DOGA DPTC Series User manual

INSTRUCTIONS MANUAL
DPTC series

IMPORTANT
The tool delivered with this manual may have been modified for specific needs.
In that case, please give us the tool code number written on our shipping note or the approximate tool
delivery date when you place an order for a new similar tool or for spare parts.
In that way, you will be sure to get the required tool and/or spare part.
WARNING
This information has to be kept in a location known by all users.
Each operator has to read carefully this manual before installing, using, and
mending the product.
Be sure that the operator has understood using recommendations and the meaning of signs put on the
product.
Most accidents could be avoided respecting this Manual Instructions. As a matter of fact, they were
created according to European laws and norms regarding products.
In each case, please respect and follow safety national norms. Do not take off nor damage the stickers
or advise put on the product and above all the details imposed by the law.

Instructions manual / DPTC Series 3
INDEX
1GENERAL SAFETY RULES..................................................................................................4
1.1 Work Area Safety............................................................................................................4
1.2 Personal Safety ..............................................................................................................4
1.3 Tool Use and Care..........................................................................................................4
1.4 Service ...........................................................................................................................5
2Additional Safety Rules for Shut Off Impulse Tool..................................................................5
2.1 Battery Charger ..............................................................................................................5
2.2 Battery Pack...................................................................................................................5
3SCREWDRIVER- FUNCTIONAL GUIDES.............................................................................6
4WRENCH- FUNCTIONAL GUIDES .......................................................................................7
5FUNCTIONAL DESCRIPTION FOR SCREWDRIVER...........................................................8
6FUNCTIONAL DESCRIPTION FOR WRENCH .....................................................................9
7ASSEMBLY .........................................................................................................................10
7.1 Attaching or Removing Battery Pack.............................................................................10
8OPERATIONS.....................................................................................................................11
8.1 Forward/ Reverse Rotation Switch Operation ...............................................................11
8.2 Forward Rotation Operation..........................................................................................11
8.3 Reverse Rotation Operation..........................................................................................11
8.4 The process to lock the Reverse...................................................................................11
8.5 The process to adjust the impulse setting.....................................................................12
8.6 The process to lock the impulse settings.......................................................................12
9TORQUE ADJUSTMENT and TEST....................................................................................13
10 LED indications and Beeper- Trouble shooting....................................................................16
10.1 LED indicator and beeper on the tool shows the following status..................................16
10.2 Troubles Shooting.........................................................................................................16
11 CHARGER & LI-ION BATTERY...........................................................................................17
11.1 Charging the battery - for Li-ion battery [NOTE]............................................................17
11.2 Li-ion Battery Pack [NOTE]...........................................................................................17
11.3 Lamp Indications...........................................................................................................18
12 SPECIFICATIONS...............................................................................................................19
13 NOISE AND VIBRATION LEVEL DECLARATION (Max. value) EN 60745-2-2...................20
14 EXPLODED VIEW and PART LIST .....................................................................................21
14.1 DPTC-15 HD1/4 - 18V Cordless Shut off Impulse Tool (7~13 N-m)..............................21
14.2 DPTC-15 SD3/8 - 18V Cordless Shut off Impulse Tool (8~15 N-m)..............................22
14.3 DPTC-25 HD1/4 - 18V Cordless Shut off Impulse Tool (14~23 N-m)............................23
14.4 DPTS-25 SD3/8 - 18V Cordless Shut off Impulse Tool (15~25 N-m) ............................24
14.5 DPTC-35 HD1/4 - 18V Cordless Shut off Impulse Tool (20~31 N-m)............................25
14.6 DPTC-35 SD3/8 - 18V Cordless Shut off Impulse Tool (22~35 N-m) ............................26
14.7 DPTC-45 SD3/8 - 18V Cordless Shut off Impulse Tool (32~45 N-m) ............................27

