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Makita BDA341/BDA351 manual

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Table of contents for the manual

  • Page 1

    PR ODUCT T ECHNICAL INFORMA TION P 1/ 8 Model No. Description C ONCEPT AND MAIN APPLICA TIONS S pecif ication BD A341/ BD A351 14.4V/18V Cordless Angle Drill 10mm (3/8") Battery Capacity of drill chuck: mm (") Capacity: mm (") Electric brake V ariable speed control Re verse switch Steel W ood No load speed: min- 1 =rpm Cell V oltage:[...]

  • Page 2

    P 2 / 8 [2] LUBRICA TION Apply Makita grease N. 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! R epair Des[...]

  • Page 3

    P 3 / 8 R epair [3] DISASSEMBL Y/ASSEMBL Y [3]-1. K eyless Drill Chuck DISASSEMBLING Correct setting of Hex Wrench 8 Clamp the long portion of Hex wrench 8 when using vise. Remov e Keyless drill chuck as illustrated in Figs. 2 and 3 . If it is dif ficult to remo ve in this way , Ke yless drill chuck can be remov ed as illustrated in Figs.2A and 3A [...]

  • Page 4

    P 4 / 8 R epair DISASSEMBLING Fig. 6 Fig. 7 Fig. 8 Fig. 9 Fig. 10 [3]-2 Spiral Bev el Gear 26 (1) Remov e Keyless drill chuck as illustrated in Figs. 2 and 3 / Figs. 2A and 3A . And disassemble Bearing retainer as illustrated in Figs. 4 and 5 . (2) Disassemble Spiral be vel gear 26 in the order of Figs. 6to 10 . Remov e Gear section by striking the[...]

  • Page 5

    P 5 / 8 ASSEMBLING Refer to Figs. 11 to 13 . R epair [3]-3. Spur Gear 29, Spiral Bev el Gear 9 4x45 tapping scre w (4pcs.) 1R269 Gear housing Disassemble Gear housing together with Gear housing cov er from Motor housing by unscrewing 4x45 T apping screw . Disassemble Ball bearing 696ZZ from the shaft of Spiral bev el gear 9 with 1R269. Remov e Gear[...]

  • Page 6

    P 6 / 8 R epair [3] DISASSEMBL Y/ASSEMBL Y [3]-4. Motor Section DISASSEMBLING (1) Disassemble Gear housing and Gear housing cov er from Motor housing by unscrewing 4x45 T apping screws. (Fig. 11 ) (2) Remov e Motor section from Housing set (L) in the order of Figs.16 and 17 . (3) When removing Armature from Brush holder , take the steps illustrated[...]

  • Page 7

    P 7 / 8 R epair [3] DISASSEMBL Y/ASSEMBL Y [3]-4. Motor Section (cont.) ASSEMBLING Heat sink Y oke unit Brush holder Armature Protrusion for fitting to the notch of Y oke unit notch for fitting to Housing set (L) Fitting the notch of Y oke unit to the protrusion of Housing set (L), assemble the Motor section. Notch of Y oke unit Notch of Y oke unit[...]

  • Page 8

    P 8 / 8 C ircuit diagram White Red When connecting Lead wires of Brush holder complete to Switch, connect them as follows. * Lead wire ( black ) to M2 T erminal * Lead wire ( red ) to M1 T erminal T erminal Switch Switch le ver side LED circuit FET Fig. D-1 Connector of LED circuit Connector of Switch Color index of lead wires' sheath Black W [...]