Hitachi FDS 10DVA Manuale utente

MODEL FDS 10DVA

−#1 −

1. REPAIR GUIDE:

Without fail, remove Type FEB 9 Storage Battery from the main body of the tool before attempting repair work

Because the tool is cordless, if the battery is left in and the switch is activated inadvertently, the motor will start

rotating unexpectedly and could cause serious injury.

1-1. Directions and Precautions for Disassembly and Reassembly of the Main Body:

The circled numbers in the descriptions below correspond to the item numbers in the Parts List and exploded

assembly diagram for the Model FDS 10DVA.

1-1-1. Disassembly:

(1) Removal of the Drill Chuck 8: (Fig.1)

Remove the Drill Chuck 8from the Spindle Gear Set

of the fully assembled driver drill in accordance

with the following procedures.

(a) Set the Shift Knob

to the “L” position to shift the gears to the Low-speed setting.

(b) Align the white line on the Cap 9with the drill mark ( ).

remember that the M5 x 20 Flat Hd. Screw 7is left-hand threaded, and must be loosened by turning

it to the right [clockwise].)

(d) Insert an M10 Hexagon Bar Wrench into the Drill Chuck 8, and strike it gently with a wooden or plastic

hammer to loosen the Drill Chuck in a counterclockwise direction. After the Drill Chuck has been

loosened, continue to rotate it counterclockwise by hand to remove it from the main body.

Fig. 1

(2) Disassembly of Housing (B):

Remove the seven D3 x 14 Tapping Screws 4which fix the main body. Then grasp the lower portions of

Housing (A) and Housing (B) where the battery is inserted, and gently separate them.

Loosen Hexagon Bar Wrench Shift Knob

Drill Chuck 8

Cap 9

White Line Drill Mark

−#2 −

(3) After Housing (B) has been removed, the parts inside may either be removed together in an assembled

state, or removed individually. First, remove the Shift Arm-Shift Knob Set

, being very careful not to allow

the Shift Spring

to fly out unexpectedly.

(4) Removal of the Motor

(a) Take off the Cap 9, Spring Holder

, Spring

, Thrust Plate

, and Steel Balls

, in that order. At

this time, be particularly careful not to lose the four Steel Balls

(b) Remove the four D3 x 8 Tapping Screws

, and remove the Motor

(5) Disassembly of Electrical Components:

[NOTE] The three lead wires from the FET (Field Effect Transistor) and the two lead wires from the Diode

are permanently connected to the Switch Ass’y

and should not be detached.

Remove the single M3.5 x 8 Bind Screw

. The FET of the Switch Ass’y

and the Fin can then be

disassembled. Remove the single M3 x 10 Bind Screw

. Then, use a soldering iron to disconnect the

lead wires of the Switch Ass’y

from the Motor

and the lead wires of the Switch Ass’y

from the

Terminal

1-1-2. Reassembly:

Reassembly can be accomplished by following the disassembly procedure in reverse. However, special

attention should be given to the following points.

(1) Reassembly of Electrical Components:

(a) Ensure that the wiring is connected as shown in the diagram in Fig. 2.

The red mark indicates the

positive ( +) terminal side.

Negative Terminal

Lead wire (Yellow)

M3.5 x 8 Bind Screw

Fin

Lead wire (White)

Positive Terminal

Motor

Lead wire (White)

Switch Ass’y

Diode

M3 x 10 Bind Screw

Lead wire (Yellow)

Terminal

Fig. 2

−#3 −

(2) Connecting the Spindle Gear Set

and the

Electrical Components Assembled as Described

in Para. (1):

When connecting the Spindle Gear Set

and the

electrical components assembled as described in

Para. (1) above,ensure that the colored lead

wires soldered to the Motor

are correctly

positioned with relation to the notched portion of

the Spindle Gear Set

before fastening the two

sections with the four D3 x 8 Tapping Screws

(See Fig. 3)

(3) Reassembly of the Clutch Section:

Assemble the Cap 9and Shift Arm

onto the Spindle Gear Set

. (See Fig. 4)

During assembly,be very careful not to allow the four Steel Balls

to drop out of the Spindle Gear Set

(a) When assembling the Spindle Holder

onto the Spindle Gear Set

, ensure that the notched

portions of the Spindle Gear Set

are properly aligned with the matching protruding portions of the

Spring Holder

. (See Fig. 5)

Fig. 4

Fig. 5

Protruding Portions

Notched Portion

Protruding Portion

Notched Portion

Internal Wire

(Yellow)

White Line

10 11 12 13

Spindle Gear Set

Internal Wire (Yellow)

Motor

Tapping Screw D3 x 8

Notched Portion

Fig. 3

−#4 −

(b) When assembling the Cap 9onto the components assembled as described in Para. (a) above, ensure

that the white line on the Cap 9is properly aligned with relation to the colored lead wires soldered to

the Motor

. (See Fig. 4)

onto the Spindle Gear Set

, ensure

that the protruding portions of the Shift

Arm

are properly fitted into the

matching grooves of the ring gear

inside the Spindle Gear Set

. (See

Fig. 6)

