Tone STC50AE User manual

MODEL ＳＴＣ
ＳＴＣＳＴＣ
ＳＴＣ５０
５０５０
５０ＡＥ
ＡＥＡＥ
ＡＥ ／
／／
／ ＳＴＣ
ＳＴＣＳＴＣ
ＳＴＣ５０
５０５０
５０ＴＥ
ＴＥＴＥ
ＴＥ
CAUTION
CAUTIONCAUTION
CAUTION
Read and fully understand all the instructions before use.
Keep this manual in designated place for easy and quick reference.
The models mentioned on this manual are designed for use outside Japan.
Warranty shall be void if above mentioned models are use in Japan.

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PREFACE
PREFACEPREFACE
PREFACE
Thank you for purchasing .
■ Upon receipt, check and confirm the following:
- Check any transport damages.
- Check for any loose or lost screws and bolts.
- Check the model as per order.
- Check all the accessories are contained.
If any problems are found, contact your distributor.
■ Read this instruction manual carefully before use.
Full understanding of manual is essential to prevent personal injury or
malfunction.
■ Keep this manual in a bag attached to the back of metal case lid for easy
and quick reference.
■ If manual or warning label is lost or becomes illegible, or if additional
manual is required, contact your distributor.
If you have any questions about the products or the contents of this instruction
manual, contact your distributor.
■ This manual is only applicable to outside Japan.

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SAFETY INSTRUCTION
SAFETY INSTRUCTIONSAFETY INSTRUCTION
SAFETY INSTRUCTION
This manual specifies three (3) basic safety instructions:
■ Instructions are classified by degree of risk and described as follows:
Danger is used to indicate threatening
dangerous or unsafe practices which could
immediately result in severe personal injury
or death in the worst case.
Warning is used to indicate hazardous or
unsafe practices which could result in severe
personal injury or death in the worst
occasion.
Caution is used to indicate hazardous or
unsafe practices which could result in
personal injury or product or property
damage.
Even if the risk is classified as , risk could become more serious result
depending on conditions. Make sure to follow all instructions when using.

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TABLE OF CONTENTS
TABLE OF CONTENTSTABLE OF CONTENTS
TABLE OF CONTENTS
1．GENERAL SAFETY INSTRUCTIONS ・・・・・・ 4
2．APPLICATION ・・・・・・・・・・・・・・・・・・・・・・・・ 7
3． PRECAUTIONS FOR USE ・・・・・・・・・・・・ 7
4．PART NAME, EXTERNAL DIMENSIONS ･･･ 14
5．BEFORE USE ・・・・・・・・・・・・・・・・・・・･･･・ 15
6．CHANGING ACCESSORIES ･・・･・・・・・・・・・ 16
7．OPERATING PROCEDURE ・・・・・・・・・・・ 17
8．METHOD OF TORQUE SETTING ・・・・・・・ 19
9．EXPLANATION ON LED INDICATIONS ・・・・ 22
10．INSPECTION & MAINTENANCE ・・・・・・・・ 24
11．SPECIFICATIONS ・・・・・・・・・・･・・・・・・・ 25
12．AFTERSALES SERVICE ・・・・・・・・・・・ 26

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1.
1.1.
1. GENERAL SAFETY INSTRUCTIONS
GENERAL SAFETY INSTRUCTIONS GENERAL SAFETY INSTRUCTIONS
GENERAL SAFETY INSTRUCTIONS
WARNING
WARNINGWARNING
WARNING
When using electric tools, basic safety precautions, including the following,
should always be followed to reduce the risk of fire, electric shock and personal
injury.
Read all these instructions before operating this product and keep these
instructions.
SAVE
SAVESAVE
SAVE THESE
THESETHESE
THESE INSTRUCTIONS
INSTRUCTIONSINSTRUCTIONS
INSTRUCTIONS
1)
1)1)
1) Work area
Work areaWork area
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 flammable 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)
2)2)
2) Electrical safety
Electrical safetyElectrical safety
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.
Unmodified 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

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suitable for outdoor use. Use of a cord suitable for outdoor use reduces
the risk of electric shock.
3)
3)3)
3) Personal safety
Personal safetyPersonal safety
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 influence 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 finger 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 jewelry. Keep your hair,
clothing and gloves away from moving parts. Loose clothes, jewelry 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)
4)4)
4) Power tool use and care
Power tool use and carePower tool use and care
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.

