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Old 21-11-16, 06:52 PM   #1
Wotknot
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Default Lister B Governor

Hi,
We recently bought a Lister B in bits and are putting it back together.
However, the governor arm doesnt match up with the drive on the flywheel.
Does anyone have any pictures on how these go together?
Also, the engine is a reverse rotation model.
Thanks
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Old 21-11-16, 07:27 PM   #2
martinpaff
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Worth a look at the Lister A/B "Instruction Book & Parts List", Plate 1 gives you a pretty fair idea of how it all goes together. Being reverse rotation makes very little difference, it's just that the parts are mounted on the "back" of the engine.

Two springs between the weights and the steel mounting plate return the weights away from the engine. The flywheel weights lean on the two-grooved sliding collar on the crankshaft. Inside the second groove, a bronze quadrant (shoe) slides and transfers the movement to the long lever via a bolt with a plain end that engages in a hole in the quadrant. Linkages then transfer that movement to the throttle slide (possibly butterfly in your case?) A rather rough & ready description, but with the aid of the picture, it may help.

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Old 21-11-16, 08:03 PM   #3
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Hi,
Thanks for replying.
We've been using the parts manual.
Our governors don't have springs and the governor will not line up with the collar in any position.The parts manual does not show the shape of the pin.We were wondering if it was offset.
Thanks
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Old 21-11-16, 08:13 PM   #4
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Nope - there aren't any offset pins or anything else "tricky" in the system.

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Old 21-11-16, 08:32 PM   #5
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Hi,
Added a photo of the governor.
The collar will not align with the arm as the key on the collar stops it traveling far enough.
Thanks
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File Type: jpg WP_20161121_19_20_00_Pro.jpg (48.0 KB, 45 views)
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Old 21-11-16, 08:44 PM   #6
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I think you may have the lever the wrong way up; it needs to be angled away from the spool so that there's room for the bolt and quadrant. It's also possible that you have the parts from a "normal" rotation engine - they're not the same.

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Old 21-11-16, 08:47 PM   #7
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Hi,
Do you think the collar not locating properly is due to it being the wrong part?
Thanks
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Old 21-11-16, 09:27 PM   #8
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The collar certainly needs to be further in - I assumed it is being blocked by the lever. Is it the right way round? Will it slide in further the other way round? You can usually tell from the wear on the collar - you should be able to spot where the two levers of the weights make contact. ...and the position of the weights is set by the grubscrew in the flywheel into the dimple in the crank.

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Old 21-11-16, 09:57 PM   #9
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The brass "shoe" is missing from the end of the arm and as previously posted, the "spool" needs to be further on the shaft. I have attached a picture of the assembly on my Lister A, which is basically the same. If the spool won't go any further then try it the other way round. I may be wrong but I'm sure that there is a slight difference in the diameter of the "flanges" on either end of the spool.
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Old 21-11-16, 10:02 PM   #10
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Hi,
There is no dimple on that side of the crank,but there is one on the other side which has no obvious use.Could the crankshaft have been put in backwards?
We bought the engine with the bottom half of the engine already built.
Thanks
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