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Makita GA5041C - 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 ...
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Makita GA5041C - 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 ...
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Makita GA5041C - 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 ...
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Makita GA5041C - 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 ...
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Makita GA5041C - 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 ...
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Makita GA5041C - 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 ...
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Makita GA5041C - 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 ...
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Makita GA5041C - 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 ...
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Makita GA5041C - 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 ...
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Makita GA5041C - 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 ...
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Makita GA5041C - 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 ...
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Makita GA5041C - 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 ...
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Makita GA5041C - 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 ...
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Makita GA5041C - 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 . ...
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