Hướng dẫn sử dụng Hitachi PDA-100M Máy mài góc

Hướng dẫn sử dụng

Hitachi Koki Co., Ltd.

103

Code No. C99142951 M

Printed in Malaysia

Item

No.

Part Name

1

TAPPING SCREW D5



25

2 PUSHING BUTTON

3 GEAR COVER ASS’Y

4 SPECIAL NUT M7

5 PINION

6 BALL BEARING 628VVC2PS2-L

7 BEARING HOLDER

8 ARMATURE

9 FAN GUIDE

10

TAPPING SCREW (W/FLANGE)

D4



70

11 STATOR

12 DUST SEAL

13 BALL BEARING 608VVC2PS2L

14 RETAINING RING FOR D11 SHAFT

15 WAVE WASHER

16 LOCK PIN

17 GEAR

18

SEAL LOCK SCREW (W/SP. WASHER)

M4



10

19 BEARING COVER

20 BALL BEARING 6201VVCMPS2L

21 FELT PACKING

22 PACKING GLAND

23

SEAL LOCK SCREW (W/SP. WASHER)

M4



12

24 WOODRUFF KEY

25 SPINDLE

26 FRINGER

27

MACHINE SCREW (W/SP. WASHER)

M5



16

28 SET PLATE

29 WHEEL GUARD ASS’Y

30 WHEEL WASHER

Item

No.

Part Name

31 D. C. WHEELS 100MMX4T A36Q

32 WHEEL NUT

33 GEAR AND PINION SET

34 HITACHI LABEL

35 HOUSING ASS’Y

36 NAME PLATE

37 TAIL COVER (A)

38

TAPPING SCREW (W/FLANGE)

D4



20

39

TAPPING SCREW (W/FLANGE)

D4



40

40 BRUSH CAP

41 CARBON BRUSH

42 BRUSH HOLDER

43 EARTH TERMINAL

44 TERMINAL

45 PILLAR TERMINAL

46 CONNECTOR 50091

47 NOISE SUPPRESSOR

48 TAIL COVER (B)

49

TAPPING SCREW (W/FLANGE)

D4



25

50

MACHINE SCREW (W/WASHER)

M3.5



6

51 SWITCH

52 TERMINAL

53 CORD ARMOR

54 CORD CLIP

55

TAPPING SCREW (W/FLANGE)

D4



16

56 CORD

501 WRENCH

502 SIDE HANDLE

12

34

56

78

English

中國語

Tiếng Việt

1

Wrench

扳手

Chìa vặn đai ốc

2

Wheel nut

砂輪螺帽

Khớp nối bánh mài

3

Depressed center wheels

砂輪

Bánh mài lõm giữa

4

Wheel washer

輪墊圈

Vòng đệm bánh mài

5

Spindle

主軸

Cần trục

6

Notched part

槽口部分

Phần khía rãnh

7

Wheel guard

砂輪保護裝置

Ốp chắn bánh mài

8

Tighten

緊

Siết chặt

9

Convex side

凸面

Mặt lồi

0

Lock pin

鎖定銷

Chốt hãm

!

Washer nut

墊片螺帽

Khớp nối vòng đệm

@

Sanding disc

砂盤

Đĩa mài

#

Rubber pad

橡膠墊圈

Miếng

đệm cao su

$

Washer

襯墊

Vòng đệm

%

Guide base

導軌基座

Bệ dẫn

^

Guide piece

導軌片

Tấm dẫn

&

Set plate (A)

支架板 (A)

Tấm kim loại cố định (A)

*

Screwdriver

螺絲刀

Tuốc nơ vít

(

Screw

螺絲釘

Đinh ốc

)

Diamond wheel

金剛石輪

Bánh mài kim cương

q

Wing bolt

蝶形螺栓

Bu lông có tai

w

Adjust the cutting depth by loosening

the wing bolt.

利用放鬆蝶形螺栓來調節切削深度

Điều chỉnh độ sâu vết cắt bằng cách

nới lỏng bu lông có tai.

e

Wear limit

磨損極限

Giới hạn mài mòn

r

No. of carbon brush

碳刷號

Mã số chổi than

r

e

1

2

2

3

4

5

6

7

7

8

9

0

8

8

9

1

!

