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P 2 / 11 

Note: Some parts numbers and descriptions differ from model to model. Refer to the following list and replace the 
          descriptions in this technical information. (for example, Small spiral bevel gear means Spiral bevel gear 13 or Spiral 
          bevel gear 11.)

[1] NECESSARY REPAIRING TOOLS

CAUTION: Unplug the machine, and remove the wheel, the wheel cover, the inner and the outer
                     flange from the machine for safety before repair/ maintenance in accordance with 
                     the instruction manual!

R

epair

Description

Code No.

Retaining Ring S Pliers ST-2

1R004

Use for

Removing Ring spring on Spindle

Holding Armature when removing Small spiral bevel gear from Armature

Holding Bearing box when removing Large spiral bevel gear from Spindle

Assembling Large spiral bevel gear

Retaining Ring R Pliers RT-2N

1R005

Removing Retaining ring R-30 from Gear housing.

Bearing Setting Pipe 25-17.2

1R030

1R036

Bearing Setting Plate 17.2

Armature Holder 41.5 Set for Vise

1R039

1R258

V Block (1set: 2pcs)

1R268

Spring Pin Extractor 3

Removing Shoulder pin 5

1R269

Bearing extractor (small)

Removing Ball bearing 696ZZ

1R350

Ring 60

Holding Gear housing when disassembling Shaft lock mechanism

Wrench 11

Removing / assembling M7 Hex nut from / to Armature shaft

[2] LUBRICATION

Lubricate the parts below in order to protect parts and product from unusual abrasion.
Put approx. 15g of Makita grease SG No.0 in the gear room of Gear housing.
Apply Makita Grease SG No.0 to the portions designated with the mark of       . (Fig. 1)

Fig. 1

Large spiral bevel gear

Outer periphery

Lock spring 16 (GA5021 and GA6021 only)

39

Surface that contacts Large spiral bevel gear

Spindle

GA5011

GA6011

without SJS-Super Joint System 

GA5021

GA6021

with SJS-Super Joint System 

Model No.

Description

Ball bearing in Bearing box

Spindle

Bearing box

Small spiral bevel gear

Large spiral bevel gear

49

Item No.

Description

Portion to lubricate

39

49

13

34A

11

35A

13

34B

11

35B

6202DDW

Longer than that of 
GA5011 and GA6011

6002DDW

Ring spring on Spindle

11 (Inner diameter: 10.5mm)

7 (Inner diameter: 6.5mm)

Longer than that of
GA5011 and GA6011

Summary of Contents for GA5011

Page 1: ... lbs GA5011 GA5021 GA6011 GA6021 125 5 150 6 Australia 2 0 6 6 Other countries 2 5 8 2 2 2 4 8 2 3 5 1 2 3 5 1 2 2 4 8 11 000 10 000 Double insulation 22 23 7 8 Super Joint System SJS No Yes Dimensions mm Width W Height H Length L Model No GA5011 GA6011 384 15 1 8 139 5 1 2 172 6 3 4 113 4 7 16 Dimensions mm Width W Height H Length L Model No GA5021 GA6021 384 15 1 8 139 5 1 2 172 6 3 4 120 4 3 4 ...

Page 2: ...or Vise 1R039 1R258 V Block 1set 2pcs 1R268 Spring Pin Extractor 3 Removing Shoulder pin 5 1R269 Bearing extractor small Removing Ball bearing 696ZZ 1R350 Ring 60 Holding Gear housing when disassembling Shaft lock mechanism Wrench 11 Removing assembling M7 Hex nut from to Armature shaft 2 LUBRICATION Lubricate the parts below in order to protect parts and product from unusual abrasion Put approx 1...

Page 3: ...bon brush Motor housing Armature 5x25 Tapping screws 4 pcs M5x18 Pan head screws 4 pcs Fig 2 Fig 3 Fig 4 Fig 5 Fig 6 Fig 7 Gear housing M7 Hex nut Wrench 11 1R039 Holding Gear housing while facing its bearing box installation side upward pull off Armature Small spiral bevel gear is left in Gear housing Armature Small spiral bevel gear Cloth that is wrapping Small spiral bevel gear If impossible to...

