Makita M5802 Technical Information page 8

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -2-c Blade case complete
ASSEMBLING
(1) Assemble Bearing box to Blade case complete. Refer to right illustration in Fig. 10.
(2) Assemble Compression spring 5 and Shaft lock to Blade case complete.
And then, assemble Armature assembly to Blade case complete.
Putting O ring 18 and Flat washer 14 into Bearing box of Motor housing
complete, assemble the Motor housing complete to Blade case complete.
So, Base can be separated from Blade case complete. See Fig. 4.
(3) Fasten Motor housing complete to Blade case complete with three M5x40 Pan head
screws. Refer to left illustration in Fig. 10.
(4) Further step of Assembling can be proceeded by taking reverse step of Disassembling. Refer to Fig. 3, Fig. 2.
[3] -3 Bearing box, Gear section
DISASSEMBLING
(1) Disassemble Safety cover as shown in Fig. 8.
(2) Disassemble Bearing box from Blade case complete. And remove Ball bearing 606ZZ and Retaining ring S-12
as shown in Fig. 11.
1. Unscrewing M5x16 Pan head screw,
remove Bearing box.
Bearing box
M5x16 Pan head screw
(2 pcs.)
(3) Disassemble Spindle and Helical gear 38 from Bearing box as shown in Fig. 12.
1. Put Bearing box on 1R217, then applying 1R032 to the stepped portion
of Spindle as illustrated below, strike the 1R032 with Arbor press to push
out Spindle halfway as illustrated below.
Arbor press
1R032
Helical gear 38
Bearing box
1R217
< Note >
Ball bearing 6201ZZ in Bearing box
has been damaged by the shock of Arbor press.
Do not re-use the removed one.
Fig. 11
2. Remove Ball bearing
606ZZ with 1R269.
Helical gear 38
Spindle
Ball bearing 606ZZ
Fig. 12
Spindle, pushed
Refer to center illustration in Fig. 10.
3. Remove Retaining
ring S-12 with 1R291.
1R291
1R269
Retaining
ring S-12
2. Replacing with 1R032,
apply 1R280 to Spindle.
Press the 1R280 with Arbor press.
Now, Spindle is disassembled
from Helical gear 38.
1R280
out halfway
P 8 / 12
4. Remove
Thickness ring.
Thickness ring
Helical gear 38
Ring 12
Spindle