Makita TM30D Technical Information page 9

[8] Receive Ball bearing 6902 with 1R037, and pull out Crank shaft, and then remove the following parts.
1R037
5-2-2 Assembling
[1] Assemble by reversing the disassembly procedure.
Fig. 5-2-2-1
[2] Receive Ball bearing 6902 with 1R029, and press-fit
Crank shaft.
Ball bearing 6902
Note: Its orientation does
not matter.
1R029
Fig. 5-2-1-7
Ball bearing
6902
Ball bearing
6902
[3] Assemble Spacer 21, and press-fit Ball bearing 6902
Crank shaft
Note: Its orientation does
9 / 13
Crank shaft Spacer 21
Fig. 5-2-2-2
with 1R029.
Ball bearing 6902
not matter.
Ball bearing
6902
Sphere bearing
505
Retaining ring S-5
1R029
Spacer 21