Tone Power Digitorqon PDX-302N User manual

INSTRUCTION MANUAL
Ｎｏ．１６０１
MODEL
PDX-301N / PDX-302N (N.m)
PDX-501N / PDX-502N (N.m)
PDX-301F / PDX 501F (lbf.ft)
CAUTION
- Read and fully understand all the instructions before use.
- Keep this manual in designated place for easy and quick reference.
- The model mentioned on this manual is designed for use outside oｆJapan.
Warranty shall be void if above mentioned model is used in Japan.
５０
× １ ０ ０
Ｎ ｍ
４０ ２０
３０

- 1 -
INTRODUCTION
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. (see page 16)
If any problems are found, contact your distributor.
■Read this instruction manual carefully before use.
Full understanding of manual is essential to prevent bodily 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 of Japan, it may not use in Japan.

- 2 -
SAFETY INSTRUCTIONS
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 imminently 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 in operation.

- 3 -
TABLE OF CONTENTS
1．Application························································································ 4
2．Precautions for Use····························································· 4
3．Part Name & Accessories ························································15
4．Before Use······················································································18
5．Changing Accessories································································20
6．Operating Procedure ··································································29
7．Setting Preset Torque ·······························································35
8．Using Display ·················································································37
9．microSD Memory Card Storage Format ·····························53
10．Changing Batteries ································································56
11．Error and Status Indication ·····················································
12．Maintenance ·············································································61
13．Periodic Inspection ································································62
14．Features·····················································································63
15．Specifications···········································································64
16．After-Sales Service ······························································65

- 4 -
1. Application
■is an electric torque control wrench with digital
torque indicator that shows actual tightening torque being applied on
bolts/nuts.
2. Precaution for Use
■To prevent fire, electric shock, bodily injury and etc, read and follow all
instructions listed below.
DANGER
●Beware of electric shock at high working place.
Electric shock at high working place may result in dangerous tumble down.
About Double Insulation
This electric wrench has double insulation structure. Double insulation is designed
to improve electrical safety by having two layers of insulating materials surrounding
live parts. All wrenches with double insulation structure are IEC protection class
“Class II”appliance and are labeled by double insulation symbol of 回.
Using the non-conformed replacement parts or improper assembly work will make
the double insulation ineffective, causing personal injury or accident. Contact
your distributor when assembly, replacement, repair or etc is needed.

- 5 -
DANGER
●Do not put hands, fingers or feet close to the reaction plate during
operation.
○The reaction plate rotates in the direction opposite to that of bolt
and nut rotation.
○Never place hands, fingers or feet where reaction plate is placed.
Failure to follow this instruction may result in amputation of hands,
fingers or feet.
WARNING
●Firmly hold the wrench with both hands during operation.
○The wrench automatically shuts off when tightening is completed.
Prepare for automatic shut off by firmly holding the wrench with both
hands as reaction force maximizes just before automatic shut off.
Failure to follow this instruction may result in personal injury.
●Beware of electric shock.
○Do not use wrench in rain, snow, wet or humid condition.
○Never touch the power plug with wet hands.
Failure to follow this instruction may result in electric shock, fire or
electrical leakage.
●Check electric cord periodically.
○If it is damaged, contact your distributor for repair service.
DANGER

- 6 -
WARNING
●Never use the wrench in a location where flammable substances
such as gasoline, gas, thinner, benzene and etc. are stored.
○The trigger switch emits sparks when it is turned on/off.
The commutator motor also emits sparks when it is rotating.
Failure to follow this instruction may result in explosion or fire.
●Avoid accidental starting.
○Do not carry the wrench with your finger on the trigger switch when it is
connected to the power source.
Accidental start may result in personal injury.
●Disconnect the plug from the power source when:
○the wrench is not used.
○accessories are changed.
○inspection/maintenance is carried out.
○trouble or danger is foreseen.
Accidental start may result in personal injury.
●Immediately turn off the power and disconnect the plug when
abnormal sound, vibration or smell is detected during operation.
○Contact your distributor for advice.
Continued use may result in electric shock, fire or personal injury.
●Operate the wrench at the voltage specified on the rating plate.
Failure to follow this instruction may result in fire, burn or personal injury.
●Place reaction plate parallel to the torque indicating display.
○Refer to the figure shown right.
Incorrect installation may damage the
torque indicating display, moreover, may
result in personal injury.
Ｒ Ｌ Ｒ Ｌ

