Makita BO5030 Technical Information page 3

R
epair
[3] DISASSEMBLY/ASSEMBLY (cont.)
DISASSEMBLING
6) Loosen 4x18 Tapping screws and remove Skirt L and Skirt R. (Fig. 5)
7) Remove Fan 88 from Armature shaft. Ball bearing 6202DDW, Bearing box and Flat washer 15 are left in Fan 88
together. (Fig. 6)
Note: Do not miss Flat washer 15 between Fan 88 and Ball bearing 6202DDW. (Fig. 7)
8) Remove Bracket with Armature ass'y by loosening 4x18 Tapping screws. (Fig. 8)
9) Remove Bracket from Armature ass'y using arbor press. (Fig. 9)
10) Use waterpump pliers so that the jaws of 1R269 are not open and remove Ball bearing 607DDW from Armature
commutator end shaft using their tools. (Fig. 10)
11) After installing M4x16 Pan head screw, use 1R269 with waterpump pliers to remove Ball bearing 629DDW from
Armature shaft. (Fig. 11)
Note: The clearances between Ball bearing 607DDW and Insulation washer, and Ball bearing 629DDW and Washer 9 are
very small. Therefore, waterpump pliers are required to securely hook their Ball bearings with the jaws of 1R269.
Fig. 5
4x18 Tapping screw (2 pcs)
Skirt R
Fig. 8
Bracket with
Armature ass'y
4x18 Tapping
screw (4 pcs)
Fig. 9
Bracket
Armature
Fig. 6
Skirt L
Fan 88 with Ball bearing
6202DDW, Bearing box
and Flat washer 15
Fig. 10
waterpump pliers
Fig. 11
arbor press
M4x16 Pan head screw
(to protect Armature shaft thread)
Fig. 7
1R269
Washer 9
Ball bearing 629DDW
P 3/ 7
Fan 88
Flat washer 15
Bearing box
Ball bearing 6202DDW
Insulation
washer
Ball bearing 607DDW