Go Back  Offshoreonly.com > Owners Forum > Formula
Head fan......what is the deal? >

Head fan......what is the deal?

Notices
Formula

Head fan......what is the deal?

Thread Tools
 
Old 05-22-2003 | 12:50 PM
  #1  
PhantomChaos's Avatar
Thread Starter
Registered
 
Joined: Dec 2000
Posts: 12,746
Likes: 0
From: Bell Canyon, CA
Default Head fan......what is the deal?

Another minor project. The head fan on my 382 works fine....but pops the circuit breaker under the helm after about 4 minutes of operating. I can reset it..........and it will run for about 4 more minutes.

Weak CB?
Bad fan?
PhantomChaos is offline  
Reply
Old 05-22-2003 | 03:36 PM
  #2  
OldSchool's Avatar
VIP Member
20 Year Member
VIP Member
 
Joined: Dec 2001
Posts: 10,397
Likes: 402
From: Cape Coral, Florida
Default

Quit farting in there and the fan won't have to work so hard
OldSchool is offline  
Reply
Old 05-22-2003 | 03:50 PM
  #3  
hot water's Avatar
Registered
 
Joined: Feb 2002
Posts: 480
Likes: 0
From: Northern California
Default

Extra resistance within the motor or on the fan blades will cause the the fan to pull more amps. Extra resistance can be caused by several factors, a motor or fan blades covered with dust, a fan blade dragging, etc. If you have an electrician friend with an amprobe he can tell how many amps the motor is actually pulling, you may find that the breaker may be weak or is actually doing its job.

Or you may want to change your diet
hot water is offline  
Reply
Old 05-22-2003 | 05:49 PM
  #4  
PhantomChaos's Avatar
Thread Starter
Registered
 
Joined: Dec 2000
Posts: 12,746
Likes: 0
From: Bell Canyon, CA
Default

I have never farted before in my whole life.

I'll stick an ammeter on there and see what's up. I doubt that the fan is dirty.........but maybe there is something dragging on it that came loose. I'll post the results.
PhantomChaos is offline  
Reply
Old 05-23-2003 | 12:22 AM
  #5  
PhantomChaos's Avatar
Thread Starter
Registered
 
Joined: Dec 2000
Posts: 12,746
Likes: 0
From: Bell Canyon, CA
Default

Well.....the fan is drawing only about 7.5 amps, and I'm not sure what the push-on / push-off circuit breakers are rated for.....maybe 10A? One thing I did notice is that the fan was not sucking any air at all when it was on.

Nada
Nothing
Zilsh

Anyway, I managed to crawl inside the starboard side thingy.....and take a look. The fan is stiing there all nice and pretty, but with no vent hose attached to it. At first I couldn't see the vent hose at all, but it had slinky'ed down to the bottom nead the head. I managed to grab it and put it back on, but noticed that it had been secured by a tie-wrap. I took the tie-wrap off, and hauled my ass out of there to get something to secure it with. I found some 5200 silicon glue and sqeezed back in there and tack glued it on there.

I forgot to run the fan to see if that made a difference in the CB blowing, but I'll have time this weekend at Catalina Island to try it.
PhantomChaos is offline  
Reply
Old 05-23-2003 | 08:08 AM
  #6  
Ted G's Avatar
Charter Member
20 Year Member
Charter Member
 
Joined: Jan 2001
Posts: 7,663
Likes: 2
From: Edgerock Baby!!
Default

While you were slinking around in there I think you should have put in a fan-7.5 amps seems way too high for a head fan.
__________________
Chesapeake Bay Powerboat Association
www.cbpba.com
Ted G is offline  
Reply
Old 05-23-2003 | 11:44 AM
  #7  
PhantomChaos's Avatar
Thread Starter
Registered
 
Joined: Dec 2000
Posts: 12,746
Likes: 0
From: Bell Canyon, CA
Default

I actually measured about 6.4, but because of the voltage drop through the DMM, I added another amp to it. I stuck the DMM across the fan switch in the head (actually accessed under the counter where the AC is) with the fan running, then turned the switch off allowing all the current to go through the DMM. I could hear a drop in the RPM of the fan due to the voltage drop through the DMM. This fan is pretty good sized and really blows, so I think that around 7amps would be normal.
PhantomChaos is offline  
Reply
Old 05-31-2003 | 10:26 AM
  #8  
mcollinstn's Avatar
Platinum Member
20 Year Member
Platinum Member
 
Joined: Sep 2001
Posts: 5,769
Likes: 150
From: tn
Default

You could always run the discharge hose to the flame arrestors. Then you'd not only be supercharged, but you'd have methane injection as well...
mcollinstn is offline  
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
ur2slo
Formula
3
08-17-2006 10:01 PM
Chris288
General Boating Discussion
10
10-01-2004 09:27 PM
traviss
General Q & A
6
12-06-2002 06:35 PM

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.