Makita DGA405 Technical Information page 3

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-1. Rotor, Ball bearing 629LLB, 607LLB, Spiral bevel gear 10
DISASSEMBLING
(1) Remove Rotor, Ball bearing 629LLB, 607LLB and Spiral bevel gear 10 as drawn in Fig. 2.
Fig. 2
1. Remove four 4x30 Tapping screws, and then separate the assembled part of Gear housing and Bearing box
from Gear housing cover.
Bearing box
2. Insert Slotted screwdriver into
the notch of Gear housing cover,
then pry off Gear housing cover
from Motor housing.
3. While holding Rotor ass'y by a gloved hand,
turn M6 Hex nut counterclockwise with Wrench 10.
Then remove Spiral bevel gear 10.
Rotor ass'y
M6 Hex nut
Spiral bevel gear 10
5. Press down Ball bearing 629LLB with 1R286.
1R286
Small hole
Ball bearing 629LLB
Gear housing cover
Gear housing
4x30 Tapping screw
(4 pcs.)
Motor housing
Slotted screwdriver
Gear housing cover
Note: Face the small hole toward upward.
Do not face the large hole toward
upward. (Refer to Fig. 4 of Page 4.)
Notch of Gear housing cover
4. Hook the jaws of 1R045 with Gear housing cover,
then push out Rotor ass'y.
In this step, Ball bearing 629LLB still remains in
Gear housing cover.
1R045 Gear housing cover
6. Remove Ball bearing 607LLB with 1R269.
1R269
P 3/ 11
Ball bearing 629LLB
Rotor ass'y
Ball bearing
607LLB