Necessary Repairing Tools - Makita GA5010 Technical Information

R
epair
CAUTION: Unplug the machine and remove the wheel and the wheel cover from the machine
for safety before repair/ maintenance in accordance with the instruction manual!

[1] NECESSARY REPAIRING TOOLS

Code No.
Retaining ring pliers ST-2
1R004
[1R291 can be used instead of 1R004.]
1R005 Retaining ring pliers RT-2N
1R030 Bearing setting pipe 25-17.2
1R036 Bearing setting plate 17.2
1R039 Armature holder 41.5 [one set required]
1R258 V block [2pcs required]
1R268 Spring pin extractor M3
1R269 Bearing extractor
1R350 Ring 60
--- Adjustable wrench
--- Wrench 11
[2] LUBRICATION
Lubricate the parts below in order to protect parts and product from unusual abrasion.
All models: Put approx. 15g of Makita grease SG No.0 in the gear room of Gear housing.
GA5020/ GA6020: Apply Makita Grease SG No.0 to the portions designated with the mark of
Item No. Description
39 Lock spring 16
49 Spindle
Fig. 1
Large spiral bevel gear*
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Armature, Small spiral bevel gear
DISASSEMBLING
1) After removing Carbon brush, separate Gear housing
together with Armature from Motor housing complete
by unscrewing four M5x18 Pan head screws. (Fig. 2)
2) Separate Bearing box from Gear housing by unscrewing
four 5x25 Tapping screws. (Fig. 2)
*3: Different spiral bevel gears are used
by different models as follows:
GA5010 and GA5020/ Spiral bevel gear 13
GA6010 and GA6020/ Spiral bevel gear 11
Description
Outside surface
Surface that contacts Large spiral bevel gear*
2
39
49
, Ball bearing 6000DDW
*
3
Removal/installation of Ring spring 11 (GA5010/GA6010)
Removal/installation of Ring spring 7 (GA5020/GA6020)
Removing Retaining ring R-30
Installation of Large spiral bevel gear*
Removal/installation of Hex nut M7
Removing Large spiral bevel gear (GA5010/GA6010)
Disassembling Shaft lock section
Removing Ball bearing 696ZZ
Disassembling Shaft lock section
Removing Lock sleeve and Lock spring 16
Removal/installation of Hex nut M7
*1: Different spiral bevel gears are used by different models
as follows:
GA5010/ Spiral bevel gear 34A
GA6010/ Spiral bevel gear 35A
Portion to lubricate
1
*2: Different spiral bevel gears are used
Fig. 2
Motor housing
complete
Use for
(GA5010/GA6010)
1
. (Fig. 1)
by different models as follows:
GA5020/ Spiral bevel gear 34B
GA6020/ Spiral bevel gear 35B
Tapping screw Pan head screw
5x25 (4pcs) M5x18 (4pcs)
Bearing box
Gear housing
P 2 / 9