- 7 -
WARNING
●Place the reaction plate to a solid member.
○Select solid member or surface to be placed the reaction plate as
those member or surface receives load almost equivalent to that of
output torque.
Failure to follow this instruction may result in loss of torque precision;
damage or deformation of reaction plate or its set screws; or damage or
seizure of the wrench.
●Place the reaction plate to a stable section.
○If stable section is not available, set protective buffer plate (e.g. steel
splice plate) in place where reaction plate is going to be placed.
Protective buffer plate must be securely placed.
Loose buffer plate may invite accident and personal injury.
●Correctly install pin and O-ring on the socket.
○Incorrectly mounted socket may drop off when carrying the wrench or
during operation.
Loose socket may invite personal injury.
●Beware of fall down accident when working at a high place.
○Wear safely belt.
○Provide safety net or canvas as safeguard 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 accident.
●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 faulty wrench may result in electric shock, fire burn or
personal injury.

- 8 -
WARNING
●Avoid overloading.
○Use the wrench and its accessories within the rated specification.
Overloading of the wrench and its accessories may result in damage of the
wrench or its accessories; or accident or personal injury.
●Properly install the socket and reaction plate as described in
this manual.
Incomplete installation may result in accident and personal injury.
See “Changing Accessories”on page 18.
●Do not disassemble or modify the wrench.
Disassembly or modification made by unauthorized personnel may result in
electric shock, fire, malfunction, injury or loss of torque precision.
Disassembly/reassembly is permitted for following expendables:
Carbon Brush, Reaction Plate, Socket, O-ring, Pin and Battery.
●When not in use, store the wrench in the metal case and keep it in
the designated place.
○Store the wrench in lockable dry location to keep any unauthorized
personnel away.
Failure to follow this instruction may cause malfunction or accident.
●Contact your distributor for repair service.
Repair work should only be done by a qualified serviceman. Repair work
done by an inexperienced person may cause accident, injury or malfunction.

- 9 -
WARNING
●Check the following items before operation.
○Check for any deformation, crack or damage on wrench body,
reaction plates, electric cord, power plug, socket, O-ring, pin、
batteries, metal case, hex key wrench and screwdrivers (-).
Do not use wrench if any of the above items are abnormal.
○Make sure that the socket and the reaction plate are correctly
installed on the wrench.
○Make sure that set screws for the reaction plate are securely fastened.
Loose installation may result in electric shock, fire, burn and personal
injury.
●Use AA alkaline dry cells or rechargeable nickel hydride
batteries only.
Failure to follow this instruction may result in fire, burn, injury, accident,
malfunction, loss of torque precision or etc.
●Handle batteries with care.
○Make sure the polarity of the batteries is correct.
○Do not heat, short circuit, disassemble or throw them into the fire.
○Do not mix new and old batteries.
○Do not use AA alkaline dry cells with other types of batteries.
○Do not recharge conventional dry cell batteries.
○Immediately wash with clean water and receive medical
treatment if battery electrolyte enters into eyes.
○Immediately wash with clean water if battery electrolyte adheres to
skin or cloth.
○Remove the batteries when they are ran out or the wrench is going
to be left unused.
○Follow other precautions written on the batteries.
Failure to follow these instructions may result in fire, burn injury, accident,
malfunction, electrolyte leakage or loss of torque precision.

- 10 -
CAUTION
●Use commercial power supply to operate the wrench.
●Follow the instructions below when using generator.
□Use 50-60Hz sinusoidal power supply without high harmonic wave.
Power supply includes high harmonic wave may cause malfunction or
breakage of the wrench.
□Use high capacity generator.
Power requires almost 2kW (2kVA) per one wrench.
□The operating voltage must remain within +/- 10% of the rated voltage at
all times.
□Do not use inverter generator.
Inverter generator: The engine rpm will speed up and slow down automatically due to
the wattage being pulled from the generator.
Failure to follow these instructions may cause malfunction or breakage of
the wrench.
●Do not use a supplemental power of the engine welding machine.
Some engine welding machines may generate electrical noise and damage
torque control device that is incorporated in the wrench.
●Do not use welding machine near the wrench.
The electromagnetic interference from welding machine can affect
wrench’s torque control device even if welding machine is operating
from the power of different generator.
●Do not abuse electric cord.
□Never use the electric cord for carrying, pulling, or unplugging the power.
□Keep electric cord away from heat, oil or sharp edges.

