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dan macmillan Samba Member
Joined: October 19, 2003 Posts: 3110 Location: Northern Ontario, Canada
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Posted: Tue Jun 01, 2010 4:06 pm Post subject: |
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notchboy wrote: |
What kind of switch are you using to fire it up? |
Answered in the original post...... OY!, so I used my rear defogger switch, WTF it never worked anyways, perfect! _________________ Licensed Automotive Service Technician
Licensed Truck and Coach Technician
Licensed Heavy Duty Equipment Technician
CFC/HCFC/HFC A/C handling and installation license
Alignment specialist
66 Modified Manx,68 Kyote,74 Thing,74 Beetle, 76 Transporter,75 self made Double Cab,65 Meyers Manx,78Westy,68 Ghia, 79 Bradley GT2
Current projects:
Built for others:69 Manx Clone |
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gs2 Samba Member
Joined: January 02, 2008 Posts: 56 Location: Michigan
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Posted: Sun Feb 05, 2012 3:12 pm Post subject: |
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Definitely an old topic but I'm doing the same conversion so,
Busdaddy, (or anyone else that has experience with a BN2)
I've been working on a similar conversion. I finally received a new glow plug so I hooked everything up to day and sure enough it fired up. Thats where I think I have an issue.
It fires up but the voltage to the glow plug always stays around 4 or 5 volts. Isn't suppose to drop back to zero once it ignites? Or does it take a few minutes? I ran it for 3 minutes and it still had voltage but outside temp is just 35 today.
Upon shutting of the switch it does continue to run like it should but the blower motor speed picks up considerably. To me this would be because the glow plug is no longer pulling juice.
So what do you think is the plug not shutting off? |
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notchboy Samba Member
Joined: April 27, 2002 Posts: 22461 Location: Escondido CA
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Posted: Tue Mar 27, 2012 11:04 pm Post subject: |
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The quartz thermo rod may need to be adjusted while running. It heats up and expands shutting the glow plug off, when lit and in running mode. When it cools it turns the pump off causing the fan to get all the amps and making the faster running sound. _________________
t3kg wrote: |
OK, this thread is over. You win. |
Jason "notchboy" Weigel
1964 1500 S
1964 T34 S Convertible
1977 Westfalia Camper pop-top |
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busdaddy Samba Member
Joined: February 12, 2004 Posts: 51149 Location: Surrey B.C. Canada, but thinking of Ukraine
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Posted: Wed Mar 28, 2012 10:13 am Post subject: |
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Hmmm... I'm not so sure.... if it runs on when you shut the switch off the quartz rod thermo switch has already done it's thing properly. I'd look for a glow wire in the wrong spot on the switch or a stuck contact in the switch.
It should pick up speed like you're hearing after a few minutes all by itself even with the switch still on as long as it's burning. _________________ Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
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Слава Україні! |
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notchboy Samba Member
Joined: April 27, 2002 Posts: 22461 Location: Escondido CA
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busdaddy Samba Member
Joined: February 12, 2004 Posts: 51149 Location: Surrey B.C. Canada, but thinking of Ukraine
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Posted: Wed Mar 28, 2012 11:34 am Post subject: |
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It should, at the same time it activates the cooldown run on feature, one switch/2 actions, either cooldown or glow. _________________ Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
Stop dead photo links! Post your photos to The Samba Gallery!
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notchboy Samba Member
Joined: April 27, 2002 Posts: 22461 Location: Escondido CA
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Posted: Wed Mar 28, 2012 12:23 pm Post subject: |
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busdaddy wrote: |
It should, at the same time it activates the cooldown run on feature, one switch/2 actions, either cooldown or glow. |
Thats where I was going. Eithor the switch is out of wack-adjustment, or its broke like you said or maybe the quartz rod is cracked.
busdaddy-is yours the later meetering pump type? _________________
t3kg wrote: |
OK, this thread is over. You win. |
Jason "notchboy" Weigel
1964 1500 S
1964 T34 S Convertible
1977 Westfalia Camper pop-top |
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busdaddy Samba Member
Joined: February 12, 2004 Posts: 51149 Location: Surrey B.C. Canada, but thinking of Ukraine
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Posted: Wed Mar 28, 2012 1:04 pm Post subject: |
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notchboy wrote: |
busdaddy wrote: |
It should, at the same time it activates the cooldown run on feature, one switch/2 actions, either cooldown or glow. |
Thats where I was going. Eithor the switch is out of wack-adjustment, or its broke like you said or maybe the quartz rod is cracked.
busdaddy-is yours the later meetering pump type? |
Yes, but I have some early ones too.
As for the switch not shutting off the glow if the rod was cracked it wouldn't go into run on mode either so I suspect wiring or a stuck contact.
You can adjust the switch to trip at room temp for testing (count turns to set it back after), listen for the tiny click.
That's for a BN-4 but the concept is the same. Before you go messing with the switch too much confirm the pump is producing the correct number of cc's per minute first, if it's not the heater may not be warming up enough to close the switch (but why does it run on? ), hmmm... _________________ Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
Stop dead photo links! Post your photos to The Samba Gallery!
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