Page 4: ...r assembling Flat washer 22 secure the Ball bearing 6000DDW and Flat washer 22 with Retaining ring R 30 Refer to Fig 8 3 Insert Armature into Gear housing Refer to Fig 6 And assembling Small spiral bevel gear to Armature shaft secure it with M7 Hex nut Refer to Fig 5 4 And then do the reverse of the disassembling steps Refer to Figs 2 to 4 Fig 8 Fig 9 Tap Gear housing on table Ball bearing 6000DDW...

Page 5: ...ing 11 Slotted screwdriver Opening the notch of Ring spring 11 with 1R005 lift up its opposite side with slotted screwdriver Ring spring 11 can be removed Remove Spindle by pressing with Arbor press Ball Bearing 696ZZ 1R258 1R258 1R258 1R246 After removing Bearing retainer 39 disassemble Ball bearing 6202DDW with 1R246 and Arbor press Flat washer 15 Ball bearing 6202DDW Hold the disassembled Beari...

Page 6: ... Large spiral bevel gear Ball bearing 6202DDW Ball bearing 696DDW Assemble Spindle to Bearing box by pressing with Arbor press After securing the large Spiral bevel gear with Ring spring 11 assemble Ball bearing 696ZZ to Spindle Set Bearing box onto 1R036 for inserting Spindle into the center hole of 1R036 And putting 1R030 onto Large spiral bevel gear assemble Large spiral bevel gear to Spindle b...

Page 7: ...mounting However it can be reused by adjusting to Spindle with Pliers Fig 16 Fig 17 Fig 18 Fig 19 Bearing retainer 39 M3x6 Pan head Screw 3 pcs Tap Bearing box on the table Large spiral bevel gear with Lock sleeve comes out from Bearing box Large spiral bevel gear Lock sleeve Lock spring Pull off Lock sleeve while turning it counterclockwise Remove Bearing retainer 39 by unscrewing M3x6 Pan head s...

Page 8: ...earing retainer 39 to Bearing box And secure them with M3x6 Pan head screws And them assemble Spindle with Arbor press Flat washer 15 Ball bearing 6002DDW Spindle ASSEMBLY 1 Assemble Ball bearing 6002DW and Spindle to Bearing box as illustrated in Fig 21 2 Assemble SJS components to Large Spiral bevel gear as illustrated in Figs 22 and 23 Fig 23 Assembly of SJS components Fig 22 Assembly of SJS co...

Page 9: ...in Fig 24 1R036 Set Bearing box onto 1R036 while inserting Spindle into the center hole of 1R036 And putting 1R030 onto Large spiral bevel gear assemble Large spiral bevel gear to Spindle by pressing with Arbor press 1R030 After mounting Lock washer and Flat washer 8 secure them with Ring spring 7 And then assemble Ball bearing 696ZZ with Arbor press Ball bearing 696ZZ Ring spring 7 Flat washer 8 ...

Page 10: ... Fig 27 Fig 28 1 Be sure to use new Pin cap for replacement and remove all the plastic dust on Shoulder pin 5 Fig 27 2 Assemble the components for Shaft lock mechanism as illustrated in Fig 28 Plastic dust O ring 7 Shoulder pin 5 Shoulder pin 5 Assemble Pin cap by pressing it to Shoulder pin 7 Insert Shoulder pin 7 through the hole of Gear housing complete Pin cap Do not forget to assemble Compres...

Page 11: ...this area Noise suppressor Do not use these Lead wire holders Handle set L Handle set L Fix Field lead wire white and Connecting lead wire white between Switch and Noise suppressor with these Lead wire holders before assembling Switch Noise suppressor s lead wire white Connect Field lead wire black and Noise Suppressor s Lead wire white to Switch terminal No 4 as illustrated above Switch Makita lo...

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