Instruction/ maintenance manual of the product BDA341/BDA351 Makita
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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.
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.
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.
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.
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 .
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.
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.
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.
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If you already are a holder of Makita BDA341/BDA351, 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 Makita BDA341/BDA351.
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