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  #1  
Old 05-09-2014, 08:50 PM
moon161's Avatar
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60x fuel system

New to me 87 190D 2.5 . How does fuel system work? Is it similar to 61x like on 240D?

Interest is setting up for 2 tank D2 and WVO.
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  #2  
Old 05-10-2014, 08:55 PM
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There is a fuel preheater in the system. Otherwise it's pretty similar to the 61x.

The flow is tank -> prefilter-> preheater valve -> preheater (if the thermostat in the valve is cold, otherwise it's bypassed in the preheater valve -> preheater valve -> lift pump -> main filter -> IP -> injectors -> injector return/main filter bleed/IP return -> tank.

Also note that there is no hand primer on the 60x IPs. If you get air in the system you will have to crank like crazy to re-prime.
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The OM 642/722.9 powered family
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)
2008 ML320 CDI (Older sonís DD)
2008 E320 Bluetec (Younger son's DD)

1998 E300DT sold to TimFreeh
1987 300TD sold to vstech
----------
gone but living on
1983 240D (body to greazzer, engine to t walgamuth)

Last edited by jay_bob; 05-11-2014 at 06:57 PM. Reason: updated flow description
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  #3  
Old 05-11-2014, 12:10 AM
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Thanks.

Hmm. I wonder if a primer pump could be added someplace. Under the manifold tho.
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82 Benz 240 D, Kuan Yin
12 Ford Escape 4wd

You're four times
It's hard to
more likely to
concentrate on
have an accident
two things
when you're on
at the same time.
a cell phone.


www.kiva.org It's not like there's anything wrong with feeling good, is there?
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  #4  
Old 05-11-2014, 12:22 AM
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Quote:
Originally Posted by jay_bob View Post
There is a fuel preheater in the system. Otherwise it's pretty similar to the 61x.

The flow is tank -> prefilter-> lift pump -> preheater valve -> preheater (if the thermostat in the valve is cold, otherwise it's bypassed in the preheater valve -> preheater valve -> main filter -> IP -> injectors -> injector return/main filter bleed/IP return -> tank.

Also note that there is no hand primer on the 60x IPs. If you get air in the system you will have to crank like crazy to re-prime.
Actually the fuel flow would be in tank screen>primary filter>thermovalve>preheater with valve cold, lift pump otherwise>secondary filter>IP>injectors>return from injectors and IP pressure regulated outlet>secondary filter> return to tank
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  #5  
Old 05-11-2014, 09:32 AM
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Thanks, could anyone point me to a schematic?

Sounds like similar changes would be made to greasing a 61x.

Route secondary filter to suction sided of lift pump, output to IP, and block the bridge between the injector overflow and secondary filter.

2X 3 port valves to switch between D2, VO and flush.
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CC: NSA

All things are burning, know this and be released.

82 Benz 240 D, Kuan Yin
12 Ford Escape 4wd

You're four times
It's hard to
more likely to
concentrate on
have an accident
two things
when you're on
at the same time.
a cell phone.


www.kiva.org It's not like there's anything wrong with feeling good, is there?
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  #6  
Old 05-11-2014, 06:44 PM
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Quote:
Originally Posted by OM603 View Post
Actually the fuel flow would be in tank screen>primary filter>thermovalve>preheater with valve cold, lift pump otherwise>secondary filter>IP>injectors>return from injectors and IP pressure regulated outlet>secondary filter> return to tank
You are correct, I was trying to post it from memory. I updated my post above.
__________________
The OM 642/722.9 powered family
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)
2008 ML320 CDI (Older sonís DD)
2008 E320 Bluetec (Younger son's DD)

1998 E300DT sold to TimFreeh
1987 300TD sold to vstech
----------
gone but living on
1983 240D (body to greazzer, engine to t walgamuth)
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  #7  
Old 05-11-2014, 10:43 PM
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So, slightly more complex than brick simple, but still able to fit on one or two napkins. Maybe a placemat instead. I love places that have the paper placemats for doodling and such.
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CC: NSA

All things are burning, know this and be released.

82 Benz 240 D, Kuan Yin
12 Ford Escape 4wd

You're four times
It's hard to
more likely to
concentrate on
have an accident
two things
when you're on
at the same time.
a cell phone.


www.kiva.org It's not like there's anything wrong with feeling good, is there?
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  #8  
Old 05-11-2014, 10:54 PM
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1991 350 SDL Conversion to WVO
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Greg
2012 S350 BlueTEC 4Matic
2007 ML 320 CDI
2007 Leisure Travel Serenity
2006 Sprinter 432k
2005 E320 CDI
1998 SLK230 (teal)
1998 SLK230 (silver)
1996 E300D 99k, 30k on WVO
Previous:
1983 240D, on WVO
1982 300D, on WVO
1983 300CD, on WVO
1986 300SDL 237k, 25k on WVO (Deerslayer)
1991 350SDL 249k, 56k on WVO - Retired to a car spa in Phoenix
1983 380 SEC w/603 diesel, 8k on WVO
1996 E300D 351k, 177k on WVO

2007 ML320 CDI .. / 2005 E320 CDI .../ 1998 SLK 230 .../ 1991 Daihatsu Rocky
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  #9  
Old 05-13-2014, 12:06 PM
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Very nice, thanks Greg.
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82 Benz 240 D, Kuan Yin
12 Ford Escape 4wd

You're four times
It's hard to
more likely to
concentrate on
have an accident
two things
when you're on
at the same time.
a cell phone.


www.kiva.org It's not like there's anything wrong with feeling good, is there?
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