Makita HS7601 Technical Information page 6

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-2. Safety cover, Bearing box section
DISASSEMBLING
(1) Set the cutting depth of the machine to the maximum, and then remove Safety cover as drawn in Fig. 7.
Fig. 7
1. Remove Retaining ring S-38 with 1R003.
Then, separate M6x20 Pan head screw
and Rubber sleeve 6.
Rubber sleeve 6
M6x20 Pan head screw
Retaining ring S-38
Note: Look at Thickness ring and its assembled portion of Bearing box. If either of them has damage, replace it with
a new one.
(2) Remove Bearing box section as drawn in Fig. 8.
Fig. 8
1. Remove two M5x18 2. Remove Ball bearing 606ZZ with 1R269,
Pan head screws and
Bearing box section.
M5x18 Pan
head screw
Bearing box
5. Press down Spindle carefully with 1R280 and Arbor press.
Spindle is removed from Bearing box.
1R280
1R217
2. Remove Tension spring 4 from
Safety cover, and then separate
Safety cover from Bearing box.
and then separate Retaining ring S-12
with 1R291.
Retaining
Ball bearing
ring S-12
606ZZ
4. Tap 1R032 with Arbor press until the stepped portion
of Spindle moves toward the hole of Helical gear 38.
Note: Do not skip the steps 3 and 4. The disassembling
step 5 without steps 3 and 4 is dangerous and
cause the spindle to have damage.
Spindle
3. Remove thickness ring from
Bearing box.
Thickness ring
Safety cover
Tension spring 4
3. Put Bearing box on 1R217, and apply
1R032 to the stepped portion of Spindle.
Arbor press
1R032
Stepped portion
of Spindle
Bearing box
1R217
6. Helical gear 38 and Ring 12 are removed.
Helical gear 38
Ring 12
P 6/ 11
Bearing retainer
19-33