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Maintenance Becoming a "White-collar Job"

10th October 1952
Page 33
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Page 33, 10th October 1952 — Maintenance Becoming a "White-collar Job"
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Descriptions of More New Items of Transport Service Equipment Shown at Earls Court Are Given in this Article, Which is Continued from Last Week's Issue NEW maintenance equipment exhibited at the Commercial Motor Show covered a great

variety of applications. Descriptions of many of the latest products appeared in last week's issue; this article deals with other items designed to increase workshop efficiency, Buck and Hickman, Ltd., featured three Roebuck products for operators of the Bedford S-type chassis. One was an engine stand, whilst the other two were gearboxand differential-extraction units. An improved version of the Simple Simon boring and sleeving stand, which incorporates a motor, was also exhibited.

Four new items of sheet-metalworking equipment were displayed by F. I. Edwards, Ltd., 359-361, Euston Road, London, N.W.1.

An accompanying illustration shows the Besco universal shearer, which has a maximum cutting capacity of 14-gauge mild steel. A new hand-lever-operated turret punch, designed for bench mounting, can accommodate punches and dies for holes from i to f in. diameter. The Besco wheeling and raising machine is especially designed for bodywork and is suitable for removing buckles and dents in rolled, pressed or beaten sheet metal. Pressure on the work is obtained by manipulation of a screw and nut on the lower fork. There is no obstructive mechanism above or below the fork, and no shaft or handle is provided, as the machine is intended for work by hand.

Edward's other new product is . a folding machine for forming various mild-steel sections with round or sharp bends, angle or channel sections with equal or unequal legs, trays, of flanges " on the edges of metal sheets.

Silentbloe, Ltd., Victoria Gardens, Ladbroke Road, London, W.11, has introduced a locating pin for use as a clamp for skin-riveting. Insertion and withdrawal are done by hand and clamping pressure is obtained by tightening a nut. Pins are being made for rivet holes of 3/32-in., Fin. and 5/32-in. diameter, and larger sizes may be available soon.

The Standard Startall, a portable mains-operated unit by means of which vehicles with flat batteries may be started in a few minutes, was shown by G.S.L. Products, Ltd., Greenford, Middx. This equipment obviates the necessity of using slave batteries. A two-way switch enables both 6-volt and 12-volt batteries to be dealt with. The Startall can also be employed for supplying current for an electrical test bench. It costs £48 10s.

An engine-fault analyser that is of particular interest to fleet owners has been produced by Crypton Equipment, Ltd., Bridgwater, Somerset. The unit is designated the model B.300 and is a smaller and less expensive variant of the model B.100. A complete check of an engine can be made by using only three sets of leads.

Crypton also shows new battery charging equipment. This includes attractively styled bench-mounting units with various outputs in one-, twoand three-circuit models.

An improved model of the UniTester, a pocket-sized unit that operates off a 6-volt or 12-Volt battery, has been produced by the Key-Leather Co., Ltd., Urswick Road, London, E.9. Equipment on both lowand high-voltage circuits can be tested by the Uni-Tester, production of which was held up until recently.

A new pneumatic motor, known as the model S.R.50, was displayed by Desoutter Bros., Ltd., The Hyde, Hendon, London, N.W.9. This unit, which measures only II ins, in diameter and is 61 ins, long, weighs 2 lb. 9 ozs. and develops nearly I h.p., with a torque of 720 in.-lb. Because of its compactness, it is ideal for group mounting, and can, in fact, be grouped one with another at 2-in. centres.

An important feature of the design is that the motor stalls against a cirttrolled air pressure, ensuring uniformity of tightening torque, which is controlled by regulators. The makers claim that the S.R.50 will have a great influence methods. on quantity-production A 71-cubic-ft. compressor has been introduced by the Laycock Engineering Co., Ltd., Milthouses, Sheffield, which has also reduced the price of its 12cubic-ft. unit to £195. The new machine develops a maximum pressure of 150 lb. per sq. in. and weighs 51 cwt. with three-phase electric motor.

The company's range of hydraulic trolley jacks has been redesigned. New models incorporate a system which allows the jacking member to be fully raised with one stroke of the handle when there is no load superimposed. When the load is taken up, pumping proceeds in the normal manner. The jack can be easily manceuvred, as the handle may be lodked. High-lift and low-lift versions of the 21-ton type are offered, raising to 3 ft. and 2 ft. 1 in. respectively. The 5-ton model is a low; lift jack.

