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Old 07-24-2008, 07:50 AM   #1
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daanderson's Avatar
1973 25' Tradewind
New Smyrna Beach , Florida
Join Date: Jun 2008
Posts: 51
Water Pump Question

I have a 73 tradewind. My water pump stopped working yesterday. The light comes on on the control panel but nothing. My pump, located under the sink is an old pully and belt type. Am I looking at the right thing? I checked the fuse and it's good. Any suggestions?

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Old 07-24-2008, 08:20 AM   #2
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1991 34' Excella
Princeton , New Jersey
Join Date: Aug 2003
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Check the belt first to see if it jumped off. If the belt is OK use a test light or volt meter to see if you have 12 volts across the 2 wires at the pump when it is on. If you have voltage not sure if you can get to the pressure switch to jumper it out. If you can jumper out the pressure switch and still don't have a pump its time for a new pump.

2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles

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Old 07-24-2008, 08:44 AM   #3
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1974 31' Sovereign
flint , Michigan
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Mine has a second fuse located behind the control panel also. I won't tell you how long it took me figure that out either.
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Old 07-24-2008, 08:47 AM   #4
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1976 25' Caravanner
Vintage Kin Owner
Campton , New Hampshire
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Posts: 1,113
The 2 wires that feed the pump from the switch have bullet connectors on them near the pump , make sure they are both connected.
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Old 07-24-2008, 08:55 AM   #5
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1973 25' Tradewind
New Smyrna Beach , Florida
Join Date: Jun 2008
Posts: 51
Thanks Guys! It was working fine and just stopped. I'll be busy tonight checking everything out. Hope it's a simple fix but if it's like the boat, cha-ching!!!
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Old 11-10-2008, 04:27 AM   #6
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Roblin , MB.
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Are there service kits available for the Jabsco Par Model 36800-1000 (belt & pulley) water pumps?
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Old 11-10-2008, 04:55 AM   #7
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1977 31' Sovereign
1963 26' Overlander
1989 34' Excella
Johnsburg , Illinois
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I had my Jabsco Par diaphram fail on a caravan last month. Camper's World did not have any repair parts. I bought a new Flowtec for about $60 from them and it works much better that the Par and fit in easily since it is smaller and less noisy. You might check Vintage Trailer Supply if you want to stay original.
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Old 11-10-2008, 09:14 AM   #8
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1984 29' Sovereign
Savannah , Missouri
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I was to say..."What nairnchyz and dwightdi said~!"
If you rebuilt, so much the better..
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Old 11-10-2008, 07:57 PM   #9
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1978 28' Ambassador
Morada , California
Join Date: Jan 2006
Posts: 1,583
The trouble with replacing the actual pump parts is that you are still stuck with the old 12 volt motor...

The commutator in the motor wears with use as the brushes rub against it, and isn't as efficient as it was when new...

If you can swing it, look into replacing the whole pump with the newer, variable speed type pumps...they more efficient, quieter (for the most part if you isolate them properly) and push more water...I did just that and I'm pleased with the results!
Ray & Pat; Morada, CA
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Old 11-10-2008, 08:07 PM   #10
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1978 31' Excella 500
Venice , California
Join Date: May 2006
Posts: 1,061
Check the high pressure cutoff switch also.
"Not all who are laundering are washed" say Bill & Heidi

'78 Excella 500,"The Silver Pullit". vacuum over hydraulic disc brakes, center bath, rear twin. '67 Travelall 1200 B 4X4 WBCCI 3737
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Old 11-10-2008, 08:40 PM   #11
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1986 31' Sovereign
Kent , Ohio
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Posts: 803
I replaced one in my old trailer. Boy did it make a difference. I put the newer style pump in. Very easy to do
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Old 11-10-2008, 08:45 PM   #12
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1973 31' Excella 500
Morristown , Tennessee
Join Date: Jul 2006
Posts: 193
Images: 9
I had the old pulley pump in my first trailer and it worked well but had low pressures and was noisy. I have the new Flotec in this trailer and recently cleaned and bench tested. It pumped great and is very quiet. Mounts in very little space. I like it.

Joe DeFelice
1973 Excella 500
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