Makita GA7060 Technical Information Download Page 2 | Manualshive

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INDEX

INDEX .......................................................................................................................................................................................... 2

CAUTION .................................................................................................................................................................................... 3

NECESSARY REPAIRING TOOLS ........................................................................................................................................... 4

LUBRICANT AND ADHESIVE APPLICATION ...................................................................................................................... 5

REPAIR ........................................................................................................................................................................................ 6

Armature, Ball bearing 6301DDW/ 6200DDW, Small spiral bevel gear ............................................................................ 6

Disassembling ............................................................................................................................................................. 6

Assembling .................................................................................................................................................................. 8

Large spiral bevel gear, Ball bearing 608ZZ/ 6905DDW for models GA7060, GA9060, GA7060R, GA9060R ............... 9

5-2-1 Disassembling ................................................................................................................................................................. 9

Assembling ................................................................................................................................................................... 11

Large spiral bevel gear, Ball bearing 608ZZ/ 6905LLB/ 6203DDW, SJS-II components for models GA7061, GA9061,

GA7061R, GA9061R ...................................................................................................................................................................... 12

Disassembling ........................................................................................................................................................... 12

Assembling ................................................................................................................................................................ 16

Shaft lock mechanism ........................................................................................................................................................ 19

Disassembling ........................................................................................................................................................... 19

Assembling ................................................................................................................................................................ 19

Brush holder cover ............................................................................................................................................................. 20

Disassembling ........................................................................................................................................................... 20

Assembling ................................................................................................................................................................ 20

Assembling of Handle set .................................................................................................................................................. 20

Circuit diagram .................................................................................................................................................................. 21

Wiring diagram .................................................................................................................................................................. 22

Assembling of Carbon brush .............................................................................................................................................. 25

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Summary of Contents for GA7060

Page 1: ...3 000 3 000 50 60 120 230 240 10 5 2 200 50 60 1 400 3 000 220 Current A Optional accessories Anti vibration grip Toolless lock nut Dust cover attachment Toolless wheel cover W Max thickness 6 5 1 4...

Page 2: ...GA9060 GA7060R GA9060R 9 5 2 1 Disassembling 9 5 2 2 Assembling 11 5 3 Large spiral bevel gear Ball bearing 608ZZ 6905LLB 6203DDW SJS II components for models GA7061 GA9061 GA7061R GA9061R 12 5 3 1 D...

Page 3: ...nd Gear teeth of Large spiral bevel gear on Spindle GA7060 GA7060R 17 55 GA7061 GA7061R 17 55 GA9060 GA9060R 13 54 GA9061 GA9061R 13 54 the grinders use different spiral bevel gears as listed below an...

Page 4: ...removing Ball bearing 6301DDW 1R133 Nose 20 25 removing Ball bearing 6905LLB 1R165 Ring spring setting tool B removing Ball bearing 6203DDW 1R212 A Tip for Retaining ring pliers removing Ring spring...

Page 5: ...sons In case all the lubricant would be Makita grease FANo 2 O ring 19 will protrude from the groove of Large spiral bevel gear The groove will be clogged with the grease on O ring 19 and therefore th...

Page 6: ...h holder cover R Fig 5 1 1 2 Motor housing 3 Shift Sprial springs from Carbon brushes to the edges of Brush holders 5 Remove four M6x22 Hex socket head bolt from Bearing box 4 Disconnect Carbon brushe...

Page 7: ...aste cloth to prevent scratch damage 10 Remove the loosened M8 Hex nut then pull out Small spiral bevel gear Refer to Fig 5 1 1 8 Armature ass y Gear housing complete M8 Hex nut Refer to Fig 5 1 1 8 T...

Page 8: ...R131 14 Hook the jaws of 1R269 to Ball bearing 6200DW While holding the jaws with water pump pliers remove the ball bearing 1R269 Water pump pliers Ball bearing 6301DDW 15 Remove Diffuser by passing 1...