Fig. 6

(d) Insert the Shift Spring

into the Shift Knob

. (See Fig. 7)

(e) Assemble Bit Holder (A)

and Bit Holder (B) 5respectively into Housing (A) and Housing (B) of the

Housing (A) (B) Set 3. At this time, ensure that the insert portions of the Bit Holders are properly

installed into the insert receiving sockets of the Housings. (See Fig. 8)

Fig. 7 Fig. 8

(f) Mount the components assembled as described in Para. (d) onto the protruding portions of the Shift

Arm

that is mounted on the components assembled as described in Para. (a). (See Fig. 9)

Parts assembled in Para. (a)

Parts assembled in Para. (d)

Protruding Portion

Shift Arm

Fig.9

Protruding

Portions

Shift Arm

Ring Gear

Spindle Gear Set

Grooves

Shift Knob

Insert Portion

Shift Spring

Bit Holder (A)

Insert Receiving Pocket

Housing (A)

−#5 −

(g) Mount the components assembled as described in Para. (f) onto the components assembled as

described in Para. (e). At this time, ensure that colored leadwires soldered to the Terminals

are

properly aligned with relation to Housing (A) and Housing (B). (See Fig. 10)

Fig. 10

(4) Other Precautions on Reassembly:

(a) On completion of reassembly, set the Shift Knob

to the “H” position, and confirm that the Spindle

rotates smoothly when the Drill Chuck 8is moved by hand. Also, before turning the Switch ON,

confirm that the Cap 9can be properly aligned with the clutch number positions, marked on the

Housing (A)-(B) Set 3.

Confirm that the Drill Chuck 8rotation conforms with the setting position of the Reversing Switch.

When the Reversing Switch is set to the (R) side, the Drill Chuck 8must rotate to the right (clockwise)

when viewed from the rear (the end opposite from the Drill Chuck).

Also, confirm that the rotation speed of the Drill Chuck 8changes properly between high and low

speeds when the Shift Knob

position is changed.

Check the run-out of the Drill Chuck 8. With a 6mm test bar (Special Repair Tool J-223-2, Code

No. 305-7l3.) mounted in the Drill Chuck 8, ensure that run-out is not more than 0.5mm when

measured at a distance of 50mm from the end of the chuck.

(b) (+) Tapping Screws D3 x 8

0.59 - 0.78 N⋅

⋅⋅⋅m (6 - 8 kgf-cm, 5.2. - 6.9 In⋅

⋅⋅⋅Ib)

(+) Tapping Screws D3 x 14 40.98 - 1.5 N⋅

⋅⋅⋅m (10 - 15 kgf-cm, 8.7 - 13.0 In⋅

⋅⋅⋅Ib)

(+) Bind Screw M3.5 x 8

0.88 - 1.1 N⋅

⋅⋅⋅m (9 - 11 kgf-cm, 7.8 - 11.3 In⋅

⋅⋅⋅Ib)

(+) Bind Screw M3 x 10

0.88 - 1.1 N⋅

⋅⋅⋅m (9 - 11 kgf-cm, 7.8 - 11.3 In⋅

⋅⋅⋅Ib)

Flat Head Screw M5 x 20 73.9 N⋅

⋅⋅⋅m (40 kgf-cm, 34.7 In⋅

⋅⋅⋅Ib)

Drill Chuck 83.9 N⋅

⋅⋅⋅m (40 kgf-cm, 34.7 In⋅

⋅⋅⋅Ib)

Terminal

Internal Wire (White)

Internal Wire (Yellow)

Parts assembled in Para. (f)

Parts assembled in Para. (e)

Housing (A)

−#6 −

1-2. Precautions on Disassembly and Reassembly of the Model UC 9SC Charger:

For details, concerning the disassembly, reassembly and precautions in use of the Model UC 9SC Charger,

please refer to the Technical Data and Service Manual for the Model UC 9SC Charger.

2. STANDARD REPAIR TIME (UNIT) SCHEDULES

MODEL 102030405060min.

Variable

Fixed

FDS 10DVA

HOUSING (A) (B)

SET

SHIFT SPRING

MOTOR PINION

SHIFT ARM,SHIFT

KNOB SET

FLANGE

PUSHING BUTTON

SWITCH

PINION (C)

PLANETGEAR (B)

SET

SLIDE RING GEAR

PINION (B)

PLANET GEAR

(A1) SET

REAR CASE

FIRST RING GEAR

PLATE (A)

SPRING HOLDER

THRUST PLATE

FRONT CASE

STEEL BALL x 6

CARRIER

PLANETGEAR (C)

SET

RING GEAR

PLATE (B)

CAP

PLATE (C)

SPINDLE

BB (6800ZZ)

C TYPE HOLDER

FOR AXIS

CLUTCH PLATE

SPRING

KEYLESS CHUCK

HOOK

STRAP

BATTERY

Work Flow

FIXED COSTS

HOOK

STRAP 0 min.

BATTERY

OTHERS 20 min.

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