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Author Topic: Clogged Head  (Read 167 times)

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mark_53

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Clogged Head
« on: June 01, 2021, 03:06:47 PM »

Hi all. I have a Jabsco head and pump. I pumped out a few weeks ago and havenít used the head in a while. A guest used it and swears nothing was thrown in. Iíve been letting it soak for a few days hoping whatever is there will slowly dissolve but no luck so far. If I need to disassemble, where is the place to start?
« Last Edit: June 01, 2021, 03:07:48 PM by mark_53 »
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1989 C34 Mk1 M25XP Danforth 25lb, adjustable backstay, fin keel, EV100 autopilot, CDH diesel heater

Stu Jackson

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Re: Clogged Head
« Reply #1 on: June 01, 2021, 04:59:32 PM »

...................
If I need to disassemble, where is the place to start?

Mark, I'm not being sarcastic:  Wouldn't the place to start be the manual for the Jabsco?

My Raritan PHII has a comprehensive owners manual that is very helpful.
« Last Edit: June 01, 2021, 05:00:25 PM by Stu Jackson »
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Stu Jackson, C34 IA Secretary, #224 1986, "Aquavite"  Cowichan Bay, BC  Maple Bay Marina  SR/FK, M25, Rocna 10 (22#) (NZ model)

"There is no problem so great that it can't be solved."

mark_53

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Re: Clogged Head
« Reply #2 on: June 01, 2021, 06:18:40 PM »

You are right Stu. Iíll have to check it. I was wondering if it was better to start at the pump or exit to the tank. I know, depends on where the clog is. It looks like the logical place for a clog is at the first 90 bend out of the bowl but there must be someone whoís had experience with freeing a clog. Mr Plumber?
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1989 C34 Mk1 M25XP Danforth 25lb, adjustable backstay, fin keel, EV100 autopilot, CDH diesel heater

scgunner

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Re: Clogged Head
« Reply #3 on: June 02, 2021, 09:00:11 AM »

Mark,

It's been my experience when I've had a clog it's usually the Joker Valve, an aptly named part. That's where I'd start, probably something big got stuck in the Joker, what that something is I'll leave to your imagination.
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Ron Hill

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Re: Clogged Head
« Reply #4 on: June 02, 2021, 03:25:25 PM »

Mark : Take the 4 screws that hold the pump to the assembly from the bottom of the bowel.  Then take the 2 screws in the back that hold the pump to the hose going to the tank.  After those 2 screw are out the Joker valve is behind them.  Remove the J valve and replace with a new one on reassembly!!

Have a bucket and some sponges handy - cause you don't know what is going the come out!!!   Good luck

A few thoughts
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Stu Jackson

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Re: Clogged Head
« Reply #5 on: June 03, 2021, 01:15:41 PM »

Glad to see Ron's still "going with" his bowel joke!   :D
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Stu Jackson, C34 IA Secretary, #224 1986, "Aquavite"  Cowichan Bay, BC  Maple Bay Marina  SR/FK, M25, Rocna 10 (22#) (NZ model)

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mark_53

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Re: Clogged Head
« Reply #6 on: June 03, 2021, 06:27:27 PM »

Then take the 2 screws in the back that hold the pump to the hose going to the tank.

That did the trick Ron, large wad of undisolved paper clogged the elbow.  I'll spare further details.
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1989 C34 Mk1 M25XP Danforth 25lb, adjustable backstay, fin keel, EV100 autopilot, CDH diesel heater
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