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Simple two-stroke engines are lubricated by oil mixed into the fuel or injected into the induction stream as a spray. Early slow-speed stationary and marine engines were lubricated by gravity from small chambers similar to those used on steam engines at the time — with an engine tender refilling these as needed.
The reservoir is normally large enough to provide sufficient chain oil between refueling. Lack of chain oil, or using an oil of incorrect viscosity, is a common source of damage to chainsaws, and tends to lead to rapid wear of the bar, or the chain seizing or coming off the bar. In addition to being quite thick, chain oil is particularly sticky ...
Homelite Super XL 12 automatic Chainsaw. Homelite Corporation is an American power equipment manufacturer, i.e. (chainsaws, leafs blowers, trimmers), that became notable for being one of the largest post-World War II manufacturers of portable electrical generators and professional and consumer level chainsaws, as well as holding the distinction of producing the world's first one-man operated ...
Engine model, with provisions for O-435-C accessories carburetor, producing 175 hp (130 kW) at 2300 rpm, with a compression ratio of 6.25:1, a dry weight of 368 lb (167 kg) and fitted with a Marvel MA-4SPA carburetor. Type certified on January 2, 1948. [1] O-435-K Engine model that incorporates a GO-435-C2 accessory case and crankcase.
Unimog 435 (U 1300 L) Mercedes-Benz L 322 (LAF 1113) Type designation 352.919 353.961 Configuration Water-cooled Straight-six Operating principle Diesel Valve system OHV, two valves per cylinder Aspiration Natural Turbocharged Natural Turbocharged and intercooled Oil system Wet sump Fuel system Direct injection Bore × Stroke 97 mm × 128 mm
Two piston rings mounted on a two-stroke engine piston. The ring gap for the bottom ring is visible in the centre of the image. A piston ring is a metallic split ring that is attached to the outer diameter of a piston in an internal combustion engine or steam engine.
A gauge changer is a device which forces the gauge adjustment in the wheels. Designs consist of a pair of running rails that gradually vary in width between the two gauges, combined with other rails and levers to perform the following steps, using Talgo RD as an example: Verify that all vehicles in train are suitable for Gauge Change.
Short-chain fatty acids (SCFAs) are fatty acids of two to six carbon atoms. [1] The SCFAs' lower limit is interpreted differently, either with one, two, three or four carbon atoms. [ citation needed ] Derived from intestinal microbial fermentation of indigestible foods, SCFAs in human gut are acetic, propionic and butyric acid.