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DISCO3.CO.UK > Webasto Fuel Burning Heater

Cleaning the burner unit
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chrisoverson
 


Member Since: 10 Dec 2020
Location: Bideford
Posts: 29

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3
Cleaning the burner unit

I've ordered a spare FBH I'm going to give a REALLY good clean and service before installing.

Got new sensors, new seals, new screws everything for it, except the burner.

I have a heated ultrasonic cleaner and carb cleaning fluid for it - I'm going to use this for the heat exchanger, but can I remove the glowplug, gaskets etc and run the burner unit through too?

As far as I can see there's nothing in there that should be damaged from this, just looks like all metal?

Thanks! Smile
  
Post #22089518th Feb 2021 12:59 pm
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aja4x4
 


Member Since: 14 Apr 2019
Location: Westbury
Posts: 2459

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

Yes you can but they don't really get dirty
 Andrew

D3 2.7tdv6 2005
D4 3.0 SDV6 Commercial died and gone to LR heaven
D5 3.0 SDV6 HSE 
 
Post #22089608th Feb 2021 1:25 pm
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chrisoverson
 


Member Since: 10 Dec 2020
Location: Bideford
Posts: 29

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Thanks Smile

Just want to get the most of my bottle of cleaning stuffs Smile
  
Post #22089678th Feb 2021 1:50 pm
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Motolab
 


Member Since: 18 Oct 2019
Location: Sleen
Posts: 1815

Netherlands 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Almost every post about FBH malfunctioning here on this forum is about cleaning...

Polution is never the cause of malfunctioning on a TT-V or EVO.... it is the otherway arround the cause is poluding the FBH

One exeption: if it runs for only less than 10 minutes quite often.... (going to the corner or fuel station down the road for cigarettes etc..)

Burner nozzle and glowplug system are the main reasons for malfunctioning aside, fuelpump, air in the fuel line, dirty cloaked noise damper (looks like an airfilter but it isn’t) or ecu (seldom)


Open it up and Cleaning it, just to use your fluid and apparatus, will cause more damage than it will solve issues.. so beware why and what you are doing..
 Best regards
Harold

Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year

Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc. Wink 
 
Post #22089858th Feb 2021 4:01 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Done lots of these, 99.9 percent of the time it is the glow plug and gauze/mesh/felt stuff that is at fault, never cleaned one out.
  
Post #22089868th Feb 2021 4:13 pm
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chrisoverson
 


Member Since: 10 Dec 2020
Location: Bideford
Posts: 29

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Thanks guys, helpful stuff.

I'll be careful when I take it apart, already done that 3 or 4 times now Smile.

As for the burner unit... is it worth me just buying a new one to get a new plug or stick with mine as it works for the minute?

There's no gauze in mine that I've found... Whistle although I have seen it for sale on advanced factors I didn't know where it went.

I just want to do a good job of it so the bloody thing can stay in next time Rolling with laughter getting tired of playing with it.

My coolant sensor needs replacing so I'm stripping it down anyway.
  
Post #22089978th Feb 2021 5:27 pm
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