Improper and unsafe use of this power tool can result in
death or serious bodily injury!
This manual contains important information about product
safety. Please read and understand this manual before
operating the power tool. Please keep this manual available
for others before they use the power tool.
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— CONTENTS —
Page
IMPORTANT INFORMATION .................................................................................... 3
MEANINGS OF SIGNAL WORDS ............................................................................. 3
SAFETY
IMPORTANT SAFETY INSTRUCTIONS
FOR USING ALL POWER TOOLS .................................................................. 4
IMPORTANT SAFETY INSTRUCTIONS
FOR USE OF THE CORDLESS HAMMER DRILL ........................................... 7
IMPORTANT SAFETY INSTRUCTIONS
FOR BATTERY CHARGER .............................................................................. 7
IMPORTANT SAFETY INSTRUCTIONS
FOR USE OF THE BATTERY AND BATTERY CHARGER ............................. 8
DISPOSAL OF THE EXHAUSTED BATTERY ....................................................... 9
OPERATION AND MAINTENANCE
MODEL .................................................................................................................. 10
NAME OF PARTS .................................................................................................. 10
SERVICE AND REPAIRS ....................................................................................... 19
PARTS LIST ........................................................................................................... 20
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IMPORTANT INFORMATION
Read and understand all of the operating instructions, safety precautions and warnings in
the Instruction Manual before operating or maintaining this power tool.
Most accidents that result from power tool operation and maintenance are caused by the
failure to observe basic safety rules or precautions. An accident can often be avoided by
recognizing a potentially hazardous situation before it occurs, and by observing appropriate
safety procedures.
Basic safety precautions are outlined in the “SAFETY” section of this Instruction Manual and
in the sections which contain the operation and maintenance instructions.
Hazards that must be avoided to prevent bodily injury or machine damage are identified by
WARNINGS on the power tool and in this Instruction Manual.
Never use this power tool in a manner that has not been specifically recommended by
HITACHI, unless you first confirm that the planned use will be safe for you and others.
The warranty of this power tool is separately packed. Before using this power tool, make sure
to thoroughly read and understand the content of the warranty.
MEANINGS OF SIGNAL WORDS
WARNING indicates a potentially hazardous situations which, if ignored, could result in
serious personal injury.
CAUTION indicates a hazardous situations which, if ignored, could result in moderate
personal injury, or could cause machine damage.
NOTE emphasizes essential information.
3
SAFETY
IMPORTANT SAFETY INSTRUCTIONS FOR USING ALL POWER
TOOLS
WARNING: Death or serious bodily injury could result from improper or unsafe use
of power tools. To avoid these risks, follow these basic safety instructions:
READ ALL INSTRUCTIONS
1.NEVER TOUCH MOVING PARTS.
Never place your hands, fingers or other body parts near the tool’s moving parts.
2.NEVER OPERATE WITHOUT ALL GUARDS IN PLACE.
Never operate this tool without all guards or safety features in place and in proper
working order. If maintenance or servicing requires the removal of a guard or safety
feature, be sure to replace the guard or safety feature before resuming operation of the
tool.
3.ALWAYS WEAR EYE AND EAR PROTECTION.
Protect yourself from flying or expelled wood chips, metal particles or other debris by
using safety goggles or equivalent eye protection. Wear ear protection to protect
yourself from excessive noise.
4.AVOID UNINTENTIONAL STARTING.
Don’t carry the tool with your finger near the power switch.
5.STORE TOOL PROPERLY.
When not in use, the tool should be stored in a dry place. Keep out of reach of children.
Lock-out the storage area.
6.KEEP WORK AREA CLEAN.
Cluttered areas and benches invite injuries.
Clear all work areas and work benches of unnecessary tools, debris, furniture, etc.
7.CONSIDER WORK AREA ENVIRONMENT.
Don’t expose power tools to rain.
Don’t use power tools in damp or wet locations.
Keep work area well lit and well ventilated.
Don’t use tool in presence of flammable liquids or gases.
Power tools produce sparks during operation. They also spark when switching ON/
OFF. Never use power tools in sites containing lacquer, paint, benzine, thinner,
gasoline, gases, adhesive agents, and other materials which are combustible or
explosive.
