Wars build own bodies for Terriers
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TEN Leyland Terrier 91/2-ton-gross refrigerated vans are now being allocated to various Wall's Ice Cream depots throughout Britain.
They are supplied by Lex Tillotson Gloucester to T. Wall and Sons (Ice Cream) Ltd, Gloucester — Wall's own vehicle engineering services built the bodies.
At the front, the bodies have a full-width 15in (380mm) long uninsulated compartment for dry goods, such as ice-cream cones and wafers. Access to this compartment is from either side.
The double-skinned aluminium-alloy construction of the main refrigerated section includes heat barriers of glass-reinforced plastics sheet. Insulation is 100mm (3.9in) polyurethane foam sprayed in situ.
Each body offers a payload space of 3.86m x 2.14m x 1.88m high (12ft 8in x 7ft x 6ft 2in) which can accommodate either six standard pallets or eight roll-pallets of ice cream.
At the back of the body are two doors, each of one-third body width. The central door provides normal entry for the driver, using a fold-up set of steps; the other door is opened as well when pallets have to be taken on or off.
Refrigeration is by a Prestcold AS 300 semi-hermetic unit, working in conjunction with eight Winget-Dole eutectic plates — six in the ceiling, one at the front, and one at the nearside rear.
The Prestcold unit cools the eutectic plates overnight, from mains electricity; then the eutectic plates absorb unwanted heat throughout the day's work. Unladen each van weighs 4.95 tonnes (4 tons 171/2cwt), which provides a working margin of 41/2 tons for payload.
The polyurethane foam insulation is sprayed on in four passes of 25mm thickness a time. When it sets, each layer forms a surface skin which acts as a vapour barrier, supplementing the bitumenbased vapour sealing applied on each side of the complete insulation wall.
Wall's have designed this type of body for a life of at least 10 years and to a standard size to suit other chassis besides those of the Leyland Terrier range.