-2-
(2) Hold Spindle (A)
[4]
with an open-end wrench secured to the vise as shown in Fig. 2. Mount a pipe
onto the hex. bar wrench. Turn the hex. bar wrench counterclockwise to loosen the Drill Chuck
[3]
.
(3) This step is only for the keyed chuck.
Secure the tip of the Drill Chuck
[3]
with the J-78 ring and J-78 ring ass’y (disassembly tools). Then
secure these disassembly tools with a vise to prevent from turning. Fit the J-140 wrench ass'y
(disassembly tool) to Spindle (A)
[4]
, and turn it counterclockwise to loosen the Drill Chuck
[3]
. (Fig. 3)
2. Removal of handle cover (B)
(1) Loosen the Screws D4 x 20
[51]
and remove Handle Cover (B)
[49]
.
3. Removal of the brush holder
(1) Insert the tip of a small flat-blade screwdriver into the clearance between Housing (B)
[43]
and Click
Plate
[44]
, and then pry the arm of the Click Plate
[44]
off as shown in Fig. 4-1.
(2) Lift up the end of the Spring
[47]
with a small flat-blade screwdriver to release it from the Carbon Brush
[46]
, and hitch it on the Brush Holder
[52]
as shown in Fig 4-2 .Then pull out the Carbon Brush
[46]
from the Brush Holder
[52]
.
(3) Remove the Brush Holder
[52]
from Housing (B)
[43]
.
Fig. 2 • Removal of the drill chuck
Hex. bar wrench
Pipe
Turn it counterclockwise.
Vise
Open-end wrench
Fig. 3 • Removal of the drill chuck
Vise
Turn it counterclockwise.
J-140 wrench ass'y
Drill chuck
J-78 ring ass’y
J-78 ring