$

5

@

#

0

0

1

)

4

5

w

q

%

*

(

&

^

21

5mm

12mm

15°~30°

AB

GENERAL SAFETY RULES

WARNING!

Read all instructions

Failure to follow all instructions listed below may result in

electric shock, fi re and/or serious injury.

The term ”power tool” in all of the warnings listed below

refers to your mains operated (corded) power tool or battery

operated (cordless) power tool.

SAVE THESE INSTRUCTIONS

1) Work area

a) Keep work area clean and well lit.

Cluttered and dark areas invite accidents.

b) Do not operate power tools in explosive

atmospheres, such as in the presence of

fl ammable liquids, gases or dust.

Power tools create sparks which may ignite the dust

of fumes.

c) Keep children and bystanders away while

operating a power tool.

Distractions can cause you to lose control.

2) Electrical safety

a) Power tool plugs must match the outlet.

Never modify the plug in any way.

Do not use any adapter plugs with earthed

(grounded) power tools.

Unmodifi ed plugs and matching outlets will reduce

risk of electric shock.

b) Avoid body contact with earthed or grounded

surfaces such as pipes, radiators, ranges and

refrigerators.

There is an increased risk of electric shock if your

body is earthed or grounded.

c) Do not expose power tools to rain or wet

conditions.

Water entering a power tool will increase the risk

of electric shock.

d) Do not abuse the cord. Never use the cord for

carrying, pulling or unplugging the power tool.

Keep cord away from heat, oil, sharp edges or

moving parts.

Damaged or entangled cords increase the risk of

electric shock.

e) When operating a power tool outdoors, use an

extension cord suitable for outdoor use.

Use of a cord suitable for outdoor use reduces

the risk of electric shock.

3) Personal safety

a) Stay alert, watch what you are doing and use

common sense when operating a power tool.

Do not use a power tool while you are tired

or under the infl uence of drugs, alcohol or

medication.

A moment of inattention while operating power

tools may result in serious personal injury.

b) Use safety equipment. Always wear eye

protection.

Safety equipment such as dust mask, non-skid

safety shoes, hard hat, or hearing protection used

for appropriate conditions will reduce personal

injuries.

c) Avoid accidental starting. Ensure the switch is

in the off position before plugging in.

Carrying power tools with your fi nger on the

switch or plugging in power tools that have the

switch on invites accidents.

d) Remove any adjusting key or wrench before

turning the power tool on.

A wrench or a key left attached to a rotating part

of the power tool may result in personal injury.

e) Do not overreach. Keep proper footing and

balance at all times.

This enables better control of the power tool in

unexpected situations.

f) Dress properly. Do not wear loose clothing or

jewellery. Keep your hair, clothing and gloves

away from moving parts.

Loose clothes, jewellery or long hair can be caught

in moving parts.

g) If devices are provided for the connection of

dust extraction and collection facilities, ensure

these are connected and properly used.

Use of these devices can reduce dust related

hazards.

4) Power tool use and care

a) Do not force the power tool. Use the correct

power tool for your application.

The correct power tool will do the job better and

safer at the rate for which it was designed.

b) Do not use the power tool if the switch does not

turn it on and off .

Any power tool that cannot be controlled with the

switch is dangerous and must be repaired.

c) Disconnect the plug from the power source

before making any adjustments, changing

accessories, or storing power tools.

Such preventive safety measures reduce the risk

of starting the power tool accidentally.

d) Store idle power tools out of the reach of

children and do not allow persons unfamiliar

with the power tool or these instructions to

operate the power tool.

Power tools are dangerous in the hands of

untrained users.

e) Maintain power tools. Check for misalignment

or binding of moving parts, breakage of parts

and any other condition that may aff ect the

power tools operation.

If damaged, have the power tool repaired

before use.

Many accidents are caused by poorly maintained

power tools.

f) Keep cutting tools sharp and clean.

Properly maintained cutting tools with sharp cutting

edges are less likely to bind and are easier to

control.

g) Use the power tool, accessories and tool bits

etc., in accordance with these instructions and

in the manner intended for the particular type

of power tool, taking into account the working

conditions and the work to be performed.