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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 affect 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 different from intended
could result in a hazardous situation.
5)
5)5)
5) Service
ServiceService
Service
a) Have your power tool serviced by a qualified repair person using
only identical replacement parts. This will ensure that the safety of the
power tool is maintained.
.

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2. APPLICATION
2. APPLICATION2. APPLICATION
2. APPLICATION
■ TONE SIMPLE TORQON is an electric tool for tightening hexagonal bolts.
3
33
3． PRECOUTIONS FOR USE
PRECOUTIONS FOR USEPRECOUTIONS FOR USE
PRECOUTIONS FOR USE
■ To prevent accidents, personal injury and etc, read and follow all instructions
listed below.
DANGER
DANGERDANGER
DANGER
● Beware of electric s
Beware of electric sBeware of electric s
Beware of electric shock when operating at high place.
hock when operating at high place.hock when operating at high place.
hock when operating at high place.
○ Failure to follow this instruction may result in fall down accidents.

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DANGER
DANGERDANGER
DANGER
● Never put hand in the turning circle of reaction bar
Never put hand in the turning circle of reaction barNever put hand in the turning circle of reaction bar
Never put hand in the turning circle of reaction bar during
during during
during
operation.
operation.operation.
operation. The reaction bar rotates in the reverse direction.
The reaction bar rotates in the reverse direction.The reaction bar rotates in the reverse direction.
The reaction bar rotates in the reverse direction.
○ If the wrench is started, the reaction bar will turn in the direction opposite
to the rotation of nut. There is a risk that finger might be pinched by
reaction bar and reaction-member.
Negligence might cause accidents or injury.

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WARNING
WARNINGWARNING
WARNING
● Insert socket secure
Insert socket secureInsert socket secure
Insert socket securely to the depth of nut
ly to the depth of nutly to the depth of nut
ly to the depth of nut.
○ If insufficient, it might damage socket and cause personal injury
Negligence might cause accident, breakage or injury.
● Beware of electric
Beware of electricBeware of electric
Beware of electric shock
shockshock
shock.
..
.
○ Never use wrench in damp or wet place or in rainy or snowy condition.
○ Might cause electric-shock, fire or electricity leakage.
● Hold the wrench and grip of firmly when in operation.
Hold the wrench and grip of firmly when in operation.Hold the wrench and grip of firmly when in operation.
Hold the wrench and grip of firmly when in operation.
○ TN Wrenches stop automatically with huge reaction force just after
tightening bolts completely.
Failure to follow this instruction may result in personal injury.
● Electric cord must be regularly inspected.
Electric cord must be regularly inspected.Electric cord must be regularly inspected.
Electric cord must be regularly inspected.
○ If there is damage on electric cord, please ask your distributor for repair.
Failure to follow this instruction may result in electric shock or electric
leakage.

