R
epair
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
[2] DISASSEMBLY/ASSEMBLY
[2]-1. Double sleeve drill chuck
DISASSEMBLING
ASSEMBLING
Fig. 1
Fig. 2
M6x22 - Flat head screw
(left-hand screw)
Workbench
Hex wrench 8
Make sure that three portions designated
must touch workbench firmly.
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.
(1) Open the jaws of Drill chuck fully, and turn M6x22 - Flat head screw (left-handed and threadlocker coated)
clockwise
with Slotted screwdriver.
When it is difficult to remove the screw, use Vise and Impact driver. (
Fig. 1
)
(2) Install Hex wrench 8 into Drill chuck and tighten it firmly. Then set the machine to Drill mode and Low gear mode.
(3) Holding the machine on workbench firmly, strike the wrench end with Plastic hammer to turn Drill chuck
counterclockwise.
(Fig. 2)
(1) Seat Drill chuck on Spindle.
(2) Set the machine to Drill mode, Low gear mode and Forward rotation mode.
(3) Secure the short end of Hex wrench 8 in the jaws of Drill chuck, and the long end in vise. (
Fig. 3
) Hold the grip
of the machine firmly so that your hand cannot be pulled away by reaction torque. And then tighten Spindle into
Drill chuck by pulling the trigger of Switch slowly at first and to the full speed in one second not to give impacts
carefully. (
Fig. 4
)
Note:
Release the trigger of Switch just after Spindle is locked. Do not keep on pulling the trigger for longer
than one second.
(4) Fasten Drill chuck to Spindle with M6x22 - Flat head screw by turning it counterclockwise.
Note: If you reuse the screw removed from Drill chuck, apply an appropriate amount of adhesive
(ThreeBond 1321B/ 1342 or Loctite 242) to the thread for secure fastening.
Vise
Hold the flats of this long end in vise.
Do not hold the edges.
Viewed from the front side
Hex wrench 8
Hex wrench 8
Fig. 3
Fig. 4
P 2/ 6
[1] NECESSARY REPAIRING TOOLS
Code No. Description
Use for
Hex wrench 8 removing / assembling Drill chuck
removing Drill chuck
Plastic hammer