Use of the power tool for operations diff erent from

intended could result in a hazardous situation.

5) Service

a) Have your power tool serviced by a qualifi ed

repair person using only identical replacement

parts.

This will ensure that the safety of the power tool

is maintained.

PRECAUTION

Keep children and infi rm persons away.

When not in use, tools should be stored out of reach of

children and infi rm persons.

SPECIFICATIONS

Model PDA-100M

Power Source (by areas)

*1

(110V, 220V, 230V, 240V) 50/60 Hz

Power Input

*1

715 W

No-load speed 12,000/min

Wheel size Max. Peripheral Speed: 72 m/s (4300 m/min)

external dia. 100 mm

thickness 4 mm, 6 mm

hole dia. 16 mm

Weight

*2

1.5 kg

*1

Be sure to check the nameplate on product as it is subject to change by areas.

*2

Only main body.

STANDARD ACCESSORIES

(1) Depressed center wheel ..............................................1

(Resinoid Wheel)

external dia. 100 mm

thickness 4 mm

hole dia. 16 mm

(2) Wrench .........................................................................1

Standard accessories are subject to change without notice.

OPTIONAL ACCESSORIES . . . . sold separately

CAUTION

Always operate the grinder with the wheel guard

attached.

1. 100mm Sanding Disc Set

Washer Nut

Sanding Disc

Rubber Pad

Washer

In case when only a relatively small metal surface area

is to be polished and it is desired to give it a particularly

fi ne fi nish, this is used for preliminary polishing of the

metal surface before applying point, for removing rust,

and for removing point when a new test is to be applied.

There are eleven diff erent kinds of sanding discs,

having grains of #16, #20, #24, #30, #36, #40, #50,

#60, #80, #100, #120. When placing your order, please

specify the grain of the disc desired.

2. Diamond Wheel Set

This is used for cutting and scribing of concrete, stone,

tile etc.

Guide Base Ass’y

Diamond Wheel

Segment

Type

Optional accessories are subject to change without notice.

APPLICATIONS

○ Removal of casting fi n and fi nishing of various types of

steel, bronze and aluminum materials and castings.

○ Grinding of welded sections or sections cut by means of

a cutting torch.

○ Grinding of brick, marble, etc.

○ Cutting and scribing of concrete, stone, tile, (use the

diamond wheel)

PRIOR TO OPERATION

1. Power source

Ensure that the power source to be utilized conforms

to the power requirements specifi ed on the product

nameplate.

2. Power switch

Ensure that the power switch is in the OFF position. If

the plug is connected to a receptacle while the power

switch is in the ON position, the power tool will start

operating immediately, which could cause a serious

accident.

3. Extension cord

When the work area is removed from the power source,

use an extension cord of suffi cient thickness and rated

capacity. The extension cord should be kept as short as

practicable.

PRECAUTIONS ON USING DISC GRINDER

1. Never operate these power tools without Wheel

Guards.

2. Use only a depressed center wheel of permissible

peripheral speed 72 m/s (4300 m/min) or more.

3. Correct use for safe operation.

4. Mounting the standard depressed center wheel.

5. Have a trial run before grinding commence.

6. Keep away from a revolving depressed center wheel.

7. Pay strict attention to sparks.

8. Do not leave the revolving Grinder unattended on the

fl oor.

9. Follow the procedures of these Handling Instructions

on depressed center wheel replacement.

10. Avoid overload operation.

11. Do not push in the lock pin while the spindle is running.

12. Be careful those around one while operating.

4. Confi rming condition of the environment

Confi rm that the work site is placed under appropriate

conditions conforming to prescribed precautions.

When grinding a thin steel plate, depending upon the

state of the workbench, a loud noise will be created due

to resounding noise from the steel plate being ground.

To eliminate unwanted noise in this instance, place a

rubber mat beneath the material to be ground.

5. Mounting the wheel guard

Be sure to mount the wheel guard at an angle that will

protect the operator’s body from injury by a broken

wheel piece.

6. Confi rm the lock pin

Confi rm that the lock pin is disengaged by pushing lock

pin two or three times before switching the power tool

on.

7. Co nfi rming and mounting the depressed center

wheel.

Thoroughly check that a specifi ed depressed center

wheel is free of cracks and splits is mounted.

