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Makita GA4043C manual

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Table of contents for the manual

  • Page 1

    PRODUCT P 1/ 14 Model No. GA4041C/GA4043C, GA4541C/GA4543C, GA5041C/GA5043C Dimensions: mm (") Width (W) Height (H) Length (L) Model No. 325 (12-3/4) GA4041C GA4043C 117 (4-5/8) 121 (4-3/4) * 1 Anti-restart function is for models, GA4041C, GA4541C, GA5041C only Description Angle Grinders 100mm (4"), 115mm (4-1/2"), 125mm (5") C [...]

  • Page 2

    P 2/ 14 R epair Apply Makita grease to the following portions designated with the black triangle and the gray triangle to protect parts and product from unusual abrasion. [1] NECESSAR Y REP AIRING T OOLS CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”. Code No. Description Use for 1R028 Bearing s[...]

  • Page 3

    P 3/ 14 R epair [3] DISASSEMBL Y/ASSEMBL Y [3] -2. Armature, Spiral bevel gear [small one] DISASSEMBLING (1) Remove Spiral bevel gear (small) from the drive end of Armature as drawn in Fig. 2 . Fig. 2 1. Remove Rear cover by unscrewing one 4x18 T apping screw . 4x18 T apping screw 4x50 T apping screw 4. Unscrew four T apping screws. Then separate G[...]

  • Page 4

    P 4/ 14 R epair DISASSEMBLING ASSEMBLING (2) Disassemble the commutator end of Armature as drawn in Fig. 3 . Note : This step is required for the models with electronic control system of GA4041C, GA4043C, GA4541C, GA4543C, GA5041C, GA5043C . Fig. 3 1. Pick up three tabs of Self lock 6 with tweezers to remove it from Armature. 2. Remove Magnet sleev[...]

  • Page 5

    P 5/ 14 R epair ASSEMBLING (2) Assemble the drive end of Armature as drawn in Fig. 5 . Fig. 5 [3] DISASSEMBL Y/ASSEMBL Y [3] -2. Armature, Spiral bevel gear [small one] (cont.) 2. Mount Gear housing cover to Armature to fit the groove of the cover to Compression spring 33 and Armature shaft through Ball bearing 6001LLB. 1. Set Brake shoe holder com[...]

  • Page 6

    P 6/ 14 R epair ASSEMBLING (3) Assemble Spacer , Armature section and Gear housing to Motor housing as drawn in Fig. 6 . Fig. 6 [3] DISASSEMBL Y/ASSEMBL Y [3] -2. Armature, Spiral bevel gear [small one] (cont.) 1. Set Switch knob to “Lock ON” position so that Switch plate is pushed toward Spacer. Then, mount Spacer while fitting its groove to S[...]

  • Page 7

    P 7/ 14 R epair DISASSEMBLING Note : The gear and the ball bearings can be replaced without disassembling the motor section. (1) Remove Ball bearing 696ZZ, Retaining ring S-9, Flat washer 10 and C-type plate from Spindle as drawn in Fig. 7 . Fig. 7 [3] DISASSEMBL Y/ASSEMBL Y [3] -3. Spiral bevel gear [large one], Ball bearings 696ZZ/ 6201DDW 1R258 [...]

  • Page 8

    P 8/ 14 R epair DISASSEMBLING (2) Disassemble large Gear section from Bearing box as drawn in Fig. 8 . Fig. 8 [3] DISASSEMBL Y/ASSEMBL Y [3] -3. Spiral bevel gear [large one], Ball bearings 696ZZ/ 6201DDW (cont.) 1. T ap Bearing box to shift Flat washer 12 so that the surface is revealed as large as possible. Then, put Bearing box on 1R258. Bearing[...]

  • Page 9

    P 9/ 14 R epair (3) Disassemble Ball bearing 6201DDW from Bearing box as drawn in Fig. 9 . Fig. 9 ASSEMBLING Assemble by reversing the disassembly procedure. (Refer to Figs. 9 , 8 and 7 ) Note : • Do not re-use the removed Joint sleeve. New Joint sleeve has to be mounted. (Refer to the bottom center illustration in Fig. 7 ) • Apply the followin[...]

  • Page 10

    P 10/ 14 R epair [3] DISASSEMBL Y/ASSEMBL Y [3] -4. Switch Lever DISASSEMBLING (1) Remove Rear cover from Motor housing by removing 4x18 T apping screw . ( Fig. 2 ) (2) Disassemble Switch lever and Switch knob from the machine as drawn in Fig. 1 1 . Fig. 11 Fig. 12 ASSEMBLING (1) Insert Switch lever into Motor housing. And push it until the loop po[...]

  • Page 11

    P 11/ 14 R epair [3] DISASSEMBL Y/ASSEMBL Y [3] -5. Switch Block [3] -6. Switch DISASSEMBLING After removing Switch lever (Refer to Fig. 1 1 ), separate Switch block from Motor housing as drawn in Fig. 13 . After removing Switch lever (Refer to Fig. 1 1 ), remove Switch from Switch block as drawn in Fig. 14 . Fig. 13 Insert Slotted screwdriver into[...]

  • Page 12

    P 12/ 14 R epair [3] DISASSEMBL Y/ASSEMBL Y [3] -8. Shaft Lock DISASSEMBLING While applying 1R268 to Shoulder pin 6 through the small hole on Pin cap, tap 1R268 with a hammer . Now , Shoulder pin 6 comes out from Gear housing complete. Release 1R268 from Pin cap carefully so that Pin cap will not pop out by Compression spring 8. Shoulder pin 6 Pin [...]

  • Page 13

    P 13/ 14 C ircuit diagram Color index of lead wires' sheath with Controller GA4041C, GA4043C, GA4541C, GA4543C, GA5041C, GA5043C Blue Fig. D-1A Brown Switch Controller Noise suppressor* is installed in Switch block. *Noise suppressor is not used for some countries. Field Brush holder Noise suppressor 7 Black lead wire is used for some countrie[...]

  • Page 14

    P 14/ 14 W iring diagram Fig. D-2 W iring of Lead wires of Power supply cord Put Lead wires of Power supply cord into this place designated with gray color .[...]