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HD5 "P" gage?
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Dandy Dave View Drop Down
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Joined: 12 Mar 2015
Location: Craryville NY
Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dandy Dave Quote  Post ReplyReply Direct Link To This Post Topic: HD5 "P" gage?
    Posted: 12 Mar 2015 at 5:55am
4 gages in the dash. Engine oil pressure, Amps, Temp, Also a 4th gage marked "P" What is it for? Thanks, Dandy Dave!
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Coke-in-MN View Drop Down
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Joined: 12 Sep 2009
Location: Afton MN
Points: 42018 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 12 Mar 2015 at 8:29am
Fuel Pressure from primary pump 
Life lesson: If you’re being chased by a lion, you’re on a horse, to the left of you is a giraffe and on the right is a unicorn, what do you do? You stop drinking and get off the carousel.
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Dandy Dave View Drop Down
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Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dandy Dave Quote  Post ReplyReply Direct Link To This Post Posted: 12 Mar 2015 at 8:49am
OK, That makes sense. Cat had them on the Fuel filter housing on the older machines. This HD5 belongs to a buddy that is about 800 miles south of me so I could not just stop over and look. Thanks, Dandy Dave!
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Coke-in-MN View Drop Down
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Points: 42018 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 12 Mar 2015 at 9:24am
The original gauge has a diaphragm on it and also a snubbed restriction so gauge will not show pulses from the gear pump and flow to injector pulses .    
Life lesson: If you’re being chased by a lion, you’re on a horse, to the left of you is a giraffe and on the right is a unicorn, what do you do? You stop drinking and get off the carousel.
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