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Massey Harris & Massey Ferguson Tractors Discussion Forum

231S Injection pump leak

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A.T. Shealy

03-23-2020 20:09:49

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This message is a reply to an archived post by Dieseltech on June 20, 2019 at 03:56:15.
The original subject was "Re: 231S Injection pump leak".

New here but have a good bit of experience. Dieseltech, would you happen to have access to a manual or know the removal/timing procedure for removing a Delphi injection pump from a 231S? It is leaking fuel from the weep hole on mounting flange. I can稚 find a manual and neither can the Massey dealer

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03-24-2020 02:47:27

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 Re: 231S Injection pump leak in reply to A.T. Shealy, 03-23-2020 20:09:49  
No manual, but CAV DP 200 series pumps on Perkins have a pin locating hole at lower 6 O'clock position on the front housing pilot area. With the front cover removed over the pump drive gear turn engine until the hub cutout notch is over the hole, I use a 5/16 drill bit CHUCK END FIRST to locate the hub notch, turn engine slowly as needed until bit enters the hole. Remove/replace pump in this spot, and DON'T turn engine while pump is off. Also, DO NOT REMOVE THE PUMP HUB FROM PUMP!! It MUST stay on pump, just remove the gear bolts as needed. Pump hub is NOT keyed for correct location. I have the tools and seals to remove/replace the hub and seals. Drive seals are the weak point of that pump..

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A.T. Shealy

03-24-2020 19:20:15

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 Re: 231S Injection pump leak in reply to Dieseltech, 03-24-2020 02:47:27  
I assume CAV DP 200 series is a Delphi pump? Just want to confirm before I dig into it. Where are you located? And how much would you reseal pump for? Could you send me your phone number to atshealy1@gmail.com? I知 a cat mechanic so I should know a Perkins better than I do but I知 used to working on the bigger stuff.

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03-24-2020 20:15:23

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 Re: 231S Injection pump leak in reply to A.T. Shealy, 03-24-2020 19:20:15  
The DP 200 is a Delphi pump. E-mail is mhf35diesel@yahoo.com for more info, located in north central Indiana.

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