Repair Guide; Precautions On Disassembly And Reassembly - Hitachi DV 14DCL2 Service Manual

Be sure to remove the storage batteries from the main body before servicing. Inadvertent triggering of the
switch with the storage battery connected imposes 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 diagrams for the Models DV 18DCL2, DV 18DVC2, DV 14DCL2 and DV 14DVC2.
1. Removal of Housing (A).(B) Set
First, align the drill mark "
Remove the eight Tapping Screw (W/Flange) D3 x 16 (Black) [38] from the main body. Gently open
Housings (A) and (B) while holding the battery loading sections.
2. Removal of internal parts
After removal of Housing (B), all internal parts (assembled or separated) can be taken out as a single unit.
Lift the entire contents from Housing (A) while holding the Motor [36] and Clutch Dial [4].
3. Removal of the Drill Chuck 13VLRS-N (See Fig. 1.)
(a) Turn the Motor [36] counterclockwise (when viewed from the rear) and remove it from the Rear Case
[22]. Remove the Shift Knob [37] from the Shift Arm [24]. Be careful not to remove the Shift Arm [24]
from the Rear Case [22] in this operation.
(b) Attach the motor spacer to the assembly of the Drill Chuck 13VLRS-N [2], Clutch Dial [4], Front Case
[15] and Rear Case [22], and then mount the assembly on special repair tool J-348 clamped in the vise
as illustrated in Fig. 1. In this operation, confirm that the pinions press-fitted in the special repair tool J-
342 and Planet Gear (A) Set [27] are properly engaged.
(c) Secure the Slide Ring Gear [25] to the Front Case [15] side with the Shift Arm [24].
(d) Turn the sleeve of the Drill Chuck 13VLRS-N [2] counterclockwise (when viewed from the front) to fully
open the jaws of the Drill Chuck 13VLRS-N [2]. Turn Flat Hd. Screw (A) (Left Hand) M6 x 25 [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 13VLRS-N [2] as illustrated in Fig. 1, and then
turn the wrench counterclockwise to remove the Drill Chuck 13VLRS-N [2].

REPAIR GUIDE

Disassembly
" on the Clutch Dial [4] with the triangle mark on Housing (A).(B) Set [33].
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