We'd like to use analytics cookies to understand which symbols people look up, so we know what to research next. They are not used for advertising and we set none of them unless you say yes. What we store.
A pump circle with a lever handle attached.
Also known as: Manual pump symbol, Lever pump symbol
In ISO 1219 fluid power diagrams a pump circle drawn with a lever handle denotes a manually operated pump, used for emergency operation and for hand-priming a circuit.
Denotes a pump driven by hand rather than by a prime mover.
Contexts: Technical drawing
Appears in circuits as an emergency or backup source of pressure, for instance to release a brake when the engine is not running.
Contexts: Technical drawing
A pump circle with a short straight lever projecting from its side, ending in a small crossbar for a hand grip.