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Be sure to check that the tank is not filling with foam. Use a defoaming agent to avoid pulling foam through vac motor. Should vac motor become wet, remove source of overflow and immediately run vac motor open to dry. At the end of each working day: 1. After each use, rinse tank with fresh water. Periodically inspect the recovery tank and decontaminate if necessary, using a Hospital Grade Virucide or a 1:10 bleach to water solution. Waste water should be disposed of properly. 2. Remove head assembly and allow tank to dry. 3. Remove filters for cleaning or to allow to dry. 4. Inspect hoses for wear. Frayed or cracked hoses should be replaced to avoid vacuum loss. 5. Inspect power cord for wear. This cable will lay on wet surfaces. To prevent electrical shock replace cords with frayed or cracked insulation immediately. 321LNELECTRIC DRAWING1 – terminal block2 – switch3 – motor 5 PERIODIC MAINTENANCE (Every six to twelve months): 1. Check filter for wear, replace dirt saturated filters that do not respond to normal cleaning. 2. Inspect gasket seals and replace those which have begun to leak. Replace both carbon brushes when either is 3. Examine carbon motor brushes and commutator. less than 3/8" long. (PN S8TOEG845) SERVICING THE FILTER The filter is accessed by lifting the head assembly off the tank. Polyester filter is easily removed by simply lifting the filter basket out of the tank. Cartridge filters – Remove the filter retainer by turning the black knob 90 degrees counter-clockwise. Cartridge filter will then slide off of float assembly. NOTE: Be sure to frequently clean the filter. Allow filter to dry after being used for wet pick-up. Filters used for wet pick-up including stripper must be thoroughly cleaned before being allowed to dry. Worn filters can affect vacuum performance. Replace the filter when it becomes worn out and normal cleaning will not restore vac performance. SERVICING THE VAC MOTOR MOTOR REPLACEMENT 1. Disconnect power cord from power source. 2. To access the vac motor, remove the screws that attach the main cover to the head assembly and set the cover to one side. 3. Disconnect the motor’s 2 red lead wires from the main switch. 4. Disconnect green/yellow wire by removing screw from motor core. 5. Remove the four motor mounting screws. 6. Remove motor plate and set aside. 7. Take out the motor and remove the upper and lower gaskets. 8. Inspect gaskets. If they shown any wear or tear in the material, replace. 9. Install gaskets onto new motor. Make sure gaskets are properly seated. 10. Install the new motor. Make sure foam mufflers are positioned properly. 11. Attach motor plate to motor. 12. Connect green/yellow wire to motor core. 13. Connect motor’s 2 red lead wires to main switch. 14. Re-assemble vac cover. 15. Test for proper operation. 6 SERVICING THE VAC MOTOR CARBON BRUSH REPLACEMENT 1. Disconnect power cord from power source. 2. To access the vac motor, remove the screws that attach the main cover to the head assembly and set the cover to one side. 3. Remove the motor cover by removing two screws. See Figure 1 4. Remove the wire terminal from carbon brush housing. See Figure 2 Fig. 1 5. Remove the carbon brush assembly by removing the 2 screws that attach it to the vac motor. See Figure 3 6. Inspect armature commutator. If it is extremely pitted, grooved or not concentric then the motor will need to be replaced or sent to a qualified service center. 7. Slide the yellow brush housing from plastic holder. See Figure 4 8. Reverse steps 7 through 4 to install new brush and housing (part number Fig. 2 S8TOEG845) 9. Repeat steps 4 through 8 for the other carbon brush. 10. Reverse steps 3 and 2 for re-assembly. 11. Test for proper operation Fig. 3 Fig. 4 7 WDV10 VACUUM MOTOR ASSEMBLY No. Part Num. Description Qty. 1. S80466 Cord 1 2. S80138 Strain Relief 1 3. S80139 Terminal Clip 1 4. S81006 Screw, 5 x 20 2 5. S80450 Terminal Block 1 6. S83733AUG6 Handle, Gray 1 7. S82627 Screw, 5 x 40 4 8. S81006 Screw, 5 x 20 2 9. S81054 Screw, 5 x 30 2 10. S81054 Screw, 5 x 30 2 11. S83734AUG6 Cover, Gray 1 12. S80326 Switch, On/Off 1 13. S83937 Filter, O95 1 14. S81050 Screw, 5 x 35 6 15. S82738AUG6 Cover, Motor, Gray 1 16. S83969 Gasket 1 17. S80310 Ring 1 18. S83900 Filter 1 19. S82627 Screw, 5 x 40 6 20. S81006 Screw, 5 x 20 4 21. S82591AUG6 Motor Ring, Gray 1 22. S83901 Gasket 1 23. S80314 Motor 1 24. S83901 Gasket 1 25. S83866 Disk, Noise Reduction 1 26. S81189GG6 Base, Motor, Gray 1 WDV10 FILTER GROUP No. Part Num. Description Qty. 1. S83706 Bushing 4 2. S83724 Screw, 5 x 25 4 3. S82823 Body, Filter Support 1 4. S83138 Filter/Strainer 1 5. S82676 Float 1 6. S80123 Ring, Filter 1 7. S82860 Filter Bag 1 8. S82859 Support, Filter Bag 1 WDV10 TANK ASSEMBLY No. Part Num. Description Qty. 1. S82599 Tank 1 2. S81300 Rivet, 5 x 24.5 4 3. S81847G6 Tank Clamp 2 4. S81050 Screw, M5 x 35 4 5. S82846 Gasket 1 6. S82585AG6BL Retainer, Tank Adapter 1 7. S82608 Spring, Push Button 1 8. S82593 Tank Deflector...

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