fan clutch switch
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03-27-2007, 10:11
Post: #1
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fan clutch switch
Pokey has a dash mounted switch to energize or disengage the clutch for
the engine cooling fan. I assume that this is a retrofit from a thermostatically controlled switch. Other than the obvious (turn it on when the engine reaches operating temp, turn it off in cooler weather or just leave it on and forget about it), is there any reason for this sort of setup. Is it a common thing to do on the FC's? Thanks, Doug Engel. Gunnison, Co, 1981 FC35SB, "Pokey" |
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03-27-2007, 10:49
Post: #2
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fan clutch switch
Doug,
The fan override switch lets you turn on the fan manually to keep it from cutting in and cutting out as your water temperature hovers around 190F. It's less annoying to let it run constantly than to hear it kick on and kick off every few minutes. But there's another good reason to try it. Just a brief story about my experience a few years ago in our 84FC-35. Since we bought the unit in winter, the fan never came on during our first few trips. I had never heard it, so I didn't realize it WASN'T working when we needed it, badly, on Highway 16 winding through Custer National Park in 85-degree heat on the way up to see Mt. Rushmore that summer. We started overheating. I added coolant and water at three stops until I finally ran out. I had long since gone past any place where I could turn around. With engine alarm buzzing and steam pouring out of the doghouse, I had to shut down on the narrowest shoulder of a steep-grade switch-back and lost 30 hours because of a simple broken radiator fan wire. Bottom line: Use the fan override switch to test your fan so you'll know it's operational. Brad Barton 00LXiDFW bbartonwx@... >From: "doug_ngl" >Reply-To: WanderlodgeForum@yahoogroups.com >To: WanderlodgeForum@yahoogroups.com >Subject: [WanderlodgeForum] fan clutch switch >Date: Tue, 27 Mar 2007 22:11:02 -0000 > >Pokey has a dash mounted switch to energize or disengage the clutch for >the engine cooling fan. I assume that this is a retrofit from a >thermostatically controlled switch. Other than the obvious (turn it on >when the engine reaches operating temp, turn it off in cooler weather >or just leave it on and forget about it), is there any reason for this >sort of setup. Is it a common thing to do on the FC's? > Thanks, Doug Engel. Gunnison, Co, 1981 FC35SB, "Pokey" > _________________________________________________________________ Watch free concerts with Pink, Rod Stewart, Oasis and more. Visit MSN Presents today. http://music.msn.com/presents?icid=ncmsn...SN03A07001 |
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03-27-2007, 13:19
Post: #3
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fan clutch switch
Brad, Good info, thanks. Doug n' Pokey
brad barton <bbartonwx@...> wrote: Doug, The fan override switch lets you turn on the fan manually to keep it from cutting in and cutting out as your water temperature hovers around 190F. It's less annoying to let it run constantly than to hear it kick on and kick off every few minutes. But there's another good reason to try it. Just a brief story about my experience a few years ago in our 84FC-35. Since we bought the unit in winter, the fan never came on during our first few trips. I had never heard it, so I didn't realize it WASN'T working when we needed it, badly, on Highway 16 winding through Custer National Park in 85-degree heat on the way up to see Mt. Rushmore that summer. We started overheating. I added coolant and water at three stops until I finally ran out. I had long since gone past any place where I could turn around. With engine alarm buzzing and steam pouring out of the doghouse, I had to shut down on the narrowest shoulder of a steep-grade switch-back and lost 30 hours because of a simple broken radiator fan wire. Bottom line: Use the fan override switch to test your fan so you'll know it's operational. Brad Barton 00LXiDFW bbartonwx@... >From: "doug_ngl" >Reply-To: WanderlodgeForum@yahoogroups.com >To: WanderlodgeForum@yahoogroups.com >Subject: [WanderlodgeForum] fan clutch switch >Date: Tue, 27 Mar 2007 22:11:02 -0000 > >Pokey has a dash mounted switch to energize or disengage the clutch for >the engine cooling fan. I assume that this is a retrofit from a >thermostatically controlled switch. Other than the obvious (turn it on >when the engine reaches operating temp, turn it off in cooler weather >or just leave it on and forget about it), is there any reason for this >sort of setup. Is it a common thing to do on the FC's? > Thanks, Doug Engel. Gunnison, Co, 1981 FC35SB, "Pokey" > __________________________________________________________ Watch free concerts with Pink, Rod Stewart, Oasis and more. Visit MSN Presents today. http://music.msn.com/presents?icid=ncmsn...SN03A07001 Doug Engel, Gunnison, CO. 1981 FC35SB "Pokey" --------------------------------- Don't pick lemons. See all the new 2007 cars at Yahoo! Autos. [Non-text portions of this message have been removed] |