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WARNING
WARNINGWARNING
WARNING
● Never use the wrench around the place where gasoline, gas,
Never use the wrench around the place where gasoline, gas, Never use the wrench around the place where gasoline, gas,
Never use the wrench around the place where gasoline, gas,
thinner, benzene, etc., are stored.
thinner, benzene, etc., are stored.thinner, benzene, etc., are stored.
thinner, benzene, etc., are stored.
○ Do not use the wrench around flammable substances to avoid the
accidental fire caused by the spark out of the electric motor.
● Beware of fall
Beware of fallBeware of fall
Beware of fall down accidents when working at a high place.
down accidents when working at a high place. down accidents when working at a high place.
down accidents when working at a high place.
○ Wear safety belt
○ Provide safety net or canvas as safe guarding against falling items.
○ Confirm that no one is underneath the working site before operation.
○ Stop operation when physically or mentally tired.
Failure to follow these instructions may result in fall down accidents.
● Avoid overloading.
Avoid overloading.Avoid overloading.
Avoid overloading.
○ Use the wrench and its accessories within the rated specifications.
Overloaded wrench and its accessories may result in malfunction of the
wrenches, accidents or personal injury.
● Properly install sockets and reaction bars as described in this
Properly install sockets and reaction bars as described in this Properly install sockets and reaction bars as described in this
Properly install sockets and reaction bars as described in this
manual.
manual. manual.
manual.
○ Incomplete installation may result in accidents and personal injury. See
“CHANGING ACCESSORIES” on page 21.
● Avoid accidental Starting.
Avoid accidental Starting.Avoid accidental Starting.
Avoid accidental Starting.
○ Ensure that the switch is in the off-position before plugging into power
source.
○ Never carrying the wrench with your fingers on the switch when the plug
is connected to power source.

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WARNING
WARNINGWARNING
WARNING
● Disconnect the plug from the power source when:
Disconnect the plug from the power source when: Disconnect the plug from the power source when:
Disconnect the plug from the power source when:
○ Not in use.
○ Changing accessories.
○ Inspection and maintenance.
○ Or other danger is foreseen.
Failure to follow these instructions may result in accidental starting and
personal injury.
● Do not disassemble or modify the wrench.
Do not disassemble or modify the wrench. Do not disassemble or modify the wrench.
Do not disassemble or modify the wrench.
○ Disassembly or modification made by unauthorized personnel may result in
malfunction or personal injury.
○ Disassembly & Re-assembly work is permitted for the following
expendables: Sockets, O-Ring, Pin, Reaction Bar, Set Screws, and Carbon
Brushes.
● Store wrench in the metal case and keep it at the designated
Store wrench in the metal case and keep it at the designated Store wrench in the metal case and keep it at the designated
Store wrench in the metal case and keep it at the designated
place when not in use.
place when not in use.place when not in use.
place when not in use.
○ Store wrench in lockable dry location to keep any unauthorized personnel
away.
Failure to follow this instruction may result in malfunction or accidents.
● Immediately stop using the wrench and disconnect the plug when
Immediately stop using the wrench and disconnect the plug when Immediately stop using the wrench and disconnect the plug when
Immediately stop using the wrench and disconnect the plug when
unusual
unusualunusual
unusual sound, vibration or smell is detect
sound, vibration or smell is detect sound, vibration or smell is detect
sound, vibration or smell is detected.
ed. ed.
ed.
○ Contact your distributor immediately.
Failure to follow this instruction may result in serious injury.

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WARNING
WARNINGWARNING
WARNING
● Contact your distributor for repair service.
Contact your distributor for repair service. Contact your distributor for repair service.
Contact your distributor for repair service.
○ Repair work should only be carried out by a qualified serviceman.
○ Repair work done by an inexperienced person may cause accidents,
injury or malfunction.
● Check the following items before operation.
Check the following items before operation.Check the following items before operation.
Check the following items before operation.
○ Check for any deformation, crack or damage on the wrench body,
sockets, electric cord, plug and etc
○ Do not use the wrench if any problems are found on items listed above.
○ Make sure that socket assembly is correctly installed on the wrench.
○ Make sure that set screws are securely fastened. Loose installation may
result in accidents and personal injury.
● Use appropriate power source as indicated on the ratin
Use appropriate power source as indicated on the ratinUse appropriate power source as indicated on the ratin
Use appropriate power source as indicated on the rating plate.
g plate.g plate.
g plate.
Failure to follow this instruction may result in fire or burn accidents.
● Immediately check the wrench when it is dropped down or banged.
Immediately check the wrench when it is dropped down or banged.Immediately check the wrench when it is dropped down or banged.
Immediately check the wrench when it is dropped down or banged.
○ Check for deformation, crack, damage and other abnormality. Stop using
the wrench if any abnormality is found.
Continued use of fault wrench may result in accidents and personal injury.

