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Makita GA5011 Technical Information Download Page 5

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[3] DISASSEMBLY/ASSEMBLY
[3] -3A. Large Spiral Bevel Gear, Spindle, Ball bearing 6202DDW
(GA5011, GA6011 without SJS)

R

epair

DISASSEMBLY

Disassemble Bearing box section
as illustrated in Fig. 3.
Remove Ball bearing 696ZZ
as illustrated above.

1R269

Fig. 10

Fig. 12

Note: If Ring spring 11 is deformed in this step, replace the deformed one
by the new one.

Note: Ball bearing 6202DDW is damaged when
removing Spindle with Arbor press in the step
of Fig. 12.
Therefore, do not reuse it when assembling.

Fig. 13

Fig. 11

1R005

1R258

Ring spring 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 Bearing
box section at the three bulges
with 1R258 for easy disassembling.

Bulge

Spindle with Labyrinth ring

Bearing
box

Bearing
retainer
39

Large spiral bevel gear

M3x6 Pan
head screw: 3 pcs.

(1) Separate Bearing box section, as illustrated in Figs. 2 and 3.
(2) Disassemble Bearing box section as illustrated in Figs. 10, 11, 12 and 13.

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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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