P 7/ 12
R
epair
DISASSEMBLING
ASSEMBLING
(3) Disassemble Ball bearing 6201DDW from large Spiral bevel gear as drawn in
Fig. 8
.
Fig. 8
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.
2. Take out Felt ring 17 and Flat washer 21
from Bearing box.
3. Remove Ball bearing 6201DDW with Arbor press.
1R340
Bearing
retainer 20-33
Bearing
retainer 20-33
Felt ring 17
Felt ring 17
Flat washer 21
Assemble by reversing the disassembly procedure. (Refer to
Figs. 8
,
7
and
6
)
Note
:
•
Do not re-use the removed Joint sleeve. New Joint sleeve has to be mounted.
(Refer to the
upper right
illustration in
Fig. 7
)
•
Apply the following thread locker to the thread of M4x16 Hex socket head bolts, if the unscrewed bolts are used.
* ThreeBond 1342
* Loctite 242
(Refer to the
upper left
illustration in
Fig. 6
)
•
Coupling, large Spiral bevel gear, Ball bearing 6903ZZ have to be assembled tightly so that there is no gap
between them. See the
left
illustration in
Fig. 9
.
Ball bearing
6201DDW
Ball bearing
6201DDW
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Spiral bevel gear [large one], Ball bearings 696ZZ/ 6201DDW (cont.)
Fig. 9
Incomplete assembling causes gaps.