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WARNING
WARNINGWARNING
WARNING
● Check if leakage breaker is available together with earth
Check if leakage breaker is available together with earth Check if leakage breaker is available together with earth
Check if leakage breaker is available together with earth
connection.
connection.connection.
connection.
○ Recommended leakage breaker: Rating capacity at 15mA and acting time
below 0.1sec.
Failure to follow this instruction may result in electric shock or fire.
● Grounding required during operation.
Grounding required during operation.Grounding required during operation.
Grounding required during operation.
○ Failure to follow this instruction may result in increasing the risk of
electric shock or fire if the wrench breaks down during operation.
● Do not connect earth
Do not connect earthDo not connect earth
Do not connect earth leads to gas pipe.
leads to gas pipe. leads to gas pipe.
leads to gas pipe.
○ Negligence might cause explosion or fire which might lead to serious
injury or death.
● If extension cable is used, apply those with earth and 3
If extension cable is used, apply those with earth and 3If extension cable is used, apply those with earth and 3
If extension cable is used, apply those with earth and 3-
--
-P cable.
P cable.P cable.
P cable.
○ Use one of leads for earth and connect to earth on TN wrench side.

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CAUTION
CAUTIONCAUTION
CAUTION
● Follow the instructions below when using generators.
Follow the instructions below when using generators. Follow the instructions below when using generators.
Follow the instructions below when using generators.
○ Use 50-60Hz sinusoidal power supply without high harmonic wave.
Power supply including high harmonic wave may cause malfunction or
breakage of the wrench.
○ Use high capacity generators.
Almost 2kW (2kVA) is required per one wrench.
○ The operating voltage must remain within +/-10% of the rated voltage at
all times.
○ Do not use inverter generators.
Inverter generators may cause malfunction or breakage of the wrench.
(Inverter Generator: The engine rpm will speed up and slow down
automatically due to the wattage being pulled from the generator.)
○ Do not use welder generators.
○ Welder generators may cause malfunction or breakage of the control
base installed in Simple Torqon. Some welder generators produce
electrical noise which may make Simple Torqon out of control.
○ Do not use welders along with Simple Torqon.
Simple Torqon may be out of control due to extraordinary electrical
noise even if welders are connected to other generators that Simple
Torqon is not connected to.

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CAUTION
CAUTIONCAUTION
CAUTION
● Use commercial power supply.
Use commercial power supply.Use commercial power supply.
Use commercial power supply.
● Keep work area clean.
Keep work area clean.Keep work area clean.
Keep work area clean.
○ Cluttered areas and benches invite accidents.
● Keep children away.
Keep children away.Keep children away.
Keep children away.
○ Do not let children touch TN wrenches and electric cord.
○ All visitors should be kept away from work area.
● Secure work area.
Secure work area.Secure work area.
Secure work area.
○ Keep body stance balanced and firmed.
○ Never wrap the electric cord around something.
○ Keep work area well lit.
● Use
UseUse
Use suitable model for each application.
suitable model for each application. suitable model for each application.
suitable model for each application.
○ Do not use Simple Torqon beyond their rated specifications.
○ Do not use Simple Torqon for purpose not intended.
● Dress properly.
Dress properly.Dress properly.
Dress properly.
○ Always wear gloves and non-skid footwear when operating outdoor.
○ Always wear safety helmet.

