The cast iron cylinder head is fastened to the crankcase by hexagon-head bolts. The alloy oil sump is bolted to the crankcase. A side cover seals the valve lifter chamber. At the front, an alloy timing cover encloses helical gears driving the camshaft and injection pump off the crankshaft. The generator, starter motor, oil dipstick and breather pipe are on the left. The injection pump and oil filter are located on the right hand side of the engine (as seen from the flywheel end). It is also possible to reline the block back to standard bore. Overhaul Manual for Thermo King Diesel Engine Mercedes-OM636 (FORM TK4129-2 (9 - 69)) on.Mercedes OM636 Parts - Download as PDF File (.pdf), Text File (.txt) or view presentation slides online.Re-boring is possible up to a maximum bore of 77mm. The cast iron crankcase has integral cylinders with a standard bore of 75mm.
OM 636 TECHNICAL DESCRIPTION The OM 636 is a water-cooled, vertical diesel engine with a power rating of between 25 and 42 HP at maximum speed dependent on the fuel injection equipment fitted.