hand pump


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hand pump

A device in a hydraulic system used to manually build up hydraulic pressure as a backup in case of hydraulic pump failure. In some earlier aircraft, the hand pump was also used to transfer fuel from one tank to another in case of electrical or pump failure. See double-acting hand pump.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
Our correspondent says prior to the construction of the hand pumps, residents of those communities had over the past been finding it very challenging to get access to safe drinking water.
Earlier, the Managing Director of Transtechnic, the company executing the project, Alhaji Abdulrazak Salau said the boreholes would be fitted with Afri-development hand Pumps because 'the product has a long life span and can ensure sustainability.'
What the user experiences is just a continuous up-down motion of the pump handle--the same as any other hand pump. It's the technology inside the pump that compresses the air in three stages.
When installing a hand pump, consider how you'll be standing while you operate the pump.
It will inform the officials when there is a problem in the hand pump. The transmitter is no bigger than a mobile phone and fits inside the hand pump.
During the lean summer months it is common to see that operating a hand pump gets laborious.
Even where wells exist, older women and children lack the strength to operate stiff hand pumps.
The depth of the well tube is 80m; and water is pumped in the form of a hand pump.
In front of a poorly managed hand pump, a signboard reads, "Adarsh Gram Gadser" (Ideal Village Gadser), ironical in the face of the current situation of the village.
The 2008 CENTRE TANK SERVICES Catalogue has a comprehensive range of equipment for the plant industry including a wide variety of hand pumps. For easy low cost barrel emptying for various fluids Centre Tank Services have a hand pump to suit.