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Perkins V8.510


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  #21  
Old 09-24-2018, 02:59:44 AM
Scotty 2 Scotty 2 is offline
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Default Re: Perkins V8.510

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Originally Posted by cobbadog View Post
I think I am now going 'madder' than ever before. Yesterday I thought this was a locked thread for some reason and now it is open again.
Any ideas?
Wrong forum.
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  #22  
Old 09-25-2018, 01:51:06 AM
cobbadog cobbadog is offline
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Default Re: Perkins V8.510

Dipstick !!!
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  #23  
Old 09-25-2018, 03:31:51 PM
Scotty 2 Scotty 2 is offline
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Default Re: Perkins V8.510

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Originally Posted by cobbadog View Post
Dipstick !!!
Yep. The old Perkins has a dip stick. It has oil of the bottom too.
I should be home in a week. Hopefully there will be some time for a video before coming back to Brisbane.
I got to remember to pick up the chainsaw and some cow poo from the farm to do some gardening in Brisbane. Remind me would you Cobba.

Cheers Scott
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  #24  
Old 09-26-2018, 02:10:11 AM
cobbadog cobbadog is offline
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Default Re: Perkins V8.510

Consider yourself reminded then Scotty.

Are Bill n Ben doing the right thing and spreading the fertilizer around for you as they happily graze on your paddock?
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  #25  
Old 10-06-2018, 07:23:16 PM
Scotty 2 Scotty 2 is offline
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Default Re: Perkins V8.510

Hello all
Thanks to Cobba's reminder I remembered the camera and the chainsaw.
I had about 1/2 hour to have a look at the injector pump and the speed adjustments.
From what I can understand the idle adjustment is as far backed off as possible. The idle adjustment screw does not touch the little cam Mr Power mentions in post #4. A picture is below. The return spring is quite strong and snaps the throttle back when throttle is pulled open.
Is there another more serious adjustment for speed control or does this engine have the generator governor also mentioned by Mr Power in post #4?
The pump itself does not have Minimec on it like others I've found on the net but it is a Simms.
I have pictures of the plates on the injector pump if anyone can understand them.
I'm not even going to bother starting again until I understand the injector pump better.
If someone can explain the engine kill flap and lever that can be seen at the top of the first picture.....that would also be great.

Cheers Scott







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  #26  
Old 10-08-2018, 07:34:29 AM
Oil Power Oil Power is offline
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Default Re: Perkins V8.510

Hello Scotty2. I was wrong in referring to your pump as a Minimec. It is a Simms Minipump. The pump component is the same as a Minimec but differs in having a governor that is detachable from the pump. Minimecs have the governor contained in the pump housing. The V in the governor type code tells us your pump has a variable speed governor. The 250/1400 is the speed range for the governor (half engine speed). Your engine should therefore idle at 500 RPM and have a maximum speed of 2800RPM. It should be possible to adjust the governor to obtain these speeds by the adjustment screws shown in your first photo. I would back both screws out and start the engine and see how it idles. There is no harm in having the idle screw backed right out. It could be that non standard springs were fitted to suit the generator application. Normally this change would be stamped on the governor plate and the old speed range erased. Changing governor springs is a job best done by an injection service specialist who would run the pump on a test bench. However if you would like more information send me a PM.
The "Flap" you refer to is used to press in the small button in the center of the shaft the stop lever if fitted to. The purpose of this is to allow the rack to move into an excess fuel position for cold starting. The excess fuel button will click out when the engine starts, or you move the stop lever to the stop position.

Let us know who you get on.
Hugh
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  #27  
Old 10-08-2018, 10:20:14 PM
Oil Power Oil Power is offline
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Default Re: Perkins V8.510

More on this pump. After a little thought overnight I believe this pump will have a DAMPER fitted to the governor cover or a control rod damper at the front of the pump. In either case I would screw the adjustment out a turn before starting the engine. If the damper has been incorrectly set it would explain the problem you have. The attached service bulletin should make it clear. If you cannot read it send me a PM and I will email a copy.
Hugh
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  #28  
Old 10-10-2018, 05:36:52 PM
Scotty 2 Scotty 2 is offline
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Default Re: Perkins V8.510

Hello Mr Power
I can't thank you enough for that information. The information can be read and makes sense. I think the damper is as in Fig 4 but I'm not too sure.
I simply have not had the opportunity in appreciating this engine. I hate been away from home for extended periods.
I should be back early next week to have another look.
Here's a question: if the damper is adjusted to be the idle adjustment (about 1200rpm), would that stop the engine stop lever working?
Something else I should look at is the control rod. It may be partially seized?

Cheers and thanks
Scott
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  #29  
Old 10-12-2018, 05:36:51 PM
Oil Power Oil Power is offline
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Default Re: Perkins V8.510

If the damper is set in too far the engine will race (build up speed when running without load). The setting of the damper should have no effect on the throttle lever. The throttle has a forked lever that moves a roller up or down a ramp on the governor cover, to compress a leaf spring. You may work it out from Fig4. Moving the stop lever you should feel if the rack is free but take the side plate off if doubt.
Hugh
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  #30  
Old 10-13-2018, 01:09:54 AM
cobbadog cobbadog is offline
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Default Re: Perkins V8.510

Hey Scotty,
Let me know when your going to start it up again and I will get ready to catch a piston down here if you have got it wrong.
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