- 11 -
CAUTION
●Keep good motor ventilation.
□Do not put any foreign materials in the vent.
□Do not cover the vent.
●Do not connect multiple plugs to a single outlet by using multiple
outlet adaptors.
Over current may cause fire, accident or malfunction.
●Provide leakage breaker as a shock guard for each wrench.
□Use of leakage breaker is not mandatory for double insulated
wrenches, however, it is recommended for safety reason.
●When using an extension cord, make sure that voltage remains
within +/- 10% of the rated voltage at all time.
●Extension cord must be selected from a list below.
As the distance from the supply outlet increases, a larger gauge
extension cord must be used. Using extension cord with inadequate
size causes a serious drop in voltage, resulting in loss of power and
overheating.
Nominal Conducting
Cable Cross Section
Max. Length
115V
230V
H07RN-F
1.5mm2
10m
20m
2.5mm2
20m
40m
4.0mm2
30m
60m
AWG 14
50ft
100ft
AWG 12
80ft
160ft
AWG 10
130ft
260ft
●Observe local laws and rules for concerning noise level.

- 12 -
CAUTION
●Reaction force must be taken by area beyond “a”dimension when
L-type reaction plate is used. See table below.
There is a chance to invite overload when
reaction force is taken within “a”dimension
which may result in breakage of the HSH set
screws, seizure of the output square drive or
loss of torque precision.
Model
a (mm)
PDX-301N/PDX-302N/PDX-301F
130
PDX-501N/PDX-502N/PDX-501F
135
●Fully slide the socket over the bolt/nut.
Insufficient socket engagement may cause
damage to the bolt/nut or slip off of the
socket which may result in injury or
malfunction of the wrench.
●Do not operate wrench in extremely high or low temperature.
Refer operating temperature in the specification.
Failure to follow this instruction may result in accident, malfunction or loss
of torque precision.
ａ

- 13 -
CAUTION
●Do not operate wrench in humid condition.
□Do not operate wrench in a location subject to rain.
□Refer operating temperature in the specification.(➭P.64)
Failure to follow this instruction may result in accident, malfunction or loss
of torque precision.
●Never use wrench under condensation occurs.
Failure to follow this instruction may result in accident, malfunction or loss
of torque precision.
●Do not operate wrench beyond its rated torque range.
□Refer torque range in the specifications (p. 60).
Failure to follow this instruction may result in accident, malfunction or loss
of torque precision.
●Do not operate wrench in dusty condition.
□Prevent dust from entering the wrench.
Dust may cause performance degradation as well as malfunction or loss of
torque precision.
●Keep work area clean.
Cluttered areas and benches invite accident.
●Keep children away.
□Do not let children touch the wrench and the electric cord.
□All visitors should be kept away from work area.

- 14 -
CAUTION
●Secure work area.
□Keep body stance balanced and firmed.
□Never wrap the electric cord around something.
□Keep work area well lit.
●Use suitable model for each application.
□Do not use wrench beyond its rated specification.
□Do not use wrench for purpose not intended.
●Dress properly.
□Always wear gloves and non-skid footwear when operating outdoor.
□Always wear safety helmet.
●Use genuine accessories and attachments manufactured by Maeda
Metal Industries, Ltd.
●Maintain wrench.
□Keep wrench handle clean, dry and free of oil or grease.
●Avoid dropping and impacting.
□Handle with care when transportation.
Failure to follow this instruction may cause performance degradation as
well as malfunction or loss of torque precision.
●Do not use solvent such as thinner for cleaning the wrench.
□Solvent could erase marking or paint.
□Use dry cleaning.

