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02-12-2007, 09:14 AM
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#1
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Rivet Master
2007 23' Safari SE
San Diego
, California
Join Date: Apr 2006
Posts: 1,495
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Power Jack Fuses
I am in process of stocking back-up fuses for the trailer…
Fuse for the power jack seems to be 30 amp, 250 volt.
But I so far I’ve found no specific size mentioned here in forums…
And the manual for my power jack was missing from my Delivery Case.
So, for those of you who have recent trailers…
What is the proper fuse type and size for the power hitch…
And where is it bought?
Thanks,
-- SilverGate
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02-12-2007, 09:28 AM
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#2
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Aluminut
2004 25' Safari
.
, Illinois
Join Date: Feb 2003
Posts: 10,477
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I believe mine is a 20a. I've replaced it about 5x. A number of units short out when fully retracted.
Factory fixed mine, but it's doing it again.
It could be a 30a, but frankly, I've put 20a in there and it works just fine. Won't blow unless it shorts.....
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02-12-2007, 09:47 AM
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#3
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Rivet Master
Some Place with a German Name
, Texas
Join Date: Jun 2005
Posts: 908
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Are you talking about the round glass fuses or a blade style automotive fuses?
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02-12-2007, 09:57 AM
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#4
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Rivet Master
1958 22' Flying Cloud
1956 30' Sovereign of the Road
1963 16' Bambi
Southeastern Area
, Tennessee
Join Date: Jul 2006
Posts: 2,116
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Mine uses a bladed 20 amp fuse. Yes, they do short out occasionaly so keep some spares on hand.
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02-12-2007, 09:59 AM
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#5
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Always Airstreaming!
2005 22' Safari
1960 24' Tradewind
Anytown
, Connecticut
Join Date: Oct 2006
Posts: 3,115
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Quote:
Originally Posted by SilverGate
I am in process of stocking back-up fuses for the trailer…
Fuse for the power jack seems to be 30 amp, 250 volt.
But I so far I’ve found no specific size mentioned here in forums…
And the manual for my power jack was missing from my Delivery Case.
So, for those of you who have recent trailers…
What is the proper fuse type and size for the power hitch…
And where is it bought?
Thanks,
-- SilverGate
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Greetings Silvergate-
For the '07 model year, Airstream used two types of jacks on their trailers, which one do you have? Double check yourself on the fuses, the jack is 12V not 250V. Your whole electrical panel should be using 20A fuses. When do you pop the fuse? When lowering raising or just any old time?
__________________
J. Rick Cipot
Sandi Gould
NEU New England Unit
Airstream Life Magazine
Proud Member of WBCCI
WBCCI #3411
AIR #17099
2009 Silverado 2500HD
2004 22' Safari
1960 24' Tradewind
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02-12-2007, 10:24 AM
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#6
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Aluminut
2004 25' Safari
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, Illinois
Join Date: Feb 2003
Posts: 10,477
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It's a blade and though there is a fused electrical panel, there is (or at least was) a seperate fuse located by the power jack itself, independ of the fused distribution panel.
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02-12-2007, 10:31 AM
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#7
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Ready-to-Travel
2012 30' International
Walkerton
, Virginia
Join Date: Dec 2003
Posts: 3,168
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Mine is a 20amp bladed (the panel is behind the gaucho at the front of the trailer). The only time I blew one was when my b-i-l ran the jack all the way up instead of stopping an inch below.
There is also an inline glass fuse that shouldn't blow unless you have short troubles.
Pat
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02-12-2007, 11:16 AM
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#8
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Rivet Master
Some Place with a German Name
, Texas
Join Date: Jun 2005
Posts: 908
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Quote:
Originally Posted by SilverGate
I am in process of stocking back-up fuses for the trailer…
Fuse for the power jack seems to be 30 amp, 250 volt.
But I so far I’ve found no specific size mentioned here in forums…
And the manual for my power jack was missing from my Delivery Case.
So, for those of you who have recent trailers…
What is the proper fuse type and size for the power hitch…
And where is it bought?
-- SilverGate
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SilverGate, I went out to check the trailer and I have a glass round 30A 250V fuse in a yellow protective cap on mine as well!
EDIT: Also, my 19' Bambi is wired directly to the battery and not to one of the internal fuse boxes.
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02-12-2007, 12:29 PM
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#9
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Aluminut
2004 25' Safari
.
, Illinois
Join Date: Feb 2003
Posts: 10,477
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That is totally bizzare....I have an '04 as well and if I'm reading you right, it sounds like it's wired the same, yet a glass fuse? How odd that they would have two different setups, unless it was something that had to do with a different model jack?!
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02-12-2007, 12:34 PM
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#10
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Rivet Master
Some Place with a German Name
, Texas
Join Date: Jun 2005
Posts: 908
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My original jack developed a short in during the warranty period and the entire unit was replaced with what I would expect is a model that is on currently shipping trailers.
The old jack has a blade style fuse, 12V 30A. I used a lot of those before I got it replaced. This is probably what you have.
I'll get the model number of the jack if you need, but it lookes exactly like the jack I originally had, just with a different fuse.
