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Mobile Transformer-oil Filtration Outfit

18th April 1958, Page 69
18th April 1958
Page 69
Page 69, 18th April 1958 — Mobile Transformer-oil Filtration Outfit
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DASED on an Austin oil-engined longLI wheelbase chassis, a mobile transformer-oil filter unit has been supplied to C. C. Wakefield and Co.; Ltd., by Wimbledon Motor Works, Ltd., 29 High Street, London, S.W.19. The vehicle was built by Scottorn, Ltd., 173 Kingston Road, New Malden, Surrey.

At the rear of the body is a Mono pump which may be driven either by a mains electric motor or an Austin A35 engine. These two sources of power are co-axial and each drives through a Twiflex centrifugal clutch' cutting out at below 700 r.p.m. The engine is started on petrol but may run on paraffin when warm. Its Weyburn constant-speed governor can be over-ridden during the warming-up period. When operating the pump, the engine runs at 1,450 r.p.m.

The Metafilter unit stands in the middle of the body and is secured directly to the chassis members. Oil pumped from a transformer passes through a water separator before entering the filter column, the elements of which may be withdrawn through a roof hatch for cleaning. At the front of the body is a 400-gal, tank, divided into two equal compartments, in which oil may be stored.

A power take-off on the -gearbox can be used separately from the independent means for driving the Mono pump, or as a standby to them. At the front near side are two 60-ft. reels of 11-in.-bore lightweight reinforced rubber hose. These can beextended by the use of two similar reels accommodated on each side at the rear. Access to the four reels is provided by opening doors in the skirt panels.

Further extension is possible by the connection of 40 10-ft. lengths of hose housed under the floor and accessible behind hatches. Use of all the hoses enables the vehicle to operate about 100 yd. from a transformer.

Other hatches on the off side conceal the petrol and paraffin tanks for the A35 engine, whilst a 20-gal. drain pan for the filter can be withdrawn from underneath.

The body itself is of conventional construction, with a sliding shutter on the near side and a door at the rear.


Locations: Austin, Surrey, London

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