- 15 -
3. Part Name & Accessories
Part Name
※/ Marks indicate to push more than 2 seconds
※/ Marks indicate to push less than 1 second
５０
× １ ０ ０
Ｎ ｍ
４０ ２０
３０
LED Display
PWR
SET●
MENU
SELECT○
Straight type
Reaction Plate
Reverse Knob
Square Drive
Torque Setting Dial
Status Light
Motor
Display
Trigger Switch
L-type
Reaction Plate
HSH Set Screw

- 16 -
Accessories
Straight type Reaction Plate (factory installed)
1 pc
L-type Reaction Plate
1 pc
HSH Set Screw
(2pcs factory installed, 2pcs for replacement)
4 pcs
Screwdriver (-)
1 pc
Mini Screwdriver (-)
1 pc
Hex Key Wrench *
1 pc
Metal Case
1 pc
CE Connector (only for CE models)
1 pc
Instruction Manual
1 pc
Calibration Certificate
1 pc
AA Alkaline Battery (factory installed)
4 pcs
microSD Memory Card Set
microSD Memory Card
Adapter
Case
Instruction Manual & Warranty Certificate
1 set
* Size of Hex Key Wrench
Model
PDX-301N / PDX-302N
PDX-301F
PDX-501N / PDX-502N
PDX-501F
Size
3mm
5mm
Optional Accessories
・Lifting Device
1 set
Lifting Device
Spacer
CRPH Screw
1 pc
2 pc
4 pcs
●Contact your distributor for custom made reaction plates and other optional
accessories.

- 17 -
External Dimensions (mm)
Model
b
B
D
H
H1
L
L1
L2
L3
La
Lb
PDX-301N
PDX-302N
PDX-301F
99
25.4
98
311
377
332
288
69
97
205
185
PDX-501N
PDX-502N
PDX-501F
38.1
117
320
341
297
84
246
200
５０
×１００
Ｎｍ
４０ ２０
３０
５０
×１００
Ｎｍ
４０ ２０
３０
Ｌ２
Ｌｂ
ストレート形反力受装着図
Ｌ形反力受装着図
□Ｂ
Ｌ１
Ｌ
Ｌａ
φＤ
Ｈ
５０
×１００
Ｎｍ
４０ ２０
３０
Ｌ３
Ｒ Ｌ
ｂ
Ｈ１
吊り具装着図（オプション）

- 18 -
4. Before Use
■Preparation of the wrench and procedures of torque setting are shown in the
following.
WARNING
●Check followings before connecting plug into power source.
Failure to follow these instructions may result in serious injury due to
accidental starting.
4.1 Check for any deformation, crack or damage on wrench body, reaction plate,
electric cord, electric plug, socket, o-ring, pin and etc. before use.
Do not use wrench if any problem is found on items listed above.
Make sure that HSH set screws for reaction plate are securely fastened.
Refer “Changing Accessories”on page 19.
4.2 Make sure to use adequate power supply and batteries.
Use adequate power source and batteries as indicated on the rating plate.
4.3 Make sure to use adequate socket/pin/o-ring suitable for bolt/nut to be
tightened.
4.4 Impact socket should be securely installed on the wrench with pin and o-ring.
4.5 Correct insertion of microSD memory card is needed to store measured torque
values in the microSD card and to review them on the computer.

- 19 -
4.6 Set clock (calendar year, month, date and time) of the display before use.
NOTE When tightening torque is measured without microSD memory card, the clock
is used only for purpose of “5-6 Display setting state and battery power
level”(See Page 19.) In this case, setting the clock is not necessary.
4.7 Activate or deactivate an “Auto Start Mode”before use.
Zero adjustment is automatically made right before each torque measurement
when auto start is ON.
Manual zero adjustment is necessary each time before torque measurement
when auto start is OFF. Battery last longer when auto start is OFF.
Refer “Using Display”on page 25.
4.8 About 5 minutes of warm up exercise at no-load is necessary for precise torque
measurement.
CAUTION
●The torque control wrench tend to stop right after the wrench is
activated when it is set for minimum torque value and is use in
temperature below 10 degrees centigrade. In such case set
torque setting dial at maximum and exercise the wrench for about 5
minutes then reset the torque to target torque.