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Maintenance Q and A
• A great deal of interesting technical information, as well as useful guides to vehicle maintenance, is contained in Commercial Vehicle Maintenance, Questions and Answers by R. W. Bent, a senior area mechanical engineer of the Ministry of Transport. The book has 57 pages—no illustrations—and is published by Sir Isaac Pitman and Sons Ltd., Pitman House, Parker Street, Kingsway, London, WC2, at fis.
Each of the 11 chapters is divided into two sections, one on construction and one on maintenance. The sections on construction indicate the function and purpose of the component assemblies under review, in addition to their constructional features. In the case of the chapter on engines, comparisons are made between petrol and diesel engines and between various types of diesel. Methods of calculating bhp /torque, thermal efficiency and so on are also included. Other chapters deal with the injection system and fuel supply, lubrication and cooling, clutch and gearbox, propellor shaft and rear axle, front axle and steering gear, chassis and suspension, braking systems, articulated vehicles and trailers, electrical equipment, wheels and tyres. And it is notable that the causes of common faults as well as suggested rectification procedure are outlined in all the sections on maintenance.
Quick to read and digest, the book is very good value. The theory it includes is pertinent to the practices recommended, which are obviously based on a practical awareness of maintenance requirements.