Instruction/ maintenance manual of the product EY7440-U1 Panasonic
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1 SCHEMATIC DIAGRAM 2 2 WIRING CONNECTIO N DIAGRAM 2 3 DISASSEMBLY/ASSEMB LY INSTRUCTIONS 3 © 2006 Matsushita Electric Works Ltd. All rights reserved.
1 SCHEMATIC DIAGRAM 2 WIRING CONNECTIO N DIAGRAM 2 EY7440- U1 /.
■ HO W TO DISAS SEMBL E KEYLE SS CHUCK . 3 DISASSEMBL Y/ASSEMBLY INSTRUCTIO NS Ref. No. 1A Proced ure 1A Remov al of the Keyles s Drill Chuck. Fig. 1 Fig. 2 Fig. 3 NOTE : When attaching or removing a bit, disconnect battery pack from tool. 1. Set the clutch handle to position and select "LOW" position.
■ HO W TO DISAS SEMBL E MAIN UNIT. Ref. No. 2A Proced ure 2A Remov al of the Housing. Fig. 4 1. Remove 8 housing screws. Ref. No. 2B Proced ure 2A → → → → 2B Remov al of the Motor. Fig. 5 (Removal) 1. Take out the motor with the gear box block from housing.
Ref. No. 2C Proced ure 2A → → → → 2B → → → → 2C Remov al or attachm ent of the Gear Box Block. (Removal) 1. Turn the thrust plate to remove. 2. The internal parts of gear box block can be removed one after another. (See Fig. 6) (Attachment ) 1.
Ref. No. 2D Proced ure 2A → → → → 2B → → → → 2C → → → → 2D Assem bly of the Adjusting Screw and the Clutch Handle . 1. Align the mark of adjusting screw with the projection (A) of driving block. 2. Turn the adjusting screw into the driving block about one rotation for clockwise direction.
Ref. No. 2F Proced ure 2A → → → → 2B → → → → 2C → → → → 2D → → → → 2E → → → → 2F Attachment of the Switch. 1. Insert the connectors into battery terminal and control PCB. NOTE : Do not connect (+) and (-) terminal wrongly.
Ref. No. 2G Procedure 2A → → → → 2B → → → → 2C → → → → 2D → → → → 2E → → → → 2F → → → → 2G Attachment of the Housin g. 1. Place the driving block onto the housing A and place the spring for release lever and the hook release lever.
(Refer to WIRING CONNE CTION DIAGR AM) 4 TROUBLESHOOTING GUIDE 9 EY7440- U1 /.
10 EY7440- U1 /.
5 EXPLODED VIEW 11 EY7440- U1 /.
6 REPLACEME NT PARTS LIST NOTE: *B=only availab le as set *C=available individu ally Ref.No. Part No. Part Name & Description Remarks Per Unit 1 WEY7440K3078 HOUSING AB SET 1 2 WEY6481L0176 CLICK .
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If you already are a holder of Panasonic EY7440-U1, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Panasonic EY7440-U1.
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