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rv
#1 Posted : Sunday, June 05, 2011 6:01:58 PM(UTC)
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I just got the boat running great. Now one of my ignition (toggle) switches died .
Anyone know who sells these switches (Off On Mom)?
I couldn't find them I took mine apart sanded and cleaned the parts and it's working.
I would like to replace if possible.
Thanks
Bob
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bpboater
#2 Posted : Sunday, June 05, 2011 8:05:32 PM(UTC)
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I think Cole Hersee makes these switches. Try this link.

http://www.colehersee.com/home/grid/cat/59/

Paul
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dougrose
#3 Posted : Sunday, June 05, 2011 9:56:59 PM(UTC)
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Nothing wrong with Cole Hersee, but you can use a Mil grade sealed toggle and just forget about failure.

A double-pole switch will let you wire an accessory circuit separate from the ignition circuit, like a car.

http://www.alliedelec.co...detail.aspx?SKU=8261521


1975 32' Flybridge Sedan, twin Perkins 6-354 diesels, 1:1.53 velvetdrives, 16 X 19 props. Merritt Island, Florida
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rv
#4 Posted : Monday, June 06, 2011 4:25:40 AM(UTC)
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Cole hersee nor allied makes the configuration needed to start the boat. I need a switch (off on mom).
Thanks Bob
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Barkleydave
#5 Posted : Monday, June 06, 2011 7:48:58 AM(UTC)
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John Althouse has them. Contact him. I got a spare a couple years back.


dave
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dougrose
#6 Posted : Monday, June 06, 2011 10:15:16 AM(UTC)
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The Eaton switch referenced works just fine. It is an on-on-(on) rather than an off-on-(on), but that just means that you don't wire to every terminal.

Go to the page for the Eaton 8501K18 in the Allied catalog that is referenced above, and pull up the datasheet (.pdf) for the switches. On page 4 of the datasheet it shows the wiring for the switches. The second one down is for the 8501K18.

Connect +12V battery (red) to both center terminals (2 and 3). Connect the lower left terminal (4) to the ignition (purple). Connect the upper left terminal (1) to the starter relay coil (yellow w/ red stripe).

Note that the switch must be mounted upside down, with the keyway at the top. This should not be a problem for most of us because Marinette panels were not stamped with keyways, as far as I know.

This same switch can provide an off-auto-on function for a bilge pump.

The reason that I go to this trouble is that these Mil-S-3050 switches are of far better quality than anything available in the normal boating market. And, most sources will charge you the $40 for a crappy switch that will not last. If this were not true, then you wouldn't be replacing them!


1975 32' Flybridge Sedan, twin Perkins 6-354 diesels, 1:1.53 velvetdrives, 16 X 19 props. Merritt Island, Florida
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rv
#7 Posted : Tuesday, June 07, 2011 5:05:06 AM(UTC)
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Does this mean that this switch is not a momentary one ? Looks like it will stay on.
Thanks
Bob
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rv
#8 Posted : Tuesday, June 07, 2011 5:46:18 AM(UTC)
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I'd be afraid to order from John Althouse after almost three years I finally received my T shirt. My check for membership was cashed immediately after many emails and almost three years he finally sent my shirt.
If he handles all his business this way he won't be in business long.
Bob
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dougrose
#9 Posted : Tuesday, June 07, 2011 11:32:52 AM(UTC)
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Bob,

The switch has 3 positions: When down, the ignition is off. When in the middle position, the ignition is on. When in the up position, the ignition is on and the starter is on. Only the up position is spring loaded. When you release the switch from the up position, it returns to the middle position.

I really like this kind of switch. It is intuitive and only one switch is needed for both ignition and start. The switch needs to be protected so that someone doesn't lean on the starter by mistake. I have diesels now, but I used to feed the "starter" side of the switch from the blower circuit, so that the engines won't start unless the blowers are on. This of course locks out the starter after the blowers have been turned off. Makes it brother-in-law proof.

I will post some schematics, I think that your solution might be of interest to others.

Doug


1975 32' Flybridge Sedan, twin Perkins 6-354 diesels, 1:1.53 velvetdrives, 16 X 19 props. Merritt Island, Florida
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Barkleydave
#10 Posted : Tuesday, June 07, 2011 11:56:14 AM(UTC)
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Like the idea of connecting starter circuit to blower switch. Nice safety addition.

Next time mine acts up I may just go with standard key ignition. Off...ON...START. They are easy to find and more secure than the fragile toggles.

