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[3] DISASSEMBLY/ASSEMBLY
[3]-4. Tips on removing of Field

Fig. 19

Fig. 21

Fig. 20

Note:   Cracks may be happened to the edges of Motor housing by tapping with plastic hammer. Therefore, do not tap 
            the edges of Motor housing.
            Disconnect Field lead wires and remove Armature from Motor housing.
(1) After disassemble Baffle plate and two 4x70 Tapping screws (Fig. 19), assemble Gear housing to Motor housing 
     temporarily.
(2) Tap the front portion of Gear housing with plastic hammer until Field moves half from the original position. (Fig. 20)
(3) After removing Gear housing, set two 4x22 Tapping screws to Motor housing and then tap the screws’ heads carefully
     and alternately. (Fig. 21)

Baffle plate

Edge of Motor
housing (to match
with Gear housing)
Do not tap the portion.

4x70 Tapping Screw

Motor housing

4x22 Tapping screw
(4pcs. temporarily setting)

Gear housing

Field

Field

Summary of Contents for GA4034

Page 1: ...1 rpm Diameter Hole diameter Wheel size mm Protection against electric shock Power supply cord m ft Net weight kg lbs GA4034 100 4 Brazil Australia 2 0 6 6 Other countries 2 5 8 2 1 8 4 0 1 9 4 2 11 0...

Page 2: ...tion to lubricate Lubricant Amount 9 18 Makita grease SG No 0 7g a little 3 DISASSEMBLY ASSEMBLY 3 1 Armature Ball bearing 629DDW Ball bearing 607DDW Spiral bevel gear 10 DISASSEMBLING 4x22 Tapping sc...

Page 3: ...Note Cover the work table with something soft to avoid the damage on Gear housing before disassembling Ball bearing 629DDW Ball bearing 629DDW Retaining ring R 26 Remove Retaining ring R 26 with 1R00...

Page 4: ...g 3 Remove Ball bearing 696ZZ with 1R269 and then separate Ring spring 11 from Spindle with 1R004 Fig 12 2 Spindle Spiral bevel gear 37 and Labyrinth ring can be removed as illustrated in Fig 13 3 Rem...

Page 5: ...031 and assemble Spindle Labyrinth ring works as a shield against dust If Labyrinth ring is assembled to Spindle facing the groove surface to the upper side it does not work as a shield against dust f...

Page 6: ...ages the inside surface of Pin cap producing plastic dust Pin cap Pin cap Compression spring 8 1R268 Shaft lock can be disassembled as illustrated in Figs 15 and 16 1R350 Fig 16 Fig 15 ASSEMBLING Fig...

Page 7: ...nd two 4x70 Tapping screws Fig 19 assemble Gear housing to Motor housing temporarily 2 Tap the front portion of Gear housing with plastic hammer until Field moves half from the original position Fig 2...

Page 8: ...eath Black Brown Blue AC DC Switch models for Keppel corporation limited in Singapore etc Fig D 2 Strain relief Brown lead wire is used for some countries Blue lead wire is used for some countries Noi...

Page 9: ...holder to Switch Fig D 3 AC DC Switch models for Keppel comporation limited in Singapore etc to Switch Field lead wire red Field lead wire red Field lead wire red Field lead wire black Field lead wir...

Page 10: ...or housing Motor housing Right side view Motor housing Belly side view Rib A Rib Switch Power supply cord Rib B Field lead wires red black have to be tight in Motor housing Brush holder Pass Field lea...

Page 11: ...as not to contact Rib B Rib B Rib A Switch Power supply cord Field lead wires red black have to be tight in Motor housing Motor housing Pass Field lead wire black by Rib on the Brush holder side Motor...

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