305 and the rearward end 298 of the cover panels the nozzle covers 290 fit snugly about each of the paint spray nozzles 275 and conform to the shape of the paint spray nozzles the spray port 276 of the paint spray nozzle 275 fits through the nozzle opening 305 in the nozzle cover 290 the outer edges 312 and 314 are fastened together with the snaps 310 along the side of the paint spray nozzle 275 opposite the spray port 276 the forward end 297 of the nozzle cover 290 fits over the forward end of the paint spray nozzle 275 and the rearward end 298 of the nozzle cover panel fits tightly around the forward end of the robot arm 272 and the forward end of the arm cover 278 with the aid of the elastic bands 319 the elastic bands 317 and 318 hold the nozzle cover 290 tightly about the paint spray nozzle 275 on each side of the paint spray port 276 base covers 325 and 326 are shown assembled and mounted to the base 260 of each side reciprocator 250 and 252 respectively in fig1 the left reciprocator base cover 325 is shown in fig1 the right reciprocator base cover 326 is a mirror image of the left reciprocator base cover 325 and like numerals are used to identify corresponding parts of each base cover in fig1 the left reciprocator base cover 325 includes a rectangular central panel 328 the central panel 328 includes a cylindrical opening 330 for receiving the conduit 266 of a side reciprocator 252 positioned near the midsection of the.