Dave
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dougrose
#11 Posted : Tuesday, June 07, 2011 1:48:16 PM(UTC)
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With the diesels I am using Cole Hersee acc-off-on-start keyswitches, with separate pushbuttons for the "off" solenoids, all at the lower station. At the upper station, I use (on)-off-(on) toggles (because of the small panel) for engine off and engine start. The lower station keyswitches are set up to enable or disable the upper station depending on whether it is left in acc or in ign. This way I can run the boat from below and let the kids do what they want on the flybridge, knowing that they can't control anything. Wait, the crew is taking courses in college, I guess that doesn't matter any more.....


1975 32' Flybridge Sedan, twin Perkins 6-354 diesels, 1:1.53 velvetdrives, 16 X 19 props. Merritt Island, Florida
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rv
#12 Posted : Tuesday, June 07, 2011 5:33:48 PM(UTC)
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Thanks Doug the specs on line didn't mention spring loaded, these will work fine. I'll look forward to seeing the schematics.
Bob
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dougrose
#13 Posted : Wednesday, June 08, 2011 9:34:32 PM(UTC)
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Bob,

I know that I am hogging your thread, but I did a google search for the mil spec number for the switch, which is MS27407-2, and came up with a source for them for $9! Try

http://www.dfwairparts.c...8501K15.html#googlebase

These are pulled from aircraft, but should work just fine. I notice that the one in the picture only has one nut, and you really want a hex nut, a trim nut, and a locking washer. These are mounted by putting the hex nut on the barrel, followed by the lockwasher. The switch is inserted through the panel and the trim nut (usually round serrated rather than hex) is put on flush with the end of the switch barrel. Then the hex nut in back is spun up to the panel and tightened. dfwairparts might be able to supply the missing lockwasher and trim nut.

Schematic shortly. Just had physical therapy today and I'm not feeling like doing anything....

Doug


1975 32' Flybridge Sedan, twin Perkins 6-354 diesels, 1:1.53 velvetdrives, 16 X 19 props. Merritt Island, Florida
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yooper
#14 Posted : Friday, June 10, 2011 1:35:02 PM(UTC)
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Doug,
I tried to order 2 or those switches but after I entered all the order information they said they were out and I could not back order. The flybrige electrical panels took a weather beating on my project 32'. The parts inside the boat all look like new. I figured since I should clean or replace all the connectors I might as well put in a new starter switch. The originals were made in Mexico - stamped SA.
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dougrose
#15 Posted : Friday, June 10, 2011 5:44:36 PM(UTC)
dougrose

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Yooper,

I have been working on some schematics for using the MIL switches and will post them this weekend on my website - it's kind of a lot for the forum. I'll post the link here....


1975 32' Flybridge Sedan, twin Perkins 6-354 diesels, 1:1.53 velvetdrives, 16 X 19 props. Merritt Island, Florida
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rv
#16 Posted : Saturday, June 11, 2011 5:57:41 AM(UTC)
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I found them on this sight http://www.elecdirect.com/default.aspx part # 59071 Paul was right they're made by Cole Heerse although I couldn't find them on the web sight.
part # 59071
Bob
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dougrose
#17 Posted : Tuesday, June 14, 2011 3:39:04 PM(UTC)
dougrose

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Well, Mr. Steve (Apple) Jobs has decided to get rid of the MobileMe that we have put so much work into, and replace it with something called iCloud. So, I am abandoning Apple and will continue my website using Ubuntu, a form of unix.

Thanks to all this fuss, it has taken me a ridiculous amount of time to get the Military Switches stuff posted, but it is finally up at http://web.me.com/dougmr...ry_Toggle_Switches.html

I hope it is not too late to be of some use.


1975 32' Flybridge Sedan, twin Perkins 6-354 diesels, 1:1.53 velvetdrives, 16 X 19 props. Merritt Island, Florida
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pfhlaw
#18 Posted : Saturday, February 11, 2012 8:16:13 AM(UTC)
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I found a great upgrade (metal toggle, screw terminals and higher amp rating) at http://www.searay-parts.com/
This site used to be called "Flounderpounder" and I have purchased several items from them with great results.
Part number 6GG5E-78

$10.80
pfhlaw attached the following image(s):
pfhlaw attached the following image(s): Electrical6GG5E-78-2.jpg
Peter
1981 32' sedan bridge
twin Chrysler 360 cu. in. 250 hp engines
Raw water cooled
Nimbus II
Home port: New Buffalo, MI
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