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Makita BFS440 manual

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Table of contents for the manual

  • Page 1

    PR ODUCT C ONCEPT AND MAIN APPLICA TIONS P 1 / 7 S pecif ication BFS440, BFS450 Cordless Scre wdriv er Models BFS440 and BFS450 hav e been dev eloped as a single-shot type Cordless Scre wdriver , featuring more conv enience with one-touch locator and LED job light. These products are av ailable in the following v ariations. Dimensions: mm (") [...]

  • Page 2

    P 2 / 7 [2] LUBRICA TION Apply Makita grease F A.No.2 to the following portions designated with the black triangle to protect parts and product from unusual abrasion. [1] NECESSAR Y REP AIRING TOOLS CA UTION: Remove the bit and the battery fr om the machine for safety bef ore repair/ maintenance in accordance with the instruction manual! Fig. 1 R e[...]

  • Page 3

    P 3 / 7 R epair [3] DISASSEMBL Y/ASSEMBL Y [3] -3. Locater Section [3] DISASSEMBL Y/ASSEMBL Y [3] -4. Helical Gear 48, Clutch Section DISASSEMBLING DISASSEMBLING ASSEMBLING Pull Lock ring strongly . Locater complete and Lock ring can be removed together . When removing Locater base complete together with Locater complete and Lock ring, etc.: 1 Loos[...]

  • Page 4

    P 4 / 7 R epair [3] DISASSEMBL Y/ASSEMBL Y [3] -4. Helical Gear 48, Clutch Section (cont.) ASSEMBLING Fig. 9 Fig. 10 Fig. 11 Ball bearing 608 Steel ball 4 (3 pcs) Steel ball 3.5 Clutch cam C Helical gear 48 Assembly of Helical gear 48 Spindle Shoulder pin 8-10 Flat washer 25 (2 pcs) Sleev e 20 O Ring 18 Plane bearing 14 Gear complete 18-44 Plane be[...]

  • Page 5

    P 5 / 7 R epair [3] DISASSEMBL Y/ASSEMBL Y [3] -5. Motor Section DISASSEMBLING 1) Remov e Housing R ( Fig. 4 ) 2) Disassemble Armature from the machine as illustrated in Figs. 12 and 13 . ASSEMBLING Fig. 15 Fig. 14 Y our fingers will be pinched and injured. [Wrong] [Correct] Fig. 12 Fig. 13 1 2 Carbon brush Carbon brush T orsion spring 1. Mov e the[...]

  • Page 6

    P 6 / 7 R epair [3] DISASSEMBL Y/ASSEMBL Y [3] -5. Motor Section (cont.) Fig. 16 ASSEMBLING [3] -6. Switch 3) Assemble the Motor section to Housing L as illustrated in Fig. 16 . Put the projection on Switch between the prongs of F/R change lev er , then assemble the Switch to Housing L. ( Fig. 17 ) notch in Y oke unit Brush holder complete groo ve [...]

  • Page 7

    P 7 / 7 C ircuit diagram W iring diagram Brush Holder Complete LED Fig. D-1 Fig. D-2 Lead wires (red, black) of Brush holder complete must be fix ed with these lead wire holders. Do not put any Lead wire on this rib to protect from pinching. Y oke unit Circuit Switch T erminal Color index of lead wires' sheath Black White Red Blue Switch lead [...]