Rotate the magneto drive slowly against it’s rotational sense (counterclockwise for SLICK 4230, 4330 clockwise for SLICK 4201, 4301) until the locating pin engages. – “L” of the distributor cap for SLICK 4201, 4301 magnetos. – “R” of the distributor cap for SLICK 4230, 4330 On E0-, EB- andĮC-type engines the clearance is adjusted by means of gaskets or shims placed underneath the magneto flangeģ.Push locating pin W 113 into the bore marked: The difference to the calculated clearance is adjusted by means of gaskets for the EA-type engines (there are two thicknesses available 0.5 and 1.0 mm). The nominal installation clearance is 1.0 to 1.5 mm for EA-type engines and 2.0 to 3.5 mm for E0-, EB- and EC-type engines. Insert values into the formulas and calculate the clearance.įormulas: a – c = clearance and b – d = clearance select smaller value

To do so, determine the dimensions a, b, c and d. Installation of magnetos type SLICK 4201, 4230, 4301, 4330Ģ.Check clearance of the magneto. Note: it may be necessary to remove the ignition harness after removing the magneto on inconvenient engine installations. Note: mark position of harness cap relative to the magneto before removing.Ħ.Unscrew fastening bolts for the magneto and remove it. timing pin engages on L 2400 EB1.AD engines).Ĭaution: If the engine is equipped with a vacuum pump, turning of the engine against its rotation sense must be reduced to the absolute minimum.Ĥ.Remove ignition harness from the magneto. 30Â°) and thereafter rotate the engine backwards to the firing position (timing mark and crankcase parting surface line up resp. Turn engine slowly until the impulse coupling of the magneto “snaps” (apprx. If this is not the case rotate theĬrankshaft one full revolution. The valves of the no.2 cylinder must either be crossing over or the no.1 cylinder must be at the end of it’s compression cycle (feel pressure buildup by closing the spark plug bore of the no.1 cylinder by closing it with your thumb while rotating the crankshaft). starter ring gear lines up with the parting surface of the crankcase (on the L 2400 EB1.AD the timing pin P/N: 803.001.125 fits through a bore in the accessory case and must engage with a notch in the fly-wheel). Rotate the engine at the crankshaft until the timing mark on the propeller hub resp. Most Grob 109 aircraft fitted with Limbach engines use a 4230 Slick Magneto Removal – and installation of magnetoĢ.Remove high tension leads from the spark plugs.ģ.Rotate engine to firing position as follows:

Magneto timing light circuit