CONTENTS2 HDS 500-510 • 9.800-078.0 • Rev. 4/10Introduction & Important Safety Information 4-6Component Identifications 7-9Assembly Instructions 10Installation 11Operating Instructions 12Detergents & General Cleaning Techniques 13Shut Down & Clean-up Procedures 14Storage 14Troubleshooting 15-16Maintenance Charts 17Oil Change Record 17Preventative Maintenance 18Maintenance & Service 18-201.575-500.0 Exploded View and Parts List 21-231.575-501.0, 502.0, 503.0, 504.0 Exploded View & Parts List 24-261.575-505.0, 506.0, 507.0, 508.0, 509.0, 510.0 Exploded View 271.575-505.0, 506.0, 507.0, 508.0, 509.0, 510.0 Parts List 28-301.575-500.0 Control Panel, Exploded View & Parts List 31-321.575-501.0, 502.0, 503.0, 504.0 Control Panel,Exploded View & Parts List 33-341.575-505.0, 506.0, 507.0, 508.0, 509.0, 510.0 Control Panel,Exploded View & Parts List 35-361.575-505.0, 506.0, 507.0, 508.0, 509.0, 510.0 Float Tank OptionExploded View & Parts List 37-381.575-501.0, 502.0, 503.0, 504.0 Auto Start/Stop OptionsExploded View & Parts List 391.575-505.0, 506.0, 507.0, 508.0, 509.0, 510.0Auto Start/Stop Options Exploded View & Parts List 40