Makita GA4043C Technical Information page 9

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Spiral bevel gear [large one], Ball bearings 696ZZ/ 6201DDW (cont.)
DISASSEMBLING
(3) Disassemble Ball bearing 6201DDW from Bearing box as drawn in Fig. 9.
Fig. 9
1. Clamp Bearing box with Vise. Then, while fitting the claw of 1R340 to the notch of Bearing retainer 20-33,
turn 1R340 clockwise to remove the retainer.
Bearing
retainer 20-33
2. Take out Felt ring 17 and Flat washer 21
from Lead flange side of Bearing box.
Felt ring 17
Flat washer 21
ASSEMBLING
Assemble by reversing the disassembly procedure. (Refer to Figs. 9, 8 and 7)
Note: • Do not re-use the removed Joint sleeve. New Joint sleeve has to be mounted.
(Refer to the bottom center illustration in Fig. 7)
• Apply the following thread locker to the thread of M4x16 Hex socket head bolts if the unscrewed bolts are used.
* Three Bond 1342
* Loctite 242
(Refer to the upper left illustration in Fig. 7)
• Coupling, large Spiral bevel gear, Ball bearing 6903ZZ have to be assembled tightly that there is any gaps
among them. See the left illustration in Fig. 10.
Fig. 10
1R340
3. Remove Ball bearing 6201DDW with Arbor press.
Ball bearing
6201DDW
Bearing
retainer 20-33
Incomplete assembling causes gaps.
P 9/ 14
Felt ring 17
Arbor press
Ball bearing
6201DDW