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CAUTION
CAUTIONCAUTION
CAUTION
● Use genuine accessories or attachments manufactured by Maeda
Use genuine accessories or attachments manufactured by Maeda Use genuine accessories or attachments manufactured by Maeda
Use genuine accessories or attachments manufactured by Maeda
Metal Industries, Ltd.
Metal Industries, Ltd.Metal Industries, Ltd.
Metal Industries, Ltd.
● Do not abuse the electric co
Do not abuse the electric coDo not abuse the electric co
Do not abuse the electric cord.
rd.rd.
rd.
○ Never use the electric cord for carrying, pulling, or unplugging the power.
○ Keep the electric cord away from heat, oil, sharp edges or moving parts.
● Keep electric motor well ventilated.
Keep electric motor well ventilated. Keep electric motor well ventilated.
Keep electric motor well ventilated.
○ Do not put any foreign materials into the vent.
○ Do not block exhaust vent.
● Maintain wrench.
Maintain wrench.Maintain wrench.
Maintain wrench.
○ Keep wrench handle clean, dry and free of oil or grease.
● Do not connect multiple plugs to a single outlet by using multiple
Do not connect multiple plugs to a single outlet by using multiple Do not connect multiple plugs to a single outlet by using multiple
Do not connect multiple plugs to a single outlet by using multiple
outlet adaptors.
outlet adaptors.outlet adaptors.
outlet adaptors.
○ Over current may cause fire, accidents or malfunction.
● Provide leakage breaker as a
Provide leakage breaker as aProvide leakage breaker as a
Provide leakage breaker as a shock guard for each wrench.
shock guard for each wrench. shock guard for each wrench.
shock guard for each wrench.

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CAUTION
CAUTIONCAUTION
CAUTION
● When using an extension cord, make sure that voltage remains
When using an extension cord, make sure that voltage remains When using an extension cord, make sure that voltage remains
When using an extension cord, make sure that voltage remains
within +/
within +/within +/
within +/-
--
- 10% of the rated voltage at all times.
10% of the rated voltage at all times. 10% of the rated voltage at all times.
10% of the rated voltage at all times.
● When applying extension cord, select shorter extension units than
When applying extension cord, select shorter extension units than When applying extension cord, select shorter extension units than
When applying extension cord, select shorter extension units than
specified below depending on the cross se
specified below depending on the cross sespecified below depending on the cross se
specified below depending on the cross section.
ction.ction.
ction.
Max Length Nominal conducting
cable cross section １１０－１２０ Ｖ
１１０－１２０ Ｖ
１．２５ ｍｍ
２
１０ ｍ ２０
２．０ ｍｍ
２
１５ ｍ ３０
Ｈ０７ＲＮ－Ｆ
３．５ ｍｍ
２
３０ ｍ ６０
ＡＷＧ １４ ５０ｆｔ（１５ｍ） １００ｆｔ（３０ｍ）
ＡＷＧ １２ ８０ｆｔ（２５ｍ） １６０ｆｔ（５０ｍ）
ＡＷＧ １０ １３０ｆｔ（４０ｍ） ２６０ｆｔ（８０ｍ）
○ Using extension cord more than Maximum Length may result in
malfunction or breakdown due to performance drop of the wrench.
● Observe local
Observe local Observe local
Observe local laws and rules concerning noise level.
laws and rules concerning noise level. laws and rules concerning noise level.
laws and rules concerning noise level.

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4
44
4．
．．
．PARTS
PARTSPARTS
PARTS NAME, EXTERNAL DIMENSIONS
NAME, EXTERNAL DIMENSIONS NAME, EXTERNAL DIMENSIONS
NAME, EXTERNAL DIMENSIONS
MODEL ACCESSORIES QTY
○L-type Reaction Bar * １
○Set Screw * ２
* Mounted on Main Body
○Straight type Reaction Bar 1
○Set Screw (for Spare) ２
○L-type Hex Key Wrench 1
○(－)Driver １
○Metal Case １
○Instruction Manual １
STC50AE
STC50TE
○Connector(220-230V only) 1
Optional Accessories
○Impact Socket 12AD-Series
○Lifting Device
● Contact your distributor for these optional accessories above.

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External Dimensions