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ir-cooled drive
Page 93
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fluid radiator cooled by an iraulically driven fan has been reloped by Drum Engineering optional use in the company's Jraulic drives of pump;charge and pressurecharge tanker systems. The liator takes the place of a gal reservoir and is mounted the tractive unit. Including I 14gal of fluid in the header ik, the total amount of fluid in I radiator-cooled system is Dut 2-gal and the reduction in fluid required saves 160lb ight.
The improved temperature -rtrol afforded by the radiator gales the discharge system to erate continuously over an lefinite period, whereas the erating time of ' the reservoir ie is limited by increase in nperature, the heat being isipated through the sides of a tank..
Providing for operation at nstant fluid temperature after
initial warming-up period, a radiator increases the life of a fluid and of the working rts. Systems have operated in 3ctice for over three hours thout a rise in temperature.
Of special advantage to the *le driver when he is aparing to operate the system, iploying a radiator enables the wt-up valve to be located on a semi-trailer in the case of an iculated outfit instead of the ictive unit.
ade by: Drum Engineering Co d, Edward Street Works, idley Hill, Bradford BDA 713(1.