P 3 /12
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Drill Chuck
R
epair
DISASSEMBLING
1R220
1R222
1R231
A-33750
Fig. 3
Fig. 4
1) Assemble 1R220, 1R222, 1R223 and A-33750 as illustrated in Fig. 3.
Note: Preset the fastening torque of 1R223 to 25- 30N.m (250- 300 kgf.cm).
2) Lock Spindle as you did in step 1) of
DISASSEMBLING
, then fix 1R231 securely in Drill chuck. (Fig. 4)
3) Assemble Drill chuck to Spindle by turning 1R231 and Drill chuck clockwise using the repairing tools described in
step 1) of
ASSEMBLING
. (Fig. 4)
See Fig. 2.
1) Fix 1R139 securely in vise, then lock Spindle
by putting it in the U-shaped notch of 1R139.
2) Fix Hex wrench 10 securely in Drill chuck.
Attach an appropriate steel pipe to Hex wrench 10
as extension bar.
3) Remove Drill chuck from Spindle by turning
Drill chuck counterclockwise using Hex wrench 10
and steel pipe.
ASSEMBLING
Drill chuck
Hex wrench 10
Spindle
Fig. 2
Vise
1R139
steel pipe
1R223