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8.KEEP CHILDREN AWAY.
Do not let visitors contact tool.
All visitors should be kept safely away from work area.
9.DON’T FORCE TOOL.
It will do the job better and safer at the rate for which it was intended.
10.USE RIGHT TOOL.
Don’t force small tool or attachment to do the job of a heavy-duty tool.
Don’t use tool for purpose not intended-for example-don’t use circular saw for cutting
tree limbs or logs.
11.DRESS PROPERLY.
Do not wear loose clothing or jewelry.
They can be caught in moving parts. Rubber gloves and non-skid footwear are
recommended when working outdoors.
Wear protective hair covering to contain long hair.
12.USE FACE OR DUST MAKE IF OPERATION IS DUSTY.
13.SECURE WORK.
Use clamps or a vise to hold work. It’s safer than using your hand and it frees both
hands to operate tool.
14.DON’T OVERREACH.
Keep proper footing and balance at all times.
15.MAINTAIN TOOLS WITH CARE.
Keep tools sharp and clean for better and safer performance.
Follow instructions for lubricating and changing accessories.
Keep handles dry, clean, and free from oil and grease.
16.REMOVE ADJUSTING KEYS AND WRENCHES.
Keys and adjusting wrenches remove from tool before turning it on.
17.STAY ALERT.
Watch what you are doing. Use common sense. Do not operate tool when you are tired.
Tools should never be used by you if you are under the influence of alcohol, drugs or
medication that makes you drowsy.
18.CHECK DAMAGED PARTS.
Before further use of the tool, a guard or other part that is damaged should be carefully
checked to determine that it will operate properly and perform its intended function.
Check for alignment of moving parts, binding of moving parts, breakage of parts,
mounting, and any other conditions that may affect its operation. A guard or other part
that is damaged should be properly repaired or replaced by an authorized service
center unless otherwise indicated elsewhere in this Instruction Manual.
Have defective switches replaced by authorized service center.
Do not use tool if switch does not turn it on and off.
19.NEVER USE A POWER TOOL FOR APPLICATIONS OTHER THAN THOSE SPECIFIED.
Never use a power tool for applications other than those specified in the Instruction
Manual.
5
20.HANDLE TOOL CORRECTLY.
Operate the tool according to the instructions provided herein. Do not drop or throw
the tool. Never allow the tool to be operated by children, individuals unfamiliar with
its operation or unauthorized personnel.
21.CHECK FOR LIVE WIRES.
Avoid the risk of severe electrical shock by checking for live electrical wires that may
be hidden by walls, floors or ceilings. The wires should be de-energized before work
begins.
22.KEEP ALL SCREWS, BOLTS AND COVERS TIGHTLY IN PLACE.
Keep all screws, bolts, and plates tightly mounted. Check their condition periodically.
23.DO NOT USE POWER TOOLS IF THE PLASTIC HOUSING OR HANDLE ARE CRACKED.
Cracks in the tool’s housing or handle can lead to electric shock.
Such tools should not be used until repaired.
24.BLADES AND ACCESSORIES MUST BE SECURELY MOUNTED TO THE TOOL
Prevent potential injuries to yourself or others. Blades, cutting implements and
accessories which have been mounted to the tool should be secure and tight.
25.NEVER USE A TOOL WHICH IS DEFECTIVE OR OPERATING ABNORMALLY.
If the tool appears to be operating unusually, making strange noises, or otherwise
appears defective, stop using it immediately and arrange for repairs by an authorized
Hitachi service center.
26.CAREFULLY HANDLE POWER TOOLS.
Should a power tool be dropped or struck against hard materials inadvertently it may
be deformed, cracked, or damaged.
27.DO NOT WIPE PLASTIC PARTS WITH SOLVENT.
Solvents such as gasoline, thinner, benzine, carbon tetrachloride, and alcohol may
damage and crack plastic parts. Do not wipe them with such solvents. Wipe plastic
parts with a soft cloth lightly dampened with soapy water.
28.USE ONLY AUTHENTIC HITACHI REPLACEMENT PARTS.
Replacement parts not manufactured by Hitachi may void your warranty and can lead
to malfunction and resulting injuries. Authentic Hitachi parts are available from your
dealer.
