Gully-emptier for 4-ft. Passages
Page 49
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PIA GULLY-EMPTIER which can work in passages only 4 ft. wide has been designed and built by Doncaster Highways Department in collaboration with the borough surveyor. Built to take the Contents of 300 small gullies, the outfit . cost approximately £300., It" is, normally operated by two men, but it is possible for one operative to use it.
The equipment is mounted on a Wrigley three-wheeled chassis powered by a Villiers 1I h.p. engine. A similar engine drives the Reayell'exhauster, which works satisfactorily With a 15-in. vacuum. The engines are interchangeable, and a spare unit is lept in case 'of emergency.
INTo reverse gear is provided on the truck, but as the front end is mounted on a single wheel the outfit can be revolved through '180 deg. The sludge tank has a capacity of 60 .gal. A herinetiCally sealed door holds the vacuum. A small clear-water compartment has been --formed by inserting a filter towardi, the front end of the tank. Water from the main tank
• passes iltrattgli4hiscompartment to seal the • gullies •• after',they have been emptied.
Iii a 'period of .21. working . daYs the .. outfit has . „emptied 3,500 gullies. Hitherto, it tOolc'four men five 'weeks
to empty with the aid of buckets •
gullies .sittiated in Dancasier's narrow
• passages.... .
Gullies in passages less than 4 ft. wide have Still' to be triaptied' by. band into rubber buckets carried on the rear of the machine. • The contents -of the buckets are then 'drawn into the tank by the same means as ent tying a gully.