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03-27-2007, 13:52
Post: #4
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fan clutch switch
It's not a bad idea to turn on the engine fan prior to starting up a
long grade. Lots easier to keep it cool than try to cool down once ya get everything hot. Harold Prescott '85 FC35 Northern California A--- In WanderlodgeForum@yahoogroups.com, Doug Engel wrote: > > Brad, Good info, thanks. Doug n' Pokey > > brad barton <bbartonwx@...> wrote: Doug, > > The fan override switch lets you turn on the fan manually to keep it from > cutting in and cutting out as your water temperature hovers around 190F. > It's less annoying to let it run constantly than to hear it kick on and kick > off every few minutes. But there's another good reason to try it. > > Just a brief story about my experience a few years ago in our 84FC- 35. > Since we bought the unit in winter, the fan never came on during our first > few trips. I had never heard it, so I didn't realize it WASN'T working when > we needed it, badly, on Highway 16 winding through Custer National Park in > 85-degree heat on the way up to see Mt. Rushmore that summer. We started > overheating. I added coolant and water at three stops until I finally ran > out. I had long since gone past any place where I could turn around. With > engine alarm buzzing and steam pouring out of the doghouse, I had to shut > down on the narrowest shoulder of a steep-grade switch-back and lost 30 > hours because of a simple broken radiator fan wire. > Bottom line: Use the fan override switch to test your fan so you'll know > it's operational. > > Brad Barton 00LXiDFW > bbartonwx@... > > >From: "doug_ngl" > >Reply-To: WanderlodgeForum@yahoogroups.com > >To: WanderlodgeForum@yahoogroups.com > >Subject: [WanderlodgeForum] fan clutch switch > >Date: Tue, 27 Mar 2007 22:11:02 -0000 > > > >Pokey has a dash mounted switch to energize or disengage the clutch for > >the engine cooling fan. I assume that this is a retrofit from a > >thermostatically controlled switch. Other than the obvious (turn it on > >when the engine reaches operating temp, turn it off in cooler weather > >or just leave it on and forget about it), is there any reason for this > >sort of setup. Is it a common thing to do on the FC's? > > Thanks, Doug Engel. Gunnison, Co, 1981 FC35SB, "Pokey" > > > > __________________________________________________________ > Watch free concerts with Pink, Rod Stewart, Oasis and more. Visit MSN > Presents today. > http://music.msn.com/ presents?icid=ncmsnpresentstagline&ocid=T002MSN03A07001 > > > > > > > Doug Engel, Gunnison, CO. 1981 FC35SB "Pokey" > > --------------------------------- > Don't pick lemons. > See all the new 2007 cars at Yahoo! Autos. > > [Non-text portions of this message have been removed] > |
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03-27-2007, 14:44
Post: #5
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fan clutch switch
On the maiden voyage home to CO from FL, I played with it some, but at that time
it was on a leash that came out from under the engine cover and hung down by my right knee. Sure ran quieter with it off, but could see temps climb unless I turned it on. Now it is installed in the dash. I keep a pretty close eye on the temp, and agree 100% that is is easier to retain control than to regain it. Doug n' Pokey Harold Prescott turn on the engine fan prior to starting up a long grade. Lots easier to keep it cool than try to cool down once ya get everything hot. Harold Prescott '85 FC35 Northern California A--- In WanderlodgeForum@yahoogroups.com, Doug Engel wrote: > > Brad, Good info, thanks. Doug n' Pokey > > brad barton <bbartonwx@...> wrote: Doug, > > The fan override switch lets you turn on the fan manually to keep it from > cutting in and cutting out as your water temperature hovers around 190F. > It's less annoying to let it run constantly than to hear it kick on and kick > off every few minutes. But there's another good reason to try it. > > Just a brief story about my experience a few years ago in our 84FC- 35. > Since we bought the unit in winter, the fan never came on during our first > few trips. I had never heard it, so I didn't realize it WASN'T working when > we needed it, badly, on Highway 16 winding through Custer National Park in > 85-degree heat on the way up to see Mt. Rushmore that summer. We started > overheating. I added coolant and water at three stops until I finally ran > out. I had long since gone past any place where I could turn around. With > engine alarm buzzing and steam pouring out of the doghouse, I had to shut > down on the narrowest shoulder of a steep-grade switch-back and lost 30 > hours because of a simple broken radiator fan wire. > Bottom line: Use the fan override switch to test your