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240D Injector pump installation
I'm re-installing an injector pump in a 1975 240D and am not finding too much satisfaction with my Chilton's manual.
I have the marks aligned on the injector pump splined shaft (missing spline teeth) and the case (single reference mark). I have the engine setting at 45 degrees BTDC ready to install the pump, though the manual references some other marks aligned by removing some component on the pump and peering inside. This is my boggle. Some of the things I've read in this forum leave me thinking that setting the crank at 24 degrees BTDC is the correct setting So what is it, 45 or 24 degrees? Also, I recall a good reference to a bubble method of timing the pump, but I'm not having any luck finding it. Could someone point me in the right direction to locate this thread? Thanks, Chuck Whitt Washougal, WA |
#2
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DRIP method.
Sorry, man, I don't have the FSM here at home. Somebody does, though. Nothing in the DIY threads? Seriously, did you try a search. I'm sure that info is on here, somewhere.
Try "IP timing", or "IP install". Jay.
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On the road, currently: '83 300D (German spec.) 168k mi. - - Wolfgang (tucked snugly away for the winter!) '87 300D 375k mi. - finally went over to "The Dark Side" '87 300TD 225k mi. Cannondale 66cm CAAD5 w/Campy/Jamis Aurora Hujsak Custom Fixie/Landshark Track Shark Custom/Ahearne Custom 29'er |
#3
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My manual only goes back to 1977
615.912/94 24 degrees BTDC 615.913/940 26 degrees BTDC 616.617 24 degrees BTDC I did not see anything with 45 degrees. My Chilton manual has 74-81 240d as 24 BTDC
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84 300D, 82 Volvo 244Gl Diesel Last edited by Diesel911; 09-20-2009 at 01:42 AM. |
#4
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I would be surprised if it were 45 degrees, when you find out for sure, be sure to install the pump on the COMPRESSION stroke, dont just turn the engine from TDC to 24 (or what ever) and stick in the pump, make sure your on the compression stroke or it will run really bad if at all. Dont ask how I know
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
#5
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[QUOTE=82-300TD;2298200]That method is inaccurate and should be avoided entirely.
Have you ever tried it? As a matter of fact, its more accurate than it needs to be.
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
#6
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[QUOTE=82-300TD;2298207]Yes I have. Timing accuracy with the bubble "method" is all over the place, it can be off as much as 3* (verified with the drip tool).
if you were 3 degrees off using the bubble method I would suspect "operator error"
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" Last edited by Stevo; 09-21-2009 at 12:09 AM. |
#7
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240D Injector pump installation
Quote:
I do have a drip tube, and absent the debate I've started, that's the only way I've known how to time the pump. Unfortunately, the one and only time I did it, I had a broken pump (literally, a broken casing). I thought I might want to try the bubble method this time, but tried and true is good too. Thanks, Chuck Washougal, Washington |
#8
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I am wondering if the Crankshaft Damper even has 45 degrees before top dead center on it.
This is from 2-4 of my Cilton Manual I hope it will blow up enouh to read the text.
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84 300D, 82 Volvo 244Gl Diesel |
#9
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It should be set to 24.
The drip method is dead on accurate if you pay any attention at all to what you are doing. NOW, BE WARNED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Any time you start a diesel after serious injection pump service such as a pump change, ALWAYS have a 17MM open end wrench IN YOUR HAND!!!!!!!!! If the engine runs away upon start up or after blipping the throttle IMMEDIATELY loosen each injector line in turn at the injector. A half turn will be enough and the fuel will only dribble down the injector. Loosen them all until the engine dies. BTDT! |
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