P 2/ 11
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
NECESSARY REPAIRING TOOLS
Code No.
Description
Use for
1R298
Hex bar 10 with square socket
removing Drill chuck
1R359
Chuck removing tool
removing Drill chuck
(If it is impossible to remove as per the
illustration below, refer to Repair Tool List.)
Hex wrench 10
-
removing Drill chuck
DISASSEMBLING/ASSEMBLING
1. Drill chuck
DISASSEMBLING
1.
Remove M6x22(-) Flat head screw by
turning it
clockwise
with Impact driver.
Fix shorter leg of Hex wrench 10 in the
jaws of Drill chuck.
Note:
Stable operation is available if you
tighten claws of Drill chuck with a Round
-bit in advance.
1
-
1
-bit
Impact driver
Hex wrench 10
–––––
4.
In order not to break Spindle, be sure to put the three
circled portions of the tool on workbench.
5.
Hit the other end of Hex wrench 10 with Hammer.
1
-
2
1
-
3
9.
Firmly hold the grip.
10. Push the upside of Switch to turn 1R298 Counterclockwise.
DTW450
1R298
2.
Set Speed change lever to Low speed mode
designated with 1.
3.
Fix shorter leg of Hex wrench 10 in the
jaws of Drill chuck.
6.
If it is difficult to remove the chuck, follow the steps below.
8.
Grip 1R298 with Drill chuck.
7.
Insert 1R298 into DTW450.
Makita Corporation