I made a magnet on a nonferrous wire ... success!!!
Getting the dropped bit out of the motor. Part fell about 3.5" down so I guess it was resting on a gear ....

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Lister SL4 with unknown 7.5KW head

KC7NOA

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Re: SL4 SL rack
« Reply #12 on: September 24, 2024, 10:53:39 PM »
Making progress ...
One cleaned , taken apart and now moves free and two to go ....
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KC7NOA

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Re: SL4 SL rack
« Reply #13 on: September 26, 2024, 04:44:30 PM »
I found an o-ring in my cleaning pot and iv no idea where it came from ...
I need a parts blowup for this fuel pump I guess
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Lister SR2A with belt 5.5KW unknown make head
Lister SL4 with unknown 7.5KW head

KC7NOA

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Re: SL4 SL rack
« Reply #14 on: September 26, 2024, 09:43:01 PM »
How do you align the rack couplers and the rack when tightening down to not bind on the rack?

Iv got all the pumps freed up ... hope the pin in the middle don't have an orientation besides the slotted cup in the lower section
« Last Edit: September 26, 2024, 09:44:54 PM by KC7NOA »
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