Necessary Repairing Tools - Makita BBO140 Technical Information

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

[1] NECESSARY REPAIRING TOOLS

Code No.
1R045 Gear extractor (large)
1R291 Retaining ring S and R pliers
781036-5 Wrench 10
[2] LUBRICATION
No need to lubricate.
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Fan 88, DC motor and Pulleys
DISASSEMBLING
(1) Disassemble Motor section from Housing set as drawn in Fig. 1.
Fig. 1
1. While holding Pad 123 firmly by hand,
unscrew three M4x16 Pan head screws.
Then remove Pad 123 and Bearing box
cover from Housing set.
Note: Bearing box cover may be removed
together with Pad 123.
Pad 123
4. While blocking Fan 88 with Slotted screwdriver inserted
through the vent of Housing set, remove M4x16 Pan head screw.
Then remove Flat washer 4, Bearing box with Ball bearing
6202DDW and Flat washer 15 from Housing set.
Slotted screwdriver
as a stopper
Description
2. Remove Brake ring
form Housing set.
Bearing
box cover
M4x16 Pan
head screw
Flat washer 4
Bearing box with
Ball bearing
6202DDW
Flat washer 15
removing/ mounting Spindle from/ to Motor bracket
removing/ mounting Retaining ring S-7 from/ to Spindle
removing/ mounting Pulley 7.5-24.1 from/ to DC motor
3. Unscrew M4x20 Pan head screw
Brake ring M4x20 Pan head screw
5. Remove Housing R by unscrewing
Housing L
Use for
and remove Skirt set (R & L)
from Housing set.
Skirt R
Skirt L
five 4x18 Tapping screws.
And then remove Motor section from
Housing L.
Housing R
4x18 Tapping
Motor section
screw (5 pcs.)
P 2/ 8