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New fuel pump on back order

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Roger Lee

Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.

Posted: Mon Jun 27, 2011 11:06 am Post subject: New fuel pump on back order

I just heard that the company supplying Rotax with the new fuel pumps just back ordered them. That means they could still be a month away. It's a wait and see.

_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056

lucien

Joined: 03 Jun 2007
Posts: 721
Location: santa fe, NM

Posted: Mon Jun 27, 2011 3:30 pm Post subject: Re: New fuel pump on back order

 	  Roger Lee wrote: 	
		  I just heard that the company supplying Rotax with the new fuel pumps just back ordered them. That means they could still be a month away. It's a wait and see. 	




So does this new fuel pump mean the old one isn't broke, but they fixed it anyway 



LS

_________________
LS
Titan II SS

rampil

Joined: 04 May 2007
Posts: 870

Posted: Tue Jul 05, 2011 7:22 am Post subject: Re: New fuel pump on back order

Rotax has a history of incremental engineering improvements in

their engine lines.



I believe this preferable to the frozen in stone, nearly ossified

Lycosaurus clan.

_________________
Ira N224XS

Roger Lee

Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.

Posted: Tue Jul 05, 2011 9:33 am Post subject: Re: New fuel pump on back order

I hear Lockwood received the new fuel pumps. I think CPS should have theirs this week too.

_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056

JohnF

Joined: 13 May 2010
Posts: 124

Posted: Tue Jul 05, 2011 9:49 am Post subject: New fuel pump on back order

I see no present reason to replace the original fuel pump with the 'new' 

unit. Should I await some problem before doing something, or should I go 

ahead and replace it before problems (if any) arise?



JohnF

---

rampil

Joined: 04 May 2007
Posts: 870

Posted: Tue Jul 05, 2011 11:21 am Post subject: Re: New fuel pump on back order

Unless there is a notice from the factory that replacement must

be done immediately, or in the next X flight hours, there is no

requirement to replace an updated part.

_________________
Ira N224XS

Roger Lee

Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.

Posted: Tue Jul 05, 2011 11:28 am Post subject: Re: New fuel pump on back order

I wouldn't bother with a new pump unless my old one went bad.

_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056

pchristensen10(at)austin.
Guest

Posted: Tue Jul 05, 2011 12:03 pm Post subject: New fuel pump on back order

Not to worry.  When my old fuel pump went bad, fuel just dripped on my 

hot exhaust.  No problem. I just flew lower so I could land before I 

burned up ;>)



Pete

On 7/5/2011 2:21 PM, rampil wrote:

 	  Quote: 	
		   



 Unless there is a notice from the factory that replacement must

 be done immediately, or in the next X flight hours, there is no

 requirement to replace an updated part.



 --------

 Ira N224XS





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=345001#345001

ollie6a(at)embarqmail.com
Guest

Posted: Tue Jul 05, 2011 12:39 pm Post subject: New fuel pump on back order

Fuel Pumps good or bad---- While on our annual trip to Pittsburgh from

Florida last weekproble in the S7S while checking the plane at FWQ I

noticed a fuel stain on the front of engine. Next I felt the fuel pump

and it was wet and dripping and I then turned on the electric fuel

pump and the fuel just about poured out of the eng fuel pump. Due to

the location of the fuel pump I consider this a very serious problem.

  I was able to get a new pump from Lockwood over nighted and we

continued the trip. My plane has 850 hrs on it and the pump had about

650hrs as the original was replaced by a SB under warranty.

  Ollie



On Tue, Jul 5, 2011 at 1:33 PM, Roger Lee <ssadiver1(at)yahoo.com> wrote:



 	  Quote: 	
		   



 I hear Lockwood received the new fuel pumps. I think CPS should have theirs this week too.



 --------

 Roger Lee

 Tucson, Az.

 Light Sport Repairman - Maintenance Rated

 Rotax Repair Center

 Home 520-574-1080  TRY HOME FIRST

 Cell 520-349-7056





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=344981#344981




	


-- 

 	  Quote: 	
		  From Central Florida,

 Ollie

ollie6a(at)embarqmail.com
Guest

Posted: Tue Jul 05, 2011 12:47 pm Post subject: New fuel pump on back order

Roger, with the location of the pump I'm not with you on this one.



