Makita GA7050R Instructions Manual page 5

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-2. Large spiral bevel gear, Ball bearing 608ZZ, Ball bearing 6202DDW
DISASSEMBLING
(1) Large spiral bevel gear can be disassembled as illustrated in Figs. 9, 10R and 11.
Fig. 9
Remove Bearing box from
Gear housing complete.
M5x16 Hex socket
head bolt (4pcs.)
Fig. 10R
Correct setting
Receive the cylindrical portion of Bearing
box with Turn table of arbor press.
Cylindrical portion
Turn table of Arbor press
Fig. 11
Remove Spindle complete by pressing with Arbor press.
Ball bearing 6202DDW in Bearing box has a damage in this step.
Do not reuse Ball bearing 6202DDW after removal of Spindle complete.
Spindle complete
Remove Ball bearing 608ZZ with 1R269.
1R269
Ball bearing
608ZZ
Fig. 10F
The brim portion of Bearing
box is received with Turn table
of arbor press.
Bearing box
Large spiral bevel gear
Bearing box
Enlarging the clearance of Ring spring 13
with 1R004, lift up the opposite side
with slotted screwdriver.
Ring spring 13 can be removed.
Slotted screwdriver
Ring spring 13
The following wrong settings causes deforming.
Turn table of Arbor Press
Ball bearing
6202DDW
1R004
Labyrinth ring portion of Spindle
complete is received with
Turn table of arbor press.
Remove Bearing retainer by
unscrewing three M4x16 Pan
head screws.
M4x16 Pan head
screw (3pcs.)
Bearing
retainer
P 5/ 8