WebDec 31, 2013 · Step Timing Control, commonly referred to as STC, controls the engine timing in an effort to minimize white smoke at cold engine start-up. Refer to Step Timing Control Familiarization, Bulletin 3387380, for addition information on STC. STC has two stages of injection timing. WebOct 27, 2008 · Slowly adjust the pressure regulator to increase the air pressure until the oil pressure drops below 55 kPa [8 psi]. Record the air pressure at this point. This is the upper shift-point (A). The sound of the overhead will become quieter when the 55 STC Oil Control Valve (Mechanical) Page 4 of 10
setting unit injector tolerance on non STC Cummins ISM
WebMay 6, 2016 · A Cummins L10 came in for injector replacement. Injector replacements are, generally speaking, an easy repair. You remove all parts in the way of pulling and … WebJun 29, 2011 · 379Longhood said: I don't think L10 S were ever electronic, start the engine from cold and measure the exhaust port temperatures, if you don't have a temp gun , just spray each port with penitrating oil, the lazy cyl will take longer to vapor dry. Yes almost all L10 was mechanical injector. R. expiration\u0027s wo
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Webinjectors using the OBC (Outer Base Circle) method. The information contained here applies only to those engines with STC injectors that are set using the OBC method. This information was compiled from information provided by Cummins Engine Co. and is believed to be reliable. Please consult your service manuals for additional details. WebMay 19, 2024 · If all you want to do is a valve, injector set, then just follow the instructions in your manual. In a nutshell that might be: a)Remove valve covers and Jake housings … WebMar 11, 2024 · 5 03-11-2024, 08:04 PM. Cummins STC injectors are bench height calibrated during overhaul with a special fixture to adjust the top stop nut, and when you install them on the engine, you only should use this torque wrench tool that is calibrated to 6 in.lb of torque to adjust the rocker arm plunger tension: expiration\\u0027s wr