Necessary Repairing Tools - Makita GA4034 Technical Information

R
epair
CAUTION: Repair the machine in accordance with "Instruction manual" or "Safety instructions".

[1] NECESSARY REPAIRING TOOLS

Code No. Description
1R004 Retaining ring S pliers ST-2
1R005 Retaining ring R pliers RT-2N Removing / Assembling Retaining ring R-32
1R006 Retaining ring R pliers RT-2E Removing / Assembling Retaining ring R-26
1R031 Bearing setting pipe 28-20.2
1R268 Spring pin extractor M3
1R269 Bearing extractor
[2] LUBRICATIONS
Apply the following lubricant to protect parts and product from unusual abrasion.
Item No. Description
9 O ring 26 Inner periphery
18
Gear housing Gear room where Spiral bevel gears 37 and 10 rotate
Fig. 1
18
[3] DISASSEMBLY/ASSEMBLY
[3]-1. Armature, Ball bearing 629DDW, Ball bearing 607DDW, Spiral bevel gear 10
DISASSEMBLING
(1) After separating Rear cover from Motor housing, disconnect Carbon brushes from Armature's commutator. (Fig. 2)
Fig. 2
1. Remove Rear cover by loosening 4x14 Tapping screw.
2. Remove Switch lever A complete.
3. Shift Spiral springs from the heads of Carbon brushes to the edges of Brush holders.
Then lift Carbon brushes so as to be detached from Armature's commutator.
Carbon brush
Spiral spring
(2) Separate Bearing box from Gear housing, and then remove Motor housing. (Fig. 3)
Fig. 3
Remove Bearing box from Gear housing
by loosening four M4x14 Pan head screws.
M4x14 Pan
head screw (4pcs.)
Gear housing
Removing / Assembling Ring spring 11
Removing Spiral bevel gear 37
Disassembling Shaft lock
Removing Ball bearing 696ZZ
Portion to lubricate
9
edge of
Brush holder
Gear housing
Bearing box
4x22 Tapping
screw (4pcs.)
Use for
Makita grease SG.No.0
Switch lever
A complete
Remove Motor housing from Gear housing
by loosening four 4x22 Tapping screws.
P 2/ 11
Lubricant Amount
a little
7g
4x14 Tapping screw
Motor housing