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This has been overcome by Clayton Dewandre Ltd. (Titanic Works, Lincoln) by making the "Multi point" lubricator on the chassis actuate a distributor AUTOMATIC valve which, in turn, operates an automatic lubric ator on the trailer. The valve is built into the blank CHASSIS LUBRICATION cover of either a 24 or 30-point unit and is supplied from the vacuum or air-operated brake reservoir on the tractor vehicle and connected to the trailer FOR TRAILERS lubricator through a flexible hose and coupling. A second revolving face cam in the "Multipoint" lubricator causes the distributor valve to open permitting vacuum, or air pressure, to be com THE illustrations show a recent application of a municated to the trailer lubricator, which is then Clayton Dewandre "Multipoint" automatic released. This action produces impulses which chassis lubricator employed for the lubrication of operate the trailer lubricator at the same feed rate both vehicle chassis and trailer of a Scammell S- as the tractor "Multipoint" lubricator. wheeled articulated lorry. It is necessary for a The lorry illustrated, belonging to the Ever Ready trailer of this type to be lubricated on a mileage basis, Co. (G.B.) Ltd., and covering 700/800 miles per week, and the most convenient method of doing this is by employs a 36-point "Multipoint" lubricator feeding means of a belt drive. Although it would be easily 38 tractor chassis bearings (four less important ones possible to arrange for the lubricator to be actuated having split feeds), as follows :— Front and rear by a pneumatic cylinder connected into the brake spring shackles and pins, 12 points ; steering drag link and track rod, 4 points ; king pins, 4 points; brake, clutch and accelerator linkage bearings, 12 points ; turntable, 4 points. The semi-trailer is fitted with an air-operated 24-point automatic lubricator feeding 19 separate chassis bearings (four points having double feeds) thus :— 1st and 2nd axle fixed spring pins, 4 double feed points ; 1st and 2nd axle shackle pins, 8 points ; balance beam centre bearing, 2 points ; brake gear, 5 points ; the remain ing feed point on the lubricator is used to lubricate the air pressure Servo piston of the lubricator. persona l . . . Stanley Scott Wood of the Vacuum Oil Company has been awarded the B.E.M. for brave conduct during the recent floods at the Coryton Refinery. The tractor portion of the Scammell 8-wheeled artic Vernon L. Farthing, M.I.Mech.E., M.I.Mar.E., ulated lorry is fitted with a "Multipoint" lubricator M.Inst.Pet., has been elected President of the Liver and belt driven from the transmission. The pipe runnin g above th e lubricator leads t o the flexible hose pool Engineering Society. Mr. Farthing, a Consult and trailer coupling seen above. In the lower illustra ing Engineer with offices in Liverpool, London, tio n can be seen the air operated automatic lubricator Birmingham and Manchester, is Managing Director of actuated by th e tractor lubricator. V. L. Farthing & Co. Ltd., Vernon Engineering Co. Ltd., and Veco Products Ltd. Past President of the Liverpool Metallurgical Society, Mr. Farthing recently became the first Honorary Vice-President of that Society, and he is also a Committee Member of the North West Branch of the Institute of Marine Engineers. Samuel A. McKee retired recently after thirty-two years service with the National Bureau of Standards, Washington. Mr. McKee is a prominent specialist in the field of lubrication, and as chief of the NBS Lubrication Section he has been responsible for the Bureau's basic and appplied research in engines and lubrication, including testing of lubricants and liquid fuels, research on viscosity and maintenance of viscosity standards. Sir Henry Wilson Smith, a director of Vacuum Oil Company, is to be Chairman of a committee set up line of the vacuum pressure brake system, the by the Board of Trade to review the long-term infrequency of brake application might well prevent problems of duty-free entry of machinery into the U.K. efficient and regular trailer (or chassis) lubrication. Scientific LUBRICATION 35 May, I953
Industrial Lubrication and Tribology – Emerald Publishing
Published: May 1, 1953
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