Assessments - 1, GPA: 5
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Unauthorized copying and distribution is a violation of law. EY6813-U1 1 SCHEMATIC DIAGRAM 2 WIRING CONNECTION DIAGRAM 2 EY6813-U1 3 DISASSEMBLY/ASSEMBLY INSTRUCTIONS HOW TO DISASSEMBLE THE MAIN UNIT. Ref. No. 1A Procedure 1A Removal of the housing. 1. Set the hammering/drilling switching lever to the position and the speed/blow mode selection lever in between "H" and "S" position. 2. Loosen the support handle and take it out from the unit. 3. Pluck the chuck cover depressing the chuck handle. 4. Remove 15 housing screws. For assemblingNOTE : Make sure to attach the dust preventive clothes or filters on the housings. Ref. No. 1B Procedure 1A> >>>> 1B Removal of the motor brush assembly. 1. Loosen 2 screws. 3 EY6813-U1 HOW TO DISASSEMBLE MAIN UNIT. Ref. No. 2A Procedure 1A> >>>> 1B> >>>> 2A Removal of the switch. 1. Take out the heat sink from the housing by something like a plier. 2. Take out the battery holder from the housing. 3. Remove the trigger cover. For assemblingNOTE: Make sure to set the trigger cover into the groove of housing. Ref. No. 2B Procedure 1A> >>>> 1B> >>>> 2A> >>>> 2B Removal of the motor assembly. 1. Hitch the brush spring to the frame by something like a forceps and take the motor brush assembly with the switch out from the motor assembly. 2. Take out the rotor and the current plate from the motor case. For assemblingNOTE: Make sure to return the spring into the groove of the motor brush. Make sure to align the groove of motor case and the groove of current plate. And set the largest groove of the motor case onto the boss of housing. 4 EY6813-U1 HOW TO DISASSEMBLE THE GEAR BOX BLOCK. Ref. No. 2C Procedure 2A > >>>> 2B > >>>> 2C Removal of the gear box block. 1. Loosen 8 screws of the gear case. 2. Take out a steel ball pushing the chuck spring with the chuck spring plate. 3. Remove the chuck spring, the chuck spring plate and the spindle & piston assembly. 4. Remove the intermediate shaft assembly. For assemblingNOTE : Every time the gear box block is opened, use the new gaskets and screws. 1. Assemble the bearing with the spindle assembly. 2. Fit O-ring onto the bearing. It is little loose. 3. Assemble the chuck spring and the chuck spring plate. 4. Insert a ball pushing down the chuck spring. 5.Insert the reciprocation bearing shaft into the hole of universal coupling. Make sure two thrust plates should be set both side of reciprocation bearing shaft one of each. NOTE : Greasing about 30g into the gear box block especially for the connection area between reciprocation bearing and universal coupling. In addition, hammer O-ring, inside of piston and cylinder for output shaft block also need to apply. Air compressed by the piston drives hammer. Take care to protect the piston and hammer from contamination by dust. 5 EY6813-U1 4 TROUBLESHOOTING GUIDE (Refer to WIRING CONNECTION DIAGRAM) 4.1. CHECK POINTS FOR ELECTRICAL PARTS. < TROUBLE > < CHECK > < REMEDY > Does not operate.