Makita GA4030 User Manual

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R
epair
[2] LUBRICATION
[1] NECESSARY REPAIRING TOOLS
CAUTION: Unplug the tool and remove the following parts for safety before repair/ maintenance
                     in accordance with the instruction manual!
                     Depressed center wheel, Inner flange, Lock nut, Wheel cover 
Fig. 1
Apply the following lubricants to the designated portions to protect parts and product from unusual abrasion.
Item No.
Description
O-ring 26
inside
Gear room
Portion to lubricate
18
Gear housing
Lubricant
Amount
a little
6.9g
Makita grease SG No. 0 
Makita grease SG No.0
9
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Armature, Ball bearing 629DDW, Spiral Bevel Gear 10
Fig. 2
DISASSEMBLING
Description
Retaining ring S pliers ST-2 
Code No.
1R004
Retaining ring R pliers RT-2N 
1R005
Retaining ring R pliers RT-2E 
1R006
Bearing setting pipe 28-20.2 
1R031
Spring pin extractor M3 
1R268
Bearing extractor (small) 
1R269
Round bar for arbor 7-50 
Removing / Installing Ring spring 11  
Removing / Installing Retaining ring R-32 
Removing / Installing Retaining ring R-26 
Removing Spindle from Spiral bevel gear 37
Disassembling Shaft lock mechanism
Round bar for arbor 18-100 
1R246
Removing Ball bearing 6201DDW when difficult to remove by hand
Removing Ball bearing 696ZZ from Spindle
Removing Switch lever from Switch knob
1R281
Use for
Spiral bevel gear 10
M6 Hex nut 
4x18 Tapping screw
Rear cover
Brush holder
(1) Remove Rear cover by loosening 4x18 Tapping screw.     
(2) Move Carbon brushes away from Armature’s commutator to prevent scratching.
18
9
Shift Spiral spring from
Carbon brush top.
Move Carbon brush away from
commutator by pulling it up.
No need to remove.