P
5
/ 1
2
R
epair
Fig. 14
Fig. 16
Fig. 17
Fig. 15
Inside view
Assembled part
*Spiral bevel gear 14
*Ball bearing 609ZZ
*Retaining ring S-9
1) Remove Gear case assembly from Shaft pipe. Refer to the previous page.
2) Remove M8x10 Hex bolt with plain washer 8. (Fig. 14)
Note: Do not miss them. The installation hole on Gear case assembly is a pouring spout of lubricant to gear teeth.
If they are not seated on, Gear case assembly leaks lubricant.
3) Remove Retaining ring R-24 using 1R006. (Fig. 14)
4) Strike Gear case assembly against worktable. Spiral bevel gear 14 with Ball bearing 609ZZ and Retaining ring S-9
can be removed. (Fig. 15)
5) Remove Retaining ring S-9 using 1R291.
6) Separate Ball bearing 609ZZ from Spiral bevel gear 14 using arbor press, 1R282 and 1R031 as illustrated in Fig. 16.
The parts mentioned above are as shown in Fig. 17.
[3]-2. Gear case assembly (for all models)
M8x10 Hex bolt with
plain washer 8
Retaining
ring R-24
Arbor press
1R282
1R031
Ball bearing
609ZZ
Ball bearing
609ZZ
Spiral bevel
gear 14
Spiral bevel
gear 14
M8x10 Hex bolt with
plain washer 8
Retaining ring S-9
Retaining ring R-24
Fig. 18
Fig. 19
Fig. 20
7) Remove Retaining ring R-28 using 1R291. (Fig. 18)
8) Assemble 1R033 and Receive washer to Cutter shaft by tightening M10-17 Hex nut,
and then tap Gear case assembly using plastic hammer as illustrated in Fig. 19.
Cutter shaft with Ball bearing 6001LLU can be removed by the weight of 1R033.
The parts mentioned above are shown in Fig. 20.
Note: 1) The following parts are not included in models BBC300L and AT-3630.
Therefore, they are not shown in Fig. 20. However, use M10-17 Hex nut and
1R033 to remove Cutter shaft for BBC300L and AT-3630.
*Clamp washer *Cup *M10-17 Hex nut
2) Refer to the instruction manual and the parts breakdown, and set Receive
washer in place when assembling.
9) Remove Ball bearing 6001LLU from Cutter shaft using 1R045.
1R033
M10-17 Hex nut
Plastic hammer
Receive washer
Retaining
ring R-28
Retaining
ring R-28
Ball bearing 6001LLU
Cutter shaft