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IMPORTANT SAFETY INSTRUCTIONS
FOR USE OF THE CORDLESS ANGLE DRILL
WARNING: Death or serious bodily injury could result from improper or unsafe use
of the cordless angle drill. To avoid these risks, follow these basic safety
instructions:
1. Never place hands or other body parts near the drill bit or chuck during operation. Hold
the drill by its handle only.
2. Because the cordless angle drill operates by battery power, be aware of the fact that it can
begin to operate at any time.
3. Wear eye and ear protection at all times.
4. When working at elevated locations, clear the area of all other people and be aware of
conditions below you.
IMPORTANT SAFETY INSTRUCTIONS FOR BATTERY CHARGER
1. This manual contains important safety and operating instructions for battery charger
Model UC12Y, UC14YF and YC14YF2.
2. Before using battery charger, read all instructions and cautionary markings on (1) battery
charger, (2) battery, and (3) product using battery.
3. < UC12Y >
To reduce risk of injury, charge HITACHI rechargeable battery type EB7, EB9, EB12, EB2,
B-2, B-3 or B-4. Other type of batteries may burst causing personal injury and damage.
< UC14YF / UC14YF2 >
To reduce risk of injury, charge HITACHI rechargeable battery type EB7, EB9, EB12, EB14
series. Other type of batteries may burst causing personal injury and damage.
4. Do not expose battery charger to rain or snow.
5. Use of an attachment not recommended or sold by the battery charger manufacturer may
result in a risk of fire, electric shock, or injury to persons.
6. To reduce risk of damage to electric plug and cord, pull by plug when disconnecting
battery charger.
7. Make sure cord is located so that it will not be stepped on, tripped over, or otherwise
subjected to damage or stress.
8. An extension cord should not be used unless absolutely necessary. Use of improper
extension cord could result in a risk of fire and electric shock.
If extension cord must be used make sure:
a. That blades of extension cord are the same number, size, and shape as those of
plug on battery charger:
b. That extension cord is properly wired and in good electrical condition; and
c. That wire size is large enough for AC ampere rating of battery charger as specified
in Table 1.
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Table 1
RECOMMENDED MINIMUM AWG SIZE FOR
EXTENSION CORDS FOR BATTERY CHARGERS
AC Input Rating Amperes*AWG Size of Cord
Equal to orbut lessLength of Cord, Feet (Meter)
greater thanthan25 (7.5)50 (15)100 (30) 150 (45)
0218181816
2318181614
3418181614
* If the input rating of a battery charger is given in watts rather than in amperes, the
corresponding ampere rating is to be determined by dividing the wattage rating by the
voltage rating-for example:
1250watts
125 volts
9.Do not operate battery charger with damaged cord or plug-replace them immediately.
10.Do not operate battery charger if it has received a sharp blow, been dropped, or
otherwise damaged in any way; take it to a qualified serviceman.
11.Do not disassemble battery charger; take it to a qualified serviceman when service or
repair is required. Incorrect reassembly may result in a risk of electric shock or fire.
12.To reduce risk of electric shock, unplug charger from receptacle before attempting any
maintenance or cleaning. Removing the battery will not reduce this risk.
= 10 amperes
IMPORTANT SAFETY INSTRUCTIONS FOR USE OF THE BATTERY
AND BATTERY CHARGER
You must charge the battery before you can use the cordless driver drill. Before using the
model UC12Y, UC14YF and UC14YF2 battery charger, be sure to read all instructions and
cautionary statements on it, the battery and in this manual.
REMEMBER:
< UC12Y >
USE ONLY HITACHI BATTERY TYPE EB7, EB9, EB12, EB2, B-2, B-3 OR B-4.
OTHER TYPES OF BATTERIES MAY BURST AND CAUSE INJURY!
< UC14YF / UC14YF2 >
USE ONLY HITACHI BATTERY TYPES EB7 SERIES, EB9 SERIES, EB12 SERIES, EB14 SERIES.
OTHER TYPES OF BATTERIES MAY BURST AND CAUSE INJURY!
Follow these instructions to avoid the risk of injury:
WARNING: Improper use of the battery or battery charger can lead to serious injury.
To avoid these injuries:
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