P 4 / 7
R
epair
ASSEMBLING
1. Check that O ring 39 is fit in a groove of Bearing box and Thickness ring is put on
Bearing box as illustrated in Fig.10.
2. Fix the Gear section to the machine as Fig.8 of page 3.
3. Hook one end of Tension spring 3 into a hole of Safety cover as mentioned in Fug.11.
4. Install safety cover in place while hooking the other end of Torsion spring 3 into a hole
of Blade case set.
5. Fix Rubber ring 6 and M6 countersank head screw to Blade case complete.
1. Remove Ball bearing 606ZZ using 1R269 "Bearing extractor".
2. Remove Retaining ring S-12 using 1R291 "Retaining S & R pliers".
3. File the outsides of two spikes of 1R340 "Bearing retainer wrench" to match the spikes into the notches of Bearing
retainer 19-29. Turn Bearing retainer wrench counterclockwise to remove Bearing retainer 19-29 from Bearing box.
Refer to Fig.12.
4. Put Bearing box on 1R232 "Pipe 30", and push the step of Spindle at its small end side using 1R026 "Bearing
setting pipe 16-8.2" and Arbor press to align the step of Spindle with the surface of Spur gear 52 as illustrated in
Fig.13.
5. Separate Spur gear 52 from Spindle using Arbor press.
6. Remove Ball bearing 6001DDW using 1R269 "Bearing extractor".
Fig.11
Fig.10
Inner flange side
Bearing box side
Hook Torsion spring 3 into the hole of safety cover
from bearing box side.
Do not hook Torsion spring 3
from inner flange side.
Inner flange side
Bearing box side
Inner flange side
Bearing box side
Wrong
Correct
Safety cover
Torsion spring 3
Fig.12
Bearing box
O ring 39
Notches of
Bearing
retainer 19-29
Bearing retainer wrench
(1R340)
Spikes of Bearing
retainer wrench
[6] Replacing Spur Gear 52, Ball Bearing 606ZZ and Ball Bearing 6001DDW
Thickness ring
Fig. 13
1R232
Pipe 30
1R026
Bearing Setting
Pipe 16-8.2
Step pf
Spindle
Spur gear 52
Arbor press
Small
end of
Spindle
