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[3] DISASSEMBLY/ASSEMBLY
[3] -1. Drill Chuck
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
DISASSEMBLING
Fig. 1
M6x22 Flat head screw (Left handed thread)
(1) Remove M6x22 Flat head screw as drawn in Fig. 1.
(2) Preset the machine as drawn in Fig. 2. And set Hex wrench 10 to Vise as drawn in Fig. 3.
(3) Gripping Hex wrench 10 with Drill chuck firmly, remove Drill chuck as drawn in Fig. 4.
Fig. 2
Attach Battery.
F/R change lever
Set F/R Change lever
to Reverse (counter-
clockwise) rotation.
Set Speed change lever
to Low speed mode
designated with 1.
Speed change lever
Set Change ring
to Drill mode.
Change ring
P 2/ 12
Repair
It is not required to lubricate the gear section because the portion is replaced as a factory-assembled gear unit.
[1] NECESSARY REPAIRING TOOLS
[2] LUBRICATION
Code No. Description Use for
1R359 Drill chuck removing tool
Hex wrench 10
(Use this tool if Drill chuck cannot be removed by the method of
described in “[3]-1 Drill chuck disassembling”.)
removing/ mounting Drill chuck
Open Drill chuck fully and remove M6x22
Flat head screw by turning it clockwise.
CORRECT WRONG
Fig. 3
Fig. 4
Setting of
Hex wrench
10
Vise
Grip flat surfaces
of Hex wrench 10.
Hex wrench 10
Hex wrench 10,
viewed from side [A]
Vise
Hold the long end.
[A]
Do not hold edges
of Hex wrench 10.
Do not hold
the short end.
Hex wrench 10,
viewed from side [A]
Note: Use Impact driver to unscrew
M6x22 Flat head screw if it
could not be removed
manually.
[A]
Clockwise
Counterclockwise
Hex wrench 10
Vise
Clockwise* recoil force
of Machine
*Note: The rotational direction is viewed from operator.
1. Hold Hex wrench 10 with Drill chuck and grip Machine.
Important:
Grip Machine tightly with both hands to provide
the sufficient counterclockwise* force against clockwise*
recoil force of Machine.
2. Pull Switch trigger slowly.
3. Spindle rotates counterclockwise* and consequently
Drill chuck is removed from spindle.
Counterclockwise* force to be applied by operator