Makita SA7000 Technical Information page 4

R
epair
[3]- 2. Replacing Spiral Bevel Gear 43 and Ball Bearing 6202DDW (cont.)
DISASSEMBLING
3) Remove Ball bearing 608LLB from spindle using 1R269 as illustrated to left in Fig. 8.
4) Remove Retaining ring S-15 from Spindle using 1R291 as illustrated to right in Fig. 8.
Now Spiral bevel gear 43 and Woodruff key can be removed from Spindle by hand.
5) Remove Spindle from Bearing box using 1R045 and 1R346. (Fig. 9)
Fig. 8
1R269
Bearing box
Ball bearing
608LLB
6) Fix Bearing box securely in vise, and remove
Bearing retainer from Bearing box using 1R340
as illustrated in Fig. 10.
7) Remove Ball bearing 6202DDW from Bearing box
by hitting it straight against the surface of work bench.
If cannot be removed, use arbor press.
ASSEMBLING
Do the reverse of the disassembling steps.
Note: When assembling Spiral bevel gear 43 to Spindle,
be careful not to allow Woodruff key 4 to be out of position.
It is recommended to apply grease to the key slot on Spindle
in order to hold the Woodruff key securely in place. (Fig. 11)
[3]- 3. Replacing Shaft Lock Section
DISASSEMBLING
1) Remove Bearing box from Gear housing. (Fig. 7)
2) Pull off Shoulder pin 7 with pliers while pushing Pin cap with a
finger. (Fig. 12)
Note: Do not pull off Shoulder pin 7 without holding Pin cap
because Compression spring 7 would sling Pin cap.
ASSEMBLING
Do the reverse of the disassembling steps.
Note: Do not reinstall removed Pin cap because removal of Shoulder
pin 7 damages the inside surface of Pin cap. Be sure to remove
plastic dust of Pin cap from Shoulder pin 7 and to assemble it
to a new Pin cap.
Fig. 9
1R291
Retaining
ring S-15
Fig. 10
Turn the handle of
1R340 counterclockwise.
Fig. 11
Spiral bevel gear 43
Fig. 12
Shoulder pin 7
Compression
spring 7
1R045 1R346
Spindle
Woodruff key 4
Pin cap
P 4/ 6
1R340
Bearing box
Gear housing