A battery charger with a maximum output of 100 amps. has been introduced by Partridge Wilson and Co., Ltd., Leicester, England. The Davenset model R, as it is called, is mounted on wheels and has provision for either rapid or normal charging. Five 12-volt or 10 6-volt batteries may be charged simultaneously at 10 amps. by means of the bus-bars incorporated for normal charging. It is stated that a vehicle with a flat battery can be started immediately by using the rapidcharging facility.

Cylinder-boring bars with equipment for removing shavings and grit from the work in progress are available from Buck and Hickman, Ltd., Whitechapel Road, London, E.1. They are made by Storm-Vulcan, Inc., Dallas, Texas. The bars are lapped to the frame for accurate boring and no honing is said A32 to be necessary. Ten models are made. The smallest, the 190, can bore between 1,9 ins. and 3.75 ins, diameter, and the largest, the NK-6, between 3.5 ins. and 7.75 ins.

Paddon Precision Tools, Ltd., Glenburnie Road, London, S.W.17, is offering new designs of Thomsen honing, piston-turning and connectingrod boring machines. The pistonturning machine can deal with pistons up to 71 ins, long and from 1 31/32 ins. to 5 ins. diameter. The connecting-rod borer incorporates two motors and boring heads and the spindle may be rotated at any of four speeds from 1,500 r.p.m. to 325 r.p.m.

Spot welding equipment mainly intended for factory production rather than repair work, and therefore built to high standards, is being made by the A.R.O. Machinery Co., Ltd., 18, Madrid Road, London, S.W.13. The company's latest model embodies a thermic energy control by means of which rusted sheets may be welded together.

The type P.271 is a portable unit and the pressure at the electrode tips may be varied from 312-500 lb. per sq. in. to suit different thicknesses of material. The transformer is damp-proof and unaffected by heat. The gun is connected to a timer, a special feature of A.R.O. equipment, to control the intensity of the current, which is automatically switched on when the pressure of the electrodes reaches a predetermined figure and is cut off after a pre-set interval.

Bench-mounting types—M29, M30 and M30V—and pedestal models— M301, MM. M311 and M351—are also offered. A.R.O. machines are widely used by motor manufacturers in Britain.

Australian Products

A number of Australian products, some of which are of American conception, are being sold by C. L. Equipments, Ltd., Merridale Lane, Wolverhampton. Possibly the most ingenious is the Vesta triangle jack. This consists of a square plate on which are hinged the jacking arm and a handle extensible by screw action. The extremities of the arm and the handle are connected by a chain.

In use, the arm is placed beneath the axle, so that it is cradled by the chain. The chain is then pulled tight and secured to a hook on the handle, which is brought up against the frame of the vehicle. Virtually, a triangular stand is

formed that attaches to the chassis. Raising is effected by turning a handle.

The jack, which is used by the Australian Army and the road patrols of, the motoring associations in the Dominion, may be collapsed for carrying. It costs £4 19s.

Another Vesta unit is an electric oil changer which rapidly extracts the contents of the sump through the dipstick hole. The sediment and foreign matter extracted by the filter may be seen. It is primarily for proprietors of service stations, but can find useful employment in a big fleet owner's garage. The price is £94.

The company also offers the Autolab tester made by the Norman Harrison Co., Melbourne. This comprises five separate units for analysing the various parts of the electrical system, and the exhaust gases to ascertain combustion efficiency. The complete outfit costs £195; component items are available separately.

The automatic advance and retard of the distributor can be tested by another unit which gives a visual indication of the sparking phases beneath a transparent 360-degree protractor. This costs £205. C.L. is also selling Mac brake-drum and shoe gauges.

Uni-Gun Lubricating Equipment, Ltd., Coombe Bridge Works, Beverley Way, London, S.W.20, which, as recently announced, is to manufacture and sell .Stewart-Warner Alemite lubricating equipment in this country, has produced a self-contained mobile pump for dispensing underbody coating compounds, paint, glue and similar liquids from their containers. The Stuff Pump, as it is known, obviates the need for decanting the liquid into a pressure pot and then delivering it to the spray gun by superimposing an air supply on to the pot.

A quick-fixing air coupling is provided to accept the incoming air supply, and pressure regulators and indicators are incorporated. Any standard make of spray gun supplied by customers may be fitted free of charge. The model GP.4120 costs £65.


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