Confi rm that the depressed center wheel is mounted

under the specifi ed condition and is fi rmly clamped.

For details, refer to the item “Assembling and

Disassembling the depressed center wheel.”

8. Apply a trial run

To start grinding work without checking for possible

cracks and splits in the depressed center wheel is very

dangerous. Prior to start of grinding, direct the grinder

in a direction where no one is present, and apply a trial

run without fail to confi rm that the grinder displays no

abnormalities.

Duration of the trial run is as follows:

When depressed center wheels is replaced

.............................................. 3 minutes or more

When starting daily work ................. 1 minute or more

PRACTICAL GRINDER APPLICATIONS

1. Since grinding by utilizing only the grinder’s own weight

is feasible, the grinder should never be pressed forcibly

against the plane to be ground Hold the grinder lightly

so that it only slightly contacts the plane to be ground.

Heavy pressure will reduce the revolving speed and

such deteriorate the fi nished surface, and phenomena

as overload will lead to burning out of the motor.

2. Do not utilize the grinder entire surface when grinding.

Use only its peripheral surface by tilting the wheel at

an angle of 15-30°, as shown in Fig. 1.

3. When a grinder equipped with a new depressed center

wheel is pushed forward (direction A), the wheel edge

may occasionally cut into the material to be ground.

Always pull it backward (direction B) in this instance.

However, once the depressed center wheel angle has

been adequately abraded, both forward and backward

operations are permissible.

4. The provided depressed center wheel (resinoid wheel)

is rated as Class A grain and #36 grain size.

Accordingly, its range of applications cover a wide

variety, proving to be most suitable for heavy grinding

of general steel materials. Since the wheel grain size

is rather coarse, creating a fi ne-surfaced fi nish is very

diffi cult.

In this instance, hold the grinder lightly as through

trying to lift it, and apply grinding slowly at a constant

low speed. Whereby a fi ne fi nish similar to that

accomplished with a fi ne-grain depressed center wheel

is obtainable.

5. Switching on the grinder

The switch can be turned ON by turning its lever ON

side, or turn OFF by turning its lever to the OFF side.

6. Precaution after use

Do not lay the grinder down immediately after use in

a place where there are many shavings and much dirt

and dust until it has completely stopped revolving.

CAUTIONS

○ Shock to the main body can be the cause of cracks

or splits in the depressed center wheel. Be especially

careful to avoid sudden shocks when using the

equipment.

If the main unit is accidentally bumped or dropped,

make a careful check for cracks or splits on the

depressed center wheel before further use.

○ Do not press the lock pin when the equipment is

turning. Also, do not turn on the switch when the lock

pin is pressed down.

ASSEMBLING AND DISASSEMBLING

THE DEPRESSED CENTER WHEEL (Fig. 2)

CAUTION

Be sure to switch power OFF and disconnect the

attachment plug from the power receptacle to avoid

serious trouble.

(1) Turn the equipment upsidedown so that the spindle will

be facing up.

(2) Mount the wheel washer onto the spindle.

(3) Mount the protuberance of the depressed center wheel

onto the wheel washer.

(4) Mount the convex side of the wheel nut onto the

depressed center wheel, and screw the wheel nut onto

the spindle.

(5) As shown in Fig. 2 push in the lock pin to prevent

rotation of the spindle. Then, secure the depressed

center wheel by tightening the wheel nut with the

wrench.

CAUTION: Confi rm that the depressed center wheel is

mounted fi rmly.

Confi rm that the lock pin is disengaged by

pushing lock pin two or three times before

switching the power tool on.

○ Disassembling of the depressed center wheel is the

reverse of assembling.

HOW TO INSTALL THE OPTIONAL ACCESSORIES

CAUTIONS

○ Be sure to switch power OFF and disconnect the plug

from the power receptacle to avoid serious trouble.

When utilizing the optional accessories, keep the wheel

guard attached and wear protective glasses.

○ Do not use the optional accessories which exceed

the designated external diameter designated in the

paragraph.

1. Mounting the 100 mm Sanding Disc. (see Fig. 3)

NOTE

Do not use the wheel washer and wheel nut of the

depressed center wheel.

