paint is delivered to the outlet 38 instead of the return tube 46 an on off electrical switch 52 enables power from a power cord 54 when connected to electrical supply not shown to be delivered to an electric motor 56 motor 56 or another form of prime mover such as a gasoline engine not shown provides mechanical power for pump assembly 24 referring now most particularly to fig3 and 5 a gear box 58 couples motor 56 to a spider 60 which is journalled for rotation in pump assembly 24 by a bearing 62 and provides direct drive to a swashplate 64 via a shaft 66 on which the spider 60 and swashplate 64 are rigidly mounted referring now also to fig1 and 18 a distal end 68 of shaft 66 is journalled for rotation in a pump assembly housing 70 by a bushing 72 referring again to fig3 and 18 an inlet check valve 74 is positioned in inlet 42 similarly an outlet check valve 76 is positioned in outlet 38 0032 fig5 illustrates a swashplate assembly 80 which includes the spider 60 bearing 62 and swashplate 64 all mounted on shaft 66 assembly 80 also includes a rocker arm 82 a piston 84 a sleeve bearing or bushing 86 a seal 88 and a spring 90 additionally assembly 80 includes an annular thrust plate 92 thrust bearing 94 and an annular radial spacer 96 as part of the swashplate 64 as may be seen most clearly in fig1 18 and.