fan so you'll know > it's operational. > > Brad Barton 00LXiDFW > bbartonwx@... > > >From: "doug_ngl" > >Reply-To: WanderlodgeForum@yahoogroups.com > >To: WanderlodgeForum@yahoogroups.com > >Subject: [WanderlodgeForum] fan clutch switch > >Date: Tue, 27 Mar 2007 22:11:02 -0000 > > > >Pokey has a dash mounted switch to energize or disengage the clutch for > >the engine cooling fan. I assume that this is a retrofit from a > >thermostatically controlled switch. Other than the obvious (turn it on > >when the engine reaches operating temp, turn it off in cooler weather > >or just leave it on and forget about it), is there any reason for this > >sort of setup. Is it a common thing to do on the FC's? > > Thanks, Doug Engel. Gunnison, Co, 1981 FC35SB, "Pokey" > > > > __________________________________________________________ > Watch free concerts with Pink, Rod Stewart, Oasis and more. Visit MSN > Presents today. > http://music.msn.com/ presents?icid=ncmsnpresentstagline&ocid=T002MSN03A07001 > > > > > > > Doug Engel, Gunnison, CO. 1981 FC35SB "Pokey" > > --------------------------------- > Don't pick lemons. > See all the new 2007 cars at Yahoo! Autos. > > [Non-text portions of this message have been removed] > Doug Engel, Gunnison, CO. 1981 FC35SB "Pokey" --------------------------------- Finding fabulous fares is fun. Let Yahoo! FareChase search your favorite travel sites to find flight and hotel bargains. [Non-text portions of this message have been removed] |
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03-27-2007, 14:44
Post: #6
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fan clutch switch
On the maiden voyage home to CO from FL, I played with it some, but at that time
it was on a leash that came out from under the engine cover and hung down by my right knee. Sure ran quieter with it off, but could see temps climb unless I turned it on. Now it is installed in the dash. I keep a pretty close eye on the temp, and agree 100% that is is easier to retain control than to regain it. Doug n' Pokey Harold Prescott turn on the engine fan prior to starting up a long grade. Lots easier to keep it cool than try to cool down once ya get everything hot. Harold Prescott '85 FC35 Northern California A--- In WanderlodgeForum@yahoogroups.com, Doug Engel wrote: > > Brad, Good info, thanks. Doug n' Pokey > > brad barton <bbartonwx@...> wrote: Doug, > > The fan override switch lets you turn on the fan manually to keep it from > cutting in and cutting out as your water temperature hovers around 190F. > It's less annoying to let it run constantly than to hear it kick on and kick > off every few minutes. But there's another good reason to try it. > > Just a brief story about my experience a few years ago in our 84FC- 35. > Since we bought the unit in winter, the fan never came on during our first > few trips. I had never heard it, so I didn't realize it WASN'T working when > we needed it, badly, on Highway 16 winding through Custer National Park in > 85-degree heat on the way up to see Mt. Rushmore that summer. We started > overheating. I added coolant and water at three stops until I finally ran > out. I had long since gone past any place where I could turn around. With > engine alarm buzzing and steam pouring out of the doghouse, I had to shut > down on the narrowest shoulder of a steep-grade switch-back and lost 30 > hours because of a simple broken radiator fan wire. > Bottom line: Use the fan override switch to test your fan so you'll know > it's operational. > > Brad Barton 00LXiDFW > bbartonwx@... > > >From: "doug_ngl" > >Reply-To: WanderlodgeForum@yahoogroups.com > >To: WanderlodgeForum@yahoogroups.com > >Subject: [WanderlodgeForum] fan clutch switch > >Date: Tue, 27 Mar 2007 22:11:02 -0000 > > > >Pokey has a dash mounted switch to energize or disengage the clutch for > >the engine cooling fan. I assume that this is a retrofit from a > >thermostatically controlled switch. Other than the obvious (turn it on > >when the engine reaches operating temp, turn it off in cooler weather > >or just leave it on and forget about it), is there any reason for this > >sort of setup. Is it a common thing to do on the FC's? > > Thanks, Doug Engel. Gunnison, Co, 1981 FC35SB, "Pokey" > > > > __________________________________________________________ > Watch free concerts with Pink, Rod Stewart, Oasis and more. Visit MSN > Presents today. > http://music.msn.com/ presents?icid=ncmsnpresentstagline&ocid=T002MSN03A07001 > > > > > > > Doug Engel, Gunnison, CO. 1981 FC35SB "Pokey" > > --------------------------------- > Don't pick lemons. > See all the new 2007 cars at Yahoo! Autos. > > [Non-text portions of this message have been removed] > Doug Engel, Gunnison, CO. 1981 FC35SB "Pokey" --------------------------------- Finding fabulous fares is fun. Let Yahoo! FareChase search your favorite travel sites to find flight and hotel bargains. [Non-text portions of this message have been removed] |
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