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Makita BHR202 manual

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Table of contents for the manual

  • Page 1

    Models No. Description PR ODUCT T ECHNICAL INFORMA TION C ONCEPT AND MAIN APPLICA TIONS S pecif ication S tandard equipment O ptional accessories P 1 / 13 BHR202 Cordless Combination Hammer H L Dimensions: mm (") W idth (W) Height (H) Length (L) 358 (14-1/8) 84 (3-5/16) 259 (10-1/4) These new products are a vailable in the follo wing variation[...]

  • Page 2

    [2] LUBRICA TION [1] NECESSAR Y REP AIRING TOOLS CA UTION: Remove the bit and the battery from the machine f or safety bef ore repair/ maintenance in accordance with the instruction manual! R epair Description Code No. Use for Retaining ring S pliers ST -2 1R004 Removing Ring spring 29 Retaining ring S pliers ST -2N 1R003 Removing Ring spring 19 Be[...]

  • Page 3

    [2] LUBRICA TION (cont.) R epair P 3 / 13 Fig. 2 Item No. Description Portion to lubricate Lubricant Amount Striker Ball bearing 606ZZ Compression spring 7 Disassemble T ool holder section as illustrated in Fig . 3 . Retaining ring S-7 Piston joint Armature Flat washer 12 Swash Bearing Section 40 41 51 52 53 63 (f) (g) (h) (g) (k) Crank room (i) (j[...]

  • Page 4

    R epair P 4 / 13 [3] DISASSEMBL Y/ASSEMBL Y [3] -2. Change Lev er DISASSEMBLING ASSEMBLING Change le ver Drill mode Lock button Pushing Lock button into Change le ver , turn Change le ver fully to Drill mode until it stops. Remov e Change lever by le vering up it with Slotted head scre wdriv er, inserted between Gear housing complete and Change le [...]

  • Page 5

    R epair P 5 / 13 bearing room of Gear housing complete 4x40 T apping scre ws (4 pcs.) Gear housing complete Holder cap cov er Motor housing complete Ball bearing 6000DD W of Armature (behind the Fan) [3] DISASSEMBL Y/ASSEMBL Y [3] -4. Armature 1) Remov e Holder cap cover by inserting Slotted scre wdriv er between Holder cap cover and Motor housing [...]

  • Page 6

    R epair P 6 / 13 [3] DISASSEMBL Y/ ASSEMBL Y [3] -5. T or que Limiter Section (cont.) ASSEMBLING Do the rev erse of disassembling steps. Note: Do not forget to assemble Flat w asher 28 between T orque limiter section and Inner housing complete. Refer to Fig. 12 . [3] DISASSEMBL Y/ASSEMBL Y [3] -6. Needle Bearing Complete and Oil Seal 25 DISASSEMBLI[...]

  • Page 7

    R epair P 7 / 13 DISASSEMBLI NG 1) Referring to " [3] -5. T orque Limiter Section ", disassemble Ring spring 29, W asher 31, Compression spring 32 and Spur gear 51 from T ool holder complete. Refer to Figs. 11 to 14 . 2) Holding Gear housing complete in vise and 1R038, T ap Ring spring 28 in T ool holder complete as illustrated in Figs. 2[...]

  • Page 8

    [3] DISASSEMBL Y/ASSEMBL Y [3] -7. Impact Bolt Section (cont.) DISASSEMBLING ASSEMBLING Fig. 29 Note: Use an extra Piston c ylinder as a jig. Never use Piston c ylinder that is to be assembled to the machine. 2) Push Ring spring 28 with Piston cylinder until it f its to the inner groove of T ool holder complete. ( Fig. 29 ) 1) Disassemble T ool hol[...]

  • Page 9

    [3] DISASSEMBL Y/ASSEMBL Y [3] -8. Swash Bearing Section (cont.) DISASSEMBLING Fig. 32 Fig. 33 6) Mov e Piston cylinder to the rear dead center position ( Fig. 32 ). 7) Remov e Swash bearing section from Inner housing by pulling in the direction of the arrow . Then, remo ve Change plate from the groov e of Clutch cam. ( Fig. 33 ). Piston cylinder S[...]

  • Page 10

    [3] DISASSEMBL Y/ASSEMBL Y [3] -8. Swash Bearing Section (cont.) DISASSEMBLING ASSEMBLING 1R032 1R033 Fig. 39 Swash bearing 10 Helical gear 26 Retaining ring S-7 Compression spring 7 Spur gear 10 Cam shaft Cam shaft Clutch cam 1) Assemble Swash bearing section using 1R032, 1R033, 1R291 and arbor press as illustrated in Fig. 39 . Note: Be sure to pu[...]

  • Page 11

    [[3] DISASSEMBL Y/ASSEMBL Y [3] -8. Swash Bearing Section (cont.) R epair ASSEMBLING P 11 / 13 4) Mov e Piston cylinder to the rear dead center position. ( Fig. 42 ) 5) Insert the pole of Swash bearing 10 into the hole of Piston joint as illustrated in Fig . 43 . 6) Insert Ring 8 (the end of Swash bearing section) into Inner housing complete. ( Fig[...]

  • Page 12

    R epair Fig. 47 ov al hole of F/R change lev er protrusion of Switch P 12 / 13 M aintenance program It is recommended to replace the follo wing parts shown belo w and apply lubricant to the specific parts designated in Figs. 2 and 3 when replacing Carbon brushes. [3] DISASSEMBL Y/ASSEMBL Y [3]-9. F/R Change Lev er Fit the protrusion of Switch into [...]

  • Page 13

    W iring diagram P 13 / 13 Fig. D-2 C ircuit diagram Color index of lead wires' sheath Black White Blue Orange Y ello w Red Switch T erminal T ape Light circuit LED Y oke unit FET Heat dissipation plate (Housing L side) (Housing R side) Fig. D-1 Connector Brush holder Note : Route Lead wires for switch to each lead wire holders and guide them b[...]