Swash plate pump

A rotary pump has a lock valve 150 connected to a swash plate member 44, the lock valve 150 having a body 164. A spigot 50 extends in the swash plate member 44 and sealingly engages the body 164. The spigot 50 has two longitudinal passageways and openings 120-126 extending outwardly adjacent to a rotor 26 having a passageway 41 extending from each of a plurality of cylinder bores 34 to the spigot 50, the passageways 41 being aligned with the openings 124,126 on the spigot 50, whereby fluid passes between the longitudinal passageways 120,122 in the spigot 50 and the cylinder bores 34. The valve 150 has a bore 168 extending therethrough, two valve passageways 190,192 extending therethrough and communicating with the bore 168, each valve passageway 190,192 communicating with one of the passageways 120,122 in the spigot 50. The valve body 164 has an edge 171,175 adjacent each valve passageway 190 and 192, and a tank passageway 173 which communicates with each valve passageway 190,192 when a land 167 of a spool 166 of the valve 150 is shifted past the edge 171,175.