Page 9: ...plete Tap 1R032 carefully with the ram of an Arbor press until the press fitting between Spindle complete and Large spiral bevel gear is loosened Note Avoid the projection of Bearing box Refer to Fig...

Page 10: ...5 2 1 6 6 Remove three M5x16 Pan head screws then remove Bearing retainer 50 M5x16 Pan head screw 3 pcs Bearing retainer 50 1R249 Ball bearing 6203DDW 7 Remove 6203DDW with 1R249 Note When you remove...

Page 11: ...into the ball bearing M5x16 Pan head screws 3 pcs Ball bearing 6203DDW 1R030 4 Receive Spindle complete with 1R030 then press fit the spindle into Large spiral bevel gear with 1R029 1R030 Spindle com...

Page 12: ...Remove 608ZZ with 1R269 2 Remove Retaining ring S 15 with 1R291 3 Remove Balancer 4 Remove C type plate33 1R269 Ball bearing 608ZZ 1R291 Retaining ring S 15 5 Remove C type plate 29 6 The components...

Page 13: ...dle complete Tap 1R032 carefully with the ram of an Arbor press until the press fitting between Spindle complete and Large spiral bevel gear is loosened Ram of Arbor press 1R032 Arbor press table Note...

Page 14: ...p 11 Receive Bearing box complete on two pieces of 1R258 then press down Flat washer 17 with 1R245 to remove Large spiral bevel gear Note Flat washer 17 is deformed by the step Therefore replace it wi...

Page 15: ...locking patch Therefore heat it with a heat gun to loosen the locking Fig 5 3 1 14 1R245 Bearing box 1R041 2 pcs 1R350 2 pcs Fig 5 3 1 15 Bearing retainer 26 42 Felt ring 22 Flat washer 36 15 Bearing...

Page 16: ...4 1R165 Ball bearing 6203DDW 4 Receive Ball bearing 6203DDW with 1R350 then press fit Spindle complete into Bearing box and the ball bearing 3 Receive Bearing box complete with two pieces of 1R350 an...

Page 17: ...ith 1R030 then press fit the spindle into Large spiral bevel gear with 1R029 1R030 1R029 Spindle complete Joint sleeve Large spiral bevel gear Fig 5 3 2 9 8 Set O ring 19 in place Note According to Fi...

Page 18: ...061R cont 5 3 2 Assembling cont Fig 5 3 2 13 12 Set Balancer in place 14 Receive Spindle complete with 1R030 then press fit the spindle complete into Ball bearing 608ZZ 13 Fit Retaining ring S 15 into...

Page 19: ...lete 15 Tap Shoulder pin 7 with 1R308 and a metal hammer to remove the shoulder pin Pin cap and Compression spring 8 Note The removal step of the shoulder pin 8 shaves off the inside of the pin cap Th...

Page 20: ...holder cover R In the same way remove the other hinge After that remove Brush holder cover L Fig 5 5 1 3 Assemble by reversing the disassembly procedure 1 Tighten two 4x18 Tapping screws to fasten Ha...

Page 21: ...Switch Controller 1 2 LED Red white black AWG24 per each White AWG16 black AWG16 White or blue AWG22 Note in repair When the lead wire ends of Power supply cord do not have splices you must attach the...

Page 22: ...of Motor housing in the direction shown below Field Field lead wires Motor housing Field lead wires Pass Field lead wires through this hole of Motor housing Do not slacken them in Motor housing Power...

Page 23: ...this hole of Motor housing Do not slacken them in Motor housing GA7060R GA7061 R GA9060R GA9061R Set Field ass y in place of Motor housing in the direction shown below Motor housing Set Controller in...

Page 24: ...ach lead wire holder of Switch cover Switch cover Noise suppressor if used Switch Do not ride any Lead wires on this rib Power supply cord LED Do not ride any Lead wires on LED Switch Rib A Pass the l...

Page 25: ...on B the direction of Carbon brush itself should be shown below The pigtail must be placed toward inside commutator side from the spiral spring top The pigtail must not be protruded from C area in red...

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