-13-
Be sure to remove the storage battery (Types BSL 1415, BSL 1815) from the main body before servicing.
Inadvertent triggering of the switch with the storage battery connected poses the danger of the motor
accidently turning.
1. Precautions on Disassembly and Reassembly
[Bold]
numbers in the descriptions below correspond to item numbers in the Parts List and exploded
assembly diagram for the Models DS 14DSFL and DS 18DSFL.
1. Removal of the Hook
Remove the Truss Hd. Screw M4 (Black)
[29]
.
Remove the Hook
[30]
for easier disassembly work, which
can also be done without removing the Hook
[30]
.
2. Removal of Housing (A).(B) Set
First, align the drill mark "
" at the Clutch Dial
[4]
with the triangle mark at Housing (A).(B) Set
[25]
.
Remove the nine Tapping Screw (W/Flange) D3 x 16 (Black)
[26]
secured to the main body.
Gently open Housing (A) and Housing (B) while holding their battery loading sections. The internal parts
can then be removed collectively as a single assembly or individually. All parts can be easily removed by
raising the Gear Box Ass’y
[3]
. The parts are separated into the drive unit (including the Motor
[33]
and
Gear Box Ass’y
[3]
), the power supply unit (including the DC-Speed Control Switch
[40]
and Controller
Terminal Set
[41]
), and the Pushing Button
[32]
.
3. Removal of the Drill Chuck
(a) Turn the Motor
[33]
counterclockwise (as viewed from the rear) and remove it from the Rear Case
[14]
.
Remove the Shift Knob
[38]
from the Shift Arm
[16]
. Be careful not to remove the Shift Arm
[16]
from the
Rear Case
[14]
in this operation.
(b) Attach the motor spacer (an accessory of special repair tool J-342, Code No. 324-582) to the assembly
of the Drill Chuck
[2]
, Clutch Dial
[4]
, Front Case
[9]
and Rear Case
[14]
, then mount the assembly onto
special repair tool J-342 clamped in the vise as illustrated in Fig. 1. In this operation, confirm that the
pinion press-fitted in special repair tool J-342 and Planet Gear (A) Set
[21]
are properly engaged.
(c) Secure Slide Ring Gear (B)
[19]
to the Front Case
[9]
side with the Shift Arm
[16]
.
(d) Turn the sleeve of the Drill Chuck
[2]
counterclockwise (as viewed from the front) to fully open the jaws
of the Drill Chuck
[2]
. Turn the Special Screw (Left Hand) M6 x 23
[1]
clockwise and remove it. (Note
that the special screw is left-hand threaded.)
(e) Fit the hexagonal bar wrench M10 into the Drill Chuck
[2]
as illustrated in Fig. 1 and remove the Drill
Chuck
[2]
by turning the hexagonal bar wrench counterclockwise.
REPAIR GUIDE
Disassembly
