Hitachi DV 14DL2, Руководство по обслуживанию, Страница: 2 / 19

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Be sure to remove the storage battery from the main body before servicing. Inadvertent triggering of the
switch with the storage battery connected poses the danger of the motor being accidentally turned on.
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 DV 14DL2 and DV 18DL2.
1. Adjust the clutch dial to “ ” with the triangle mark of the main body.
2. Removal of exterior parts
(1) Remove the Hook Ass’y [48] . Use a flat-blade screwdriver or a coin to remove Special Screw (A) M5
[59] . Then remove the Hook Ass’y [48] and Holder Spring [51] .
(2) Remove the four Tapping Screws (W/Sp. Washer) D3 x 20 (Black) [3] from the front side of the body,
and then remove Cover (A) [4] .
(3) First remove the Brush Cap [40] , and then use a flat-blade screwdriver to pry off the Carbon Brush 5 x
6 x 11.5 [39] (where the collars are positioned). Be sure to remove the Brush Caps [40] and Carbon
Brushes 5 x 6 x 11.5 [39] on both sides.
3. Disassembly of the main unit
Remove the eleven Tapping Screws (W/Flange) D3 x 16 (Black) [56] from the main unit. While holding the
battery chamber of the Housing (A).(B) Set [41] , gently open the Housing (A).(B) Set [41] . The internal
parts can then be removed in the fully assembled state or individually. All parts can be easily removed by
raising Dial Holder (B) [6] . The parts are separated into the drive unit, Click Spring [11] , Armature and
Pinion Set [36] , Magnet [37] , Pushing Button [44] , power supply unit, Shift Knob [45] , and Strap (Black)
[55] .
4. Disassembly of the gear unit
(1) Turn the Motor Spacer [35] counterclockwise (as viewed from the rear of the Armature and Pinion Set
[36] ) until a clicking sound is heard, and then remove the Motor Spacer [35] from the Rear Case [21] .
(2) Remove the Screw Set D2 x 3.5 (2 pcs.) [23] from the Rear Case [21] , and then remove the Shift Arm
[22] from the Gear Box Ass’y [5] . Do not deform the Shift Arm [22] by applying excessive force.
(3) Disassembly of the deceleration mechanism
Turn Washer (B) [34] mounted in the Rear Case [21] counterclockwise to remove it.
Take out the First Ring Gear [33] , Planet Gear (A) Set (4 pcs.) [32] , Needle Bearing Set (4 pcs.) [31] ,
Pinion (B) [30] , Planet Gear (B) Set (4 pcs.) [26] , Pinion (C) [25] , and Slide Ring Gear [27] in this order.
Then remove the Screw Set M3 x 12 (4 pcs.) [24] that connects the Front Case [10] and Rear Case
[21] . Take out Washer (A) [20] , the Planet Gear (C) Set (5 pcs.) [18] , Carrier [17] , Ring Gear [19] ,
Lock Cam [16] , Needle Roller Set (6 pcs.) [15] , Lock Ring (A) [14] , Washer (A) [13] , and Pin Set (6
pcs.) [12] from the Front Case [10] in this order.
NOTE: Do not lose any small parts. Pay attention to the Needle Roller Set (6 pcs.) [15] and Pin
Set (6 pcs.) [12] in this operation.
Disassembly
REPAIR GUIDE