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ASSEMBLING

1. Check that O ring 39 is fit in a groove of Bearing box and Thickness ring is put on 
    Bearing box. (Fig.11)
2. Fix the Gear section to the machine as illustrated in Fig.9.
    Note: When reuse M5x16 countersunk head screws, be sure to apply the given adhesive
              (i.e., ThreeBond 1321B/ 1342 and Loctite 242) to the threads.
3. Hook one end of Tension spring 3 into a hole of Safety cover as mentioned in Fig.12.
4. Install Safety cover in place while hooking the other end of Torsion spring 3 into a hole
    of Blade case complete.
5. Fix Rubber ring 6 and M6 countersank head screw to Blade case complete.  

1. Remove Ball bearing 606ZZ using 1R269.
2. Remove Retaining ring S-12 using 1R291.
3. File the outsides of two spikes of 1R340 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.13.
4. Put Bearing box on 1R232, and push the step of Spindle at its small end side using 1R026 and Arbor press to align 
    the step of Spindle with the surface of Spur gear 52 as illustrated in Fig.14.
5. Separate Spur gear 52 from Spindle using Arbor press.
6. Remove Ball bearing 6001DDW using 1R269.

Fig.12

Fig.11

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.13

Bearing box

O ring 39

Notches of
Bearing
retainer 19-29

1R340

Spikes of Bearing
retainer wrench

[6] Replacing Spur Gear 52, Ball Bearing 606ZZ and Ball Bearing 6001DDW

Thickness ring

Fig. 14

1R232

1R026

Step pf Spindle

Spur gear 52

Arbor press

Small end of
Spindle

 4

6

R

epair

[5] Disassembling/Asssembling Safety Cover and Bearing Box (cont.)

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