I'm rebuilding the engine on my FSM after spinning a rod bearing. I replaced the crankshaft, rod, and all of the bearings. Lined up all the timing marks and secured the timing gears before I installed the timing cover. When I attempted to line up the flywheel 23 degrees before top dead center and the timing mark on the injector pump it wasn't even close. Probably 90 degrees off and way passed any possible adjustment. I will say when the tractor was running I attempted to time the injector pump and had the same problem. Also when it was running I needed to go to almost full throttle in order for it to run. I never could get it to idle down. I checked the injector coupling on the engine end and the key is intact. I haven't taken the nut off of the coupling on the injector pump yet but wonder if that may be the problem, or do I need to remove the timing cover again and recheck the gears.
Re: FSM Injector pump timing in reply to Jack Mayers, 12-11-2017 07:45:00
If all of your marks are lined up you should be able to just turn the ip to position and bolt up. If it doesnít run right take the ip back off and rotate 180 degrees and bolt back on. I donít know on the final timing but it should be close enough to run I would think.
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