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02-12-2007, 12:38 PM
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#11
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Aluminut
2004 25' Safari
.
, Illinois
Join Date: Feb 2003
Posts: 10,477
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Wonder if that was done due to the shorting issue when fully retracted.....
I as well went to the factory and the tech told me, without even looking at it, what the issue was and fixed it or at least fixed it short term. Looks like a more perm fix was done after the fact....now I just need my fridge fixed so it doesn't melt down my shell and my power jack replaced.
It's a labor of love.
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02-12-2007, 12:41 PM
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#12
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Rivet Master
1978 31' Excella 500
Venice
, California
Join Date: May 2006
Posts: 1,067
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Another solution is to replace the fuse with a manually re-settable circuit breaker of the appropriate size. End of problem
__________________
"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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02-12-2007, 01:14 PM
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#13
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Ready-to-Travel
2012 30' International
Walkerton
, Virginia
Join Date: Dec 2003
Posts: 3,168
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um.. "fully retracted"....if that means that you raise the jack all the way til it stops, that is what blew the fuse on mine. My instructions say to not go farther than that last inch.
But mine is an aftermarket I got from camping world.
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02-13-2007, 02:44 AM
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#14
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Rivet Master
2007 23' Safari SE
San Diego
, California
Join Date: Apr 2006
Posts: 1,495
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My Power Jack Fuse: S30A - 250V by Jenn Feng
Silvertwinkie – Thanks for being the quickest to respond to my inquiry…
And you’re right… besides the interior 12-volt electrical panel that in my case lists Circuit #6 for the Hitch Jack & light, Furnace… there is a separate, exterior, in-line fuse located near and under the Power Jack (under the A-frame nose area).
This fuse in located in a gray rubber capsule painted yellow and each side of the capsule has a rubber loop attached… (see photo page 2).
My fuse is a round glass tube that is stamped: S30A 250V Jenn Feng, and measures 6.35mm x 32 mm, (see photo page2).
I suspect this is a time delay fuse similar to the Bussman MDL 30A, but I’m not sure.
I also suspect that if you used 30A, you might not have had to replace it so many times.
My Power Jack in made by H & H Engineering Co.
Rickandsandi – My fuse is just fine… I just want to have a back-up supply of all fuses.
BTW – This fuse can be easily removed to prevent neighborhood kids from playing with the Power Jack and also to slow down those who might be tempted to steal the trailer.
Westfalia – Thanks for checking your trailer and verifying that you also found your in-line fuse in the yellow protective cap under the Power Jack… and that your fuse is also 30A – 250V.
I could not locate this S30A-250V Jenn Feng fuse on the internet.
So the questions remain:
Where can I buy replacement S30A – 250V fuses for my factory installed Power Jack?
Who else makes this fuse and what is their model number?
Thanks,
SilverGate
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02-13-2007, 02:50 AM
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#15
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Rivet Master
2007 23' Safari SE
San Diego
, California
Join Date: Apr 2006
Posts: 1,495
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Exterior Fuse Holder
Power Jack fuse is in gray rubber capsule painted yellow under the A-frame near the Power Jack. This capsule easily separates but is still held together by a gray rubber loop. See photos below:
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02-13-2007, 02:57 AM
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#16
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Rivet Master
2007 23' Safari SE
San Diego
, California
Join Date: Apr 2006
Posts: 1,495
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My Power Jack Fuse: S30A - 250V by Jenn Feng
Found in rubber in-line capsule painted yellow under A-frame near Power Jack:
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02-13-2007, 06:25 AM
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#17
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Retired.
Currently Looking...
.
, At Large
Join Date: Jun 2003
Posts: 21,276
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Quote:
Originally Posted by SilverGate
Found in rubber in-line capsule painted yellow under A-frame near Power Jack:
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Radio Shack carries these, in small boxes.
__________________
Meddle not in the affairs of dragons, for you are crunchy, and taste good with ketchup.
Terry
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02-13-2007, 10:45 AM
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#18
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2 Rivet Member
2007 23' Safari SE
San Diego
, California
Join Date: Feb 2007
Posts: 98
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Will this fuse work?
I have been looking at auto parts stores and Radio Shack with no success in finding this fuse. West Marine, a yachting store, has 30 MDL fuses but the package does not indicate that it is for 250v and the inner filament is different as noted in this picture as compared with Silvergate's picture. Does anyone know if the Ancor fuse will safely do the job?
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02-13-2007, 11:55 AM
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#19
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4 Rivet Member
1977 24' Argosy 24
Inverness
, Florida
Join Date: May 2006
Posts: 264
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I've seen that type of fuse in some of the old ham radios. try WW grainiers. they have all kinds of fuses.
Bob
__________________
just want to camp happy
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02-13-2007, 01:12 PM
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#20
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1 Rivet Member
Currently Looking...
Ocean Springs
, Mississippi
Join Date: Oct 2006
Posts: 5
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Any 30 amp fuse that will fit the fuseholder will work. A fuse rated for 250 volts will work on 12 volts. Don't use a 12 volt fuse on 250 volts. The amps are the important number.
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