(1) Mount the washer, rubber pad and sanding disc onto

the spindle.

(2) Screw from the washer nut onto the spindle.

(3) As shown in Fig. 3, push in the lock pin to prevent

rotation of the spindle. Then, secure the sanding disc

by tightening the wheel nut with the wrench.

2. Mounting the Diamond Wheel

CAUTION

When utilizing the diamond wheel, pay particular

attention to the following points.

(1) Utilize the correct size diamond wheel (external dia.

105 mm, internal dia. 20 mm)

(2) Do not apply cooling water or grinding fl uid while

utilizing the diamond wheel.

(3) Hold the tool fi rmly to control the tendency of the tool to

be repelled by the material during cutting operation.

(4) Ensure that the cutting depth is kept within 2-5 mm to

prevent over-heating damage to the motor. Use with

moderate cutting speed, and do not apply excessive

pressure on the workpiece.

○ Mounting the Guide Base Assembly. (Fig. 4)

(1) Loosen the two small screws on the wheel guard.

(2) Insert the guide piece between the wheel guard and set

plate (A), and tighten one of the small screws. Ensure

that the guide will not move.

(3) Set the angle of the wheel guard to a suitable position

for operation, and securely tighten the remaining small

screw to fi x the wheel guard in position.

○ Mounting the Diamond Wheel. (Fig. 5)

NOTE

Mounting of the diamond wheel on the spindle is

illustrated in Fig. 5. Note that the wheel washer is

reversed from ordinary usage with depressed center

wheel.

(1) Mount the wheel washer and diamond wheel onto the

spindle.

(2) Mount the concave side of the wheel nut onto the

diamond wheel, and screw the wheel nut onto the

spindle.

(3) As shown in Fig. 5 push in the lock pin to prevent

rotation of the spindle. Then, secure the diamond wheel

by tightening the wheel nut with the wrench.

MAINTENANCE AND INSPECTION

1. Inspecting the depressed center wheel

Ensure that the depressed center wheel is free of

cracks and surface defects.

Replace the depressed center wheel when it has been

worn out to about 60mm in external diameter.

2. Inspecting the mounting screws

Regularly inspect all mounting screws and ensure that

they are properly tightened. Should any of the screws

be loose, retighten them immediately. Failure to do so

could result in serious hazard.

3. Maintenance of the motor

The motor unit winding is the very “heart” of the power

tool. Exercise due care to ensure the winding does not

become damaged and/or wet with oil or water.

4. Inspecting the carbon brushes (Fig. 8)

The motor employs carbon brushes which are

consumable parts. Since an excessively worn carbon

brush can result in motor trouble, replace the carbon

brush with a new one having the same carbon brush

No. shown in the fi gure when it becomes worn to or

near the “wear limit”. In addition, always keep carbon

brushes clean and ensure that they slide freely within

the brush holders.

5. Replacing carbon brushes

Disassemble the brush caps with a slotted-head

screwdriver. The carbon brushes can then be easily

removed.

6. If the supply cord of this tool damaged, it must be

replaced by a specially prepared cord available through

the service organization.

7. Service parts list

CAUTION

Repair, modifi cation and inspection of Hitachi Power

Tools must be carried out by an Hitachi Authorized

Service Center.

This Parts List will be helpful if presented with the tool to

the Hitachi authorized Service Center when requesting

repair or other maintenance.

In the operation and maintenance of power tools, the

safety regulations and standards prescribed in each

country must be observed.

MODIFICATION

Hitachi Power Tools are constantly being improved

and modifi ed to incorporate the latest technological

advancements.

Accordingly, some parts may be changed without prior

notice.

NOTE

Due to HITACHI’s continuing program of research and

development, the specifi cations herein are subject to

change without prior notice.

1 2 3 4

HANDLING INSTRUCTIONS

使用說明書

Hướng dẫn sử dụng

Disc Grinder

手提圓盤電磨機

Máy mài góc

PDA-100M

Read through carefully and understand these instructions before use.

使用前務請詳加閱讀

Đọc kỹ và hiểu rõ các hướng dẫn này trước khi sử dụng.

000SeetC99142951103.indd1000SeetC99142951103.indd1 2011/04/2711:05:422011/04/2711:05:42

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