On Tue, Jul 5, 2011 at 4:00 PM, Pete Christensen

<pchristensen10(at)austin.rr.com> wrote:

 	  Quote: 	
		   

 <pchristensen10(at)austin.rr.com>



 Not to worry.  When my old fuel pump went bad, fuel just dripped on my hot

 exhaust.  No problem. I just flew lower so I could land before I burned up

 ;>)



 Pete

 On 7/5/2011 2:21 PM, rampil wrote:

>

> 

>

> Unless there is a notice from the factory that replacement must

> be done immediately, or in the next X flight hours, there is no

> requirement to replace an updated part.

>

> --------

> Ira N224XS

>

>

> Read this topic online here:

>

> http://forums.matronics.com/viewtopic.php?p=345001#345001

>




	


-- 

 	  Quote: 	
		  From Central Florida,

 Ollie

Roger Lee

Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.

Posted: Tue Jul 05, 2011 1:26 pm Post subject: Re: New fuel pump on back order

Hi Ollie,



I'm not sure what you mean by location?

If your fuel pump leaks or the diaphragm goes bad by all means change it, but I don't see a reason to toss a pump in good working order out to just install another pump, which as of right now is unproven just like the last pump was for the first year.

_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056

ollie6a(at)embarqmail.com
Guest

Posted: Tue Jul 05, 2011 2:06 pm Post subject: New fuel pump on back order

This may be true, but I just changed mine on a trip because I noticed

a fuel stain on front of engine and when I turned on the electric pump

fuel just about poured out of the eng. fuel pump. Now the problem I

see with this is the fuel pump sets right over the exhaust and being

on the front of the engine leaking fuel can blow back over the hot

engine.



On Tue, Jul 5, 2011 at 5:26 PM, Roger Lee <ssadiver1(at)yahoo.com> wrote:

 	  Quote: 	
		   



 Hi Ollie,



 I'm not sure what you mean by location?

 If your fuel pump leaks or the diaphragm goes bad by all means change it, but I don't see a reason to toss a pump in good working order out to just install another pump, which as of right now is unproven just like the last pump was for the first year.



 --------

 Roger Lee

 Tucson, Az.

 Light Sport Repairman - Maintenance Rated

 Rotax Repair Center

 Home 520-574-1080  TRY HOME FIRST

 Cell 520-349-7056





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=345029#345029




	


-- 

 	  Quote: 	
		  From Central Florida,

 Ollie

bob(at)fly-ul.com
Guest

Posted: Tue Jul 05, 2011 2:22 pm Post subject: New fuel pump on back order

 	  Quote: 	
		  

This may be true, but I just changed mine on a trip because I noticed

a fuel stain on front of engine and when I turned on the electric pump

fuel just about poured out of the eng. fuel pump. Now the problem I

see with this is the fuel pump sets right over the exhaust and being

on the front of the engine leaking fuel can blow back over the hot

engine.


	


Rotax made two visible design changes with this new pump.



(1) it's now "bolted together" instead of being pressed together. Apparently, there were failures at the crimp, where the two halves of the pump were crimped together.



(2) Instead of a weep hole (or whatever its called), they now have a regular fitting on the pump, where a "drain line" is connected. This is to allow raw fuel to be drained away from hot parts of the engine.



But I agree with the pump location. Its awful hard to avoid hitting the cylinders, or the hot muffler underneath the engine, should raw fuel come out of it, even with the new drain line. I suppose one could get fancy and route the new drain line away from all those areas.



--

Bob Comperini

e-mail: bob(at)fly-ul.com

WWW: http://www.fly-ul.com

pchristensen10(at)austin.
Guest

Posted: Tue Jul 05, 2011 2:28 pm Post subject: New fuel pump on back order

When my pump failed, it dripped fuel on the exhaust.  Roger told me it 

was a failing fuel pump.  Could be, that's why the older pump was 

changed.  I would consider running the engine, shut it down and check 

for fuel pump leaks before each flight.



Pete



On 7/5/2011 4:26 PM, Roger Lee wrote:

 	  Quote: 	
		   



 Hi Ollie,



 I'm not sure what you mean by location?

 If your fuel pump leaks or the diaphragm goes bad by all means change it, but I don't see a reason to toss a pump in good working order out to just install another pump, which as of right now is unproven just like the last pump was for the first year.



 --------

 Roger Lee

 Tucson, Az.

 Light Sport Repairman - Maintenance Rated

 Rotax Repair Center

 Home 520-574-1080  TRY HOME FIRST

 Cell 520-349-7056





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=345029#345029

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