Necessary Repairing Tools - Makita BO5030 Technical Information

R
epair
CAUTION: Unplug the tool and remove the abrasive disc for safety before repair/ maintenance!

[1] NECESSARY REPAIRING TOOLS

Code No. Description
1R269 Bearing extractor
[2] LUBRICATION
Lubrication is not required for this product because no gear is used for transmission.
[3] DISASSEMBLY/ASSEMBLY
DISASSEMBLING
Switch and Power supply cord are readily replaceable by removing Top cover.
1) Remove Top cover from Motor housing by unscrewing three 4x18 Tapping screws, then disconnect Flag terminal from
each Brush holder. (Fig. 1)
2) Clamp the terminal of Brush holder with long-nose pliers, then pull up Brush holder together with Carbon brush while
pushing Carbon brush with slotted screwdriver. (Fig. 2)
Note: Do not scratch Commutator when clamping the terminal of Brush holder with long-nose pliers.
Fig. 1
Flag terminal
Motor housing
3) Remove Pad 123, Bearing box cover and Brake ring by unscrewing four M4x16 Pan head screws. (Fig. 3)
Note: Brake ring is not dropped out of machine. Pull it out by hand.
4) Lock Armature shaft by inserting screwdriver from the discharge nozzle of Skirt to hold Fan 88 linked with Armature
shaft. (Fig. 4) and remove M4x16 Pan head screw from the locked Armature shaft.
Bearing box cover, Ball bearing 6202DDW and Flat washer 4 can be removed.
Fig. 3
Removing Ball bearings
4x18 Tapping
screw (3 pcs)
Top cover
Brake ring
Bearing box cover
Pad 123
M4x16 Pan head
screws (3 pcs.)
Use for
Fig. 2
Slotted screwdriver
Carbon brush
terminal of
Brush holder
Fig. 4
P 2/ 7
Long-nose pliers
Screwdriver
Fan 88
Bearing box cover
Ball bearing 6202DDW
Flat washer 4
M4x16 Pan head screw