R
epair
P 9 /12
< 9 > Disassembling gear housing section
(1) Remove ball bearing 6302 from crank shaft with 1R044 "Small gear extractor". See Fig. 29.
(2) Holding bearing box mounted to gear housing, with 2 pcs. of round bars for arbor (approx. Ø30mm)
press the crank shaft and remove it from gear housing. See Fig. 30.
Be careful, not to lose woodruff key 4 in this step.
(3) Then, helical gear 57 and ring 25 can be separated from gear housing. See Fig.31.
Remove bearing box by unscrewing hex socket head bolts M6x22. Then, ball bearing 6205LLU can be separated
from gear housing. See Fig.32.
Crank shaft
Ball bearing
6302
1R044
Small gear extractor
Woodruff
Key 4
Crank shaft
Bearing box
Helical gear 57
Helical gear 57
Gear housing
Gear
housing
Gear
housing
2 x Round bar for arbor
with Ø30mm
Helical gear 57
Ring 25
Hex socket bolts
M6x22
Ball bearing
6205LLU
Bearing box
< 10 > Assembling gear housing section
(1) Mount ball bearing 6205LLU to bearing box. Fasten the bearing box with 4 pcs. of hex socket
head bolts M6x22. See Fig. 33.
(2) Mount crank shaft by pressing through ball bearing 6205LLU with arbor press. See Fig. 34.
(3) Mount ring 25 through crank shaft and insert woodruff key 4 into the groove of crank shaft. See Fig. 35.
Hex socket bolts
M6x22
Crank shaft
Crank shaft
Bearing box
Gear housing
Ring 25
Woodruff key 4
Ball bearing
6205LLU
Bearing box
< Note > It is recommended to put grease into the groove of crank shaft to prevent woodruff key 4 from falling off
crank shaft at the mounting of helical gear 57.
Fig. 29
Fig. 30
Fig. 31
Fig. 32
Fig. 33
Fig. 34
Fig. 35
