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Headhunter Mach 5 water pump
#1
Question 

OK so I goofed. I posted this in the wrong place so maybe I got it right this time so here goes:

Howdy from Syd. Just learning how to navigate so it is a learning stage. I have not figured it all out yet. I am having a Headhunter water pump problem. The pump cycles on and off. I was told it was a air lock. OK. I opened the faucets at all points and ran the pump then shut off the faucets and the pump cuts off at about 60 lbs. Great I said. I fixed it. Sometime later while taking a shower no water. Dang I go outside and sure enough the pump has shut down. However, if I use the aux. pump it pumps UP and then cuts off. (lIKE IT SHOULD) So I am thinking I have a leak in the suction line. O Joy. That is hard to get to. So that is what I will check next. What had happened before I had this problem was the plastic fitting on top split and I had to order a new fitting. I got two. I replaced them which was a chore. Newell uses some pipe dope that is like lock tite. Hard as steel so I broke the other fitting trying to get it off. So I replaced both. I guess I will have to undue the inlet fitting and see if it was sucking air. ANY SUGGESTIONS GUYS?
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#2

My Headhunter did that, and their tech support told me to replace the pressure switch, and that solved the problem. It is located under the cover on top, held down with 4 screws.

Coach Name: Hakuna Matata, 2005 Coach 722 47' Quad Slide, DD Series 60, Allison 6 Speed, Featherlite Toy Hauler
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#3

Thanks John: Where did you purchase the switch?
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#4

Headhunter is located in Ft Lauderdale , Florida


Larry, Hedy & Benny Brachfeld
2003  Coach # 646
2 Slide, DD
MINI Cooper Clubman S
MINI Clubman , John Cooper Works Rally Edition # 3 of 70
Monster 1000 Watt, Electric Skateboard
Yamaha Golf Cart painted Kawasaki Green
A Coach driveway with a shade structure and swimming pool 
A Pueblo Home on the Border
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#5

Be sure you drain the pump before replacing the pressure switch or you will ruin the pump

Rolleyes Ashley Pardue Coach 589
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#6

The circuit board on Headhunter pumps is on the top, near the piping so if you have a leak and it gets into their it will cause problems.
I find whenever I let my water tank get real low that the pump will do the cycling thing after I fill the tank.

Forest & Cindy Olivier
1987 log cabin
2011 Roadtrek C210P
PO 1999 Foretravel 36'
1998 Newell 45' #486 

1993 Newell 39' #337 
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#7

I ordered it from Headhunter

Coach Name: Hakuna Matata, 2005 Coach 722 47' Quad Slide, DD Series 60, Allison 6 Speed, Featherlite Toy Hauler
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