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D4 7u fuel primer pump

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8 months 1 week ago #255379 by candoman
Replied by candoman on topic D4 7u fuel primer pump
Thank You OM for posting those pictures.Thats a very neat install,I have purchased the same primer pump you have. I bought it on Ebay and it was listed as 9H2256 - Pump Assembly 7S1251 for Caterpillar.In picture #2 is the black knob by the pre filter a shutoff valve? Does it have to be shut when priming? In picture #4 is the black hose behind the injector pumps going to your fuel pressure gauge on your dash?

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8 months 1 week ago - 8 months 1 week ago #255380 by Old Magnet
Replied by Old Magnet on topic D4 7u fuel primer pump
Yes, use the shut off valve when priming. and yes black hose goes to fuel pressure gauge on dash. Could also mount pressure gauge in place of hour meter.
Last edit: 8 months 1 week ago by Old Magnet.
The following user(s) said Thank You: candoman

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