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RosaMaster DB

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dwag

Member
Put an exchange pump/injectors on a Case 580B loader BH and thing won't fire but will run on either. No stuck valves, fresh fuel, can hear inj's "chirping" but little smoke from exhaust.Acts like timing half off and wondering if internal pump timing could be off? Bad news is starter drive is now laying is bellhousing so further trouble shooting is out the door and have to split tractor to get pieces out. Approx 5hrs on fresh major OH in 2013, pump was a rusted mess w/stuck metering valve, thinking low compression due to rings not sealing? Soy diesel hasn't helped matters any imho.
 
Agree with Al, probably 180 off timing wise. Pull the valve cover and get valves rocking/overlap on cylinder four, exhaust almost closed and intake starting to open to make sure engine is on number one compression. Then align the pump marks as needed. Hopefully the pump internal mark is where it belongs, it can be 180 off too...
 
Pump shop just said no chance for 180 of on internal timing, suppose I could tell by looking at outlets in head and see if hole in rotor is visible in # 1 or #4 when timing lines are aligned? This is after pump is removed as cust is going to salvage hoe.
 
I have seen weight assembly installed with the timing marks not skribed correctly. I have seen the drive shaft installed 180 out, And I have seen the weight assembly installed 180 out. I you would like to call me I can explain how to test the timing marks. Is there any chance the fuel lines are not in the right order?? I have seen this also. Al 231/757/0064
 
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