Gas heater priming.

505-73Thing · Posted: Sun Dec 28, 2008 6:51 pm Post subject:

Never mind, just turned it on after driving a short distance and bingo - hot air.

kme_eone · Posted: Sun Dec 28, 2008 2:57 am Post subject: Fuel pump

This is why I love my South Wind Heater, it is mechanical.
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Chris Blankenship
South Wind parts and service
907-276-3397
Anchorage, AK

505-73Thing · Posted: Sat Dec 27, 2008 7:07 pm Post subject: Lost Prime

Did not drive this week and I lost the prime to the pump. Primed it last week, tapped on the pump and fired right up. Used it severla days in a row then did not drive it for a week and lost the prime. Any suggestions?

Thanks

dan macmillan · Posted: Tue Jan 08, 2008 10:12 am Post subject:

howiesfamily · Posted: Mon Jan 07, 2008 10:52 am Post subject:

I got the voltage reading by checking the green wire and grounding on a screw in the trunk. When I check across both the green and brown, I get no reading. I guess that means that somewhere in the brown wire, it isn't making ground. The brown wire is the one that goes into the fan housing so I'm guessing that the fan is supposed to complete the ground to send the signal. I suppose I'll have to pull the darned thing out and check inside.
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Ian Epperson · Posted: Mon Jan 07, 2008 9:02 am Post subject:

I've never thought to check, but it may be interrupting the ground wire. Did you check the voltage across the two wires, or the green to ground?

It should interrupt the 12v (or, maybe, ground) once or twice a second. A gear within the fan triggers the switch.
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howiesfamily · Posted: Sat Jan 05, 2008 3:13 pm Post subject:

I beat on the fuel pump with a screwdriver and applied voltage to it in short bursts about 150 times and finally got fuel squirting out.

I fiddled with the thermostat and got it working also.

I'm getting 12 volts on the green wire to the pump but it is constant. Shouldn't the voltage to the pump be in pulses? I put some fuel in a syringe and manually fed it into the heater and it seemed to work. I could hear it ignite and burn while listening at the fender well.
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member of: Fort Worth Aircoolers Gang

Ian Epperson · Posted: Tue Dec 11, 2007 11:30 am Post subject:

spaeth · Samba Member Joined: January 05, 2005 Posts: 355

I don't remember if it was me that gave you the tip here or not but I have passed that on to many people. My gas heaters sit all summer with no use. I sometimes try to remember to run them once a month, but if I miss a couple of months I need to prime again.

It is as simple as taking of the fuel line to the heater and using whatever safe method you can think of to get fuel down that line to the pump. Once the pump gets air in it, it will no longer draw fuel through.

This has been one of the main fixes I have had to do for my heaters.

Craig

miscreantgnomie · Posted: Tue Dec 11, 2007 10:56 am Post subject:

Yeah i disconected it at the heater used a funnel and filled the line up.

My pump was clicking just fine but nothing came out of the tube at the heater. i actually disconected both sides of the lines to the pump and clicked on the heater a sec and saw a small shot of gas come out then. After that I put it back together with new fuel hose just in case was restricting the flow.

Thats when I disconected it at the heater used a funnel and filled the line up. I then shoved it on dried up the few extra drips :p

It worked fine then.

Maybe it needs to have that fuels in the pump so by it flowing down it primed it to work.

We know it will be wet on tank side from flow.
_________________
62 sc, 62 SO 34, 61 mango, (2) 67 deluxe in crappy shape, 73 thing, 64 ghia,
and some embarassing bays. shhh, I just use them for storage. (hides)
San Antonio (SAAC/VOSA)

Captain Spalding · Posted: Tue Dec 11, 2007 9:58 am Post subject:

howiesfamily · Posted: Tue Dec 11, 2007 9:01 am Post subject:

Did you just disconnect the hose from where it attaches to the heater and put fuel down it to the pump? My pump is clicking, but not squirting any fuel. It gets plenty of fuel to it but won't pump any through.

I also have to bypass the thermostat switch to get the heater to power on. The bimetal coiled thing won't turn far enough to allow the power to come on.
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member of: Fort Worth Aircoolers Gang

miscreantgnomie · Posted: Sat Dec 08, 2007 3:19 pm Post subject: Its going again :)

YEs that worked Smile

thanks for whomever suggested that to fix my problem Smile

_________________
62 sc, 62 SO 34, 61 mango, (2) 67 deluxe in crappy shape, 73 thing, 64 ghia,
and some embarassing bays. shhh, I just use them for storage. (hides)
San Antonio (SAAC/VOSA)

miscreantgnomie · Posted: Sat Dec 08, 2007 2:29 pm Post subject: Gas heater priming.

So im working on the heater. someone said to prime it so I guessed how you do that :p

I just filled the gas line going down to the pump with gas. used a funnel.

waiting for the gas to dry to see if this works :p

Hoping its not a bad way to di it and will blow up Smile

_________________
62 sc, 62 SO 34, 61 mango, (2) 67 deluxe in crappy shape, 73 thing, 64 ghia,
and some embarassing bays. shhh, I just use them for storage. (hides)
San Antonio (SAAC/VOSA)


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