P 3/ 8
R
epair
DISASSEMBLING
[3] DISASSEMBLY/ASSEMBLY
[3]-2. Drill chuck
Hex
wrench
ASSEMBLING
Assemble Drill chuck as shown in
Fig. 4
.
Note
: Set the fastening torque of 1R223 to
70N·m ~ 80N·m (714kgf·cm ~ 816kgf·cm)
and turn 1R223 clockwise.
Wrench 43
(781024-2)
1. Hold 1R139 firmly with vise, then set the machine
to 1R139 by fitting the flat portion of Spindle
to the groove of 1R139.
2. Set Wrench 43 (781024-2) to Drill chuck so that
the pin of Wrench 43 is inserted into the hole of
Drill chuck.
3. Turn Wrench 43 (781024-2) counterclockwise
to remove the damaged Drill chuck.
Damaged Drill chuck
Drill chuck S-13
(1) Remove Drill chuck S-13 from the machine as drawn in
Fig. 3
or
Fig. 3A
.
(2) In case of
the damaged Drill chuck
, use Wrench 43 (781024-2) to remove the damaged one as drawn in
Fig. 3A
.
1R139
1. Secure a hex wrench in Drill chuck firmly.
2. Hold 1R139 firmly in vise, then set the machine
to 1R139 by fitting the flat portion of Spindle
to the groove of 1R139.
3. Attach a pipe to a hex wrench, and then turn the pipe
counterclockwise to remove Drill chuck.
Note: Be careful not to remove the hex wrench from
the pipe and Drill chuck.
Fig. 3A
Fig. 3
Fig. 4
Pipe
1R298
Drill chuck S-13
1R224
1R223
1R139
1. Secure 1R298 in Drill chuck firmly.
2. Hold 1R139 firmly in vise, then set the machine
to 1R139 by fitting the flat portion of Spindle
to the groove of 1R139.
3. Attach 1R224 to 1R223, and then set them to 1R298.
4. Turn 1R223 clockwise to assemble Drill chuck to
Spindle.
