It is not required to lubricate the gear section because the portion is replaced as a factory-assembled gear unit.
(1) Set the machine and repairing tools. (Figs. 1, 2, 3)
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Drill chuck
[1] NECESSARY REPAIRING TOOLS
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
[2] LUBRICATION
DISASSEMBLING
Fig. 1 Fig. 2
Code No. Description Use for
1R359 Drill chuck removing tool
Hex wrench 8
(Use this tool if Drill chuck cannot be removed by the method of
described in “[3]-1 Drill chuck disassembling”.)
removing/ mounting Drill chuck
M6x22 Flat head screw
(Left-handed thread)
Open Keyless drill chuck fully and remove
M6x22 Flat head screw by turning it
clockwise.
Note: Use Impact driver to unscrew M6x22
Flat head screw if it could not be
removed manually.
F/R change lever
Set F/R change lever to
Reverse (counterclockwise)
rotation.
Set Speed change lever to
Low speed mode designated
with 1.
Speed change lever
Change ring
Set Change ring
to Drill mode.
Attach Battery.
Repair
P 2/ 11
CORRECT WRONG
Fig. 3
Setting of Hex wrench 8
Vise
Grip flat surfaces
of Hex wrench 8.
Hex wrench 8
Hex wrench 8,
viewed from side [A]
Vise
Hold the long end.
[A]
[A]
Do not hold edges of
Hex wrench 8.
Do not hold
the short end.
Hex wrench 8,
viewed from side [A]
Note: It is required to remove Drill chuck when replacing Gear assembly, but you need not
when replacing the parts that are independent of Gear assembly.
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