P 8 / 13
R
epair
< 5 > Replacing bearing box
( 1 ) For easy disassembling adjust the cutting depth to the minimum level by pulling base plate down.
And then, separate safety cover from blade case by removing retaining ring S-42, tension spring 4, pan head screw
M6 x 20 and rubber sleeve 6 as illustrated in Fig. 12.
Retaining ring S-42
Tension spring 4
Rubber sleeve 6
Pan head screw
M6 x 20
Safety cover
Base plate
( 2 ) Take off 4 pcs. of pan head screws M4 x 16. Then, bearing box can be separated together with helical gear 39
and spindle, from blade case as illustrated in Fig. 12 A.
Fig. 12
Fig. 12 A
Pan head screws M4 x 16
( 3 ) Separate helical gear 39 with No.1R
1R044 "Gear extractor" from spindle as illustrated in Fig. 13.
Fig. 13
Helical gear 39
Spindle
( 4 ) Take off ring 15 and retaining ring R-35
with retaining ring plier. See Fig. 13 A.
( 5 ) Press spindle as illustrated in Fig. 13 B. So, spindle can be disassembled together with ball bearing 6202LLB from
bearing box.
Retaining ring R-35
Fig. 13 A
Fig. 13 B
Gear extractor
Press spindle.
Spindle
Ball bearing 6202LLB
Ring 15
( 6 ) Take reverses steps of the above for assembling new helical gear 39 and bearing box.