Instructions manual / DPTC Series 4
WARNING! “READ ALL INSTRUCTIONS”Always observe the safety regulations applicable in
your country to reduce the risk of fire, electric shock and personal injury. Understand the following safety
instructions before attempting to operate this product. Always wear eye protection when working with
power tools.
Keep these instructions in a safe place.
SAVE THESE INSTRUCTIONS
1GENERAL SAFETY RULES
1.1 Work Area Safety
⚫Keep your work area clean and well lit. Cluttered benches and dark areas invite
accidents.
⚫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 or
fumes.
⚫Keep bystanders, children, and visitors away while operating a power tool.
Distractions can cause you to lose control.
1.2 Personal Safety
⚫Stay alert, watch what you are doing and use common sense when operating a power
tool. Do not use tool while tired or under the influence of drugs, alcohol, or
medication. A moment of inattention while operating power tools may result in serious
personal injury.
⚫Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep your
hair, clothing, and gloves away from moving parts. Loose clothes, jewelry, or long hair
can be caught in moving parts.
⚫Do not overreach. Keep proper footing and balance at all times. Proper footing and
balance enable better control on the tool in unexpected situations.
⚫Use safety equipment. Always wear eye protection. Dust mask, non-skid safety shoes,
hard hat, or hearing protection must be used for appropriate conditions.
1.3 Tool Use and Care
⚫Use clamps or other practical ways to secure and support the work piece to a stable
platform. Holding the work piece by hand or against your body is unstable and may lead to
loss of control.
⚫Do not force tools. Use the correct tool for your application. The correct tool will do the
job better and safer at the rate for which it is designed.
⚫Do not use tool if switch does not turn it on or off. Any tool that cannot be controlled
with the switch is dangerous and must be repaired.
⚫Store idle tools out of reach of children and other untrained persons. Tools are
dangerous in the hands of untrained users.
⚫Check for misalignment or binding of moving parts, breakage of parts, and any other
condition that may affect the tool operation. If damaged, have the tool serviced before
using. Many accidents are caused by poorly maintained tools.
⚫Use only accessories that are recommended by the manufacture for your model.
Accessories that may be suitable for one tool, may become hazardous when used on
another tool.

Instructions manual / DPTC Series 5
1.4 Service
⚫Tool service must be performed only by qualified repair personnel. Service or
maintenance performed by unqualified personnel could result in a risk of injury.
⚫When servicing a tool, use only identical replacement parts. Follow instructions in the
Maintenance section of this manual. Use of unauthorized parts or failure to follow
maintenance instructions may create a risk of electric shock or injury.
2 Additional Safety Rules for Shut Off Impulse Tool
2.1 Battery Charger
⚫Caution : To reduce risk of injury, charge only the authorized batteries. Other types of
battery may burst, causing personal injury and damage.
⚫Before using battery charger, read all instructions and cautionary markings on batteries,
chargers and products using batteries.
⚫Do not allow anything to cover or clog the charger vents.
⚫Do not expose charger to rain, snow or wet conditions.
⚫To reduce the risk of damage to electric plug and cord, pull by plug rather than cord when
disconnecting charger.
⚫Use of an attachment not recommended or sold by the manufacturer may result in a risk of
fire, electric shock, or injury to persons.
⚫Make sure cord for charger is located so that it will not be stepped on, tripped on, tripped
over, or otherwise subjected to damage or stress.
⚫Do not abuse the power cord. Never use the cord to carry the charger. Keep cord away from
heat, oil, water, sharp edges, or moving parts. Replace damaged cords immediately.
⚫Do not operate charger if it has been damaged in any way, take it to a qualified service
center for repair.
⚫To reduce risk of electric shock, unplug charger from outlet before attempting any
maintenance or cleaning. Turning off controls will not reduce this risk.
⚫Do not disassemble charger or battery cartridge, take it to a qualified service center when
repair is required. Incorrect reassembly may result in a risk of electric shock or fire.
2.2 Battery Pack
⚫Do not charge battery pack when temperature is below 0oC (32oF) or above 40oC (104oF).
⚫Do not attempt to use a step-down transformer, an engine generator or DC power
receptacle.
⚫Do not short the battery pack: Do not touch the terminals with any conductive material.
Avoid storing battery cartridge in a container with other metal objects such as nails, coins,
paper clips, etc.
⚫Do not expose battery cartridge to water or rain. A battery short can cause large current
flow, overheating, possibly burns and even a breakdown.
⚫Do not store the machine and battery pack in locations where the temperature may reach or
exceed 50 °C (122 °F).
⚫Do not incinerate the battery pack even if it is severely damaged or completely worn out.
The battery pack can explode in a fire.
⚫Be careful not to drop, shake, or strike the battery.
⚫Do not charge inside a box or container of any kind. The battery must be placed in a well
ventilated are during charging.
⚫Do not dispose of battery packs into household waste, fire or water. Battery packs should be
collected, recycled or disposed of in an environmentally-friendly manner. Call the authorized
warranty centers for places to dispose of damaged or inoperable batteries.

Instructions manual / DPTC Series 6
3 SCREWDRIVER- FUNCTIONAL GUIDES
(A)
1/4" Hex with quick change chuck.
(B)
LED indicator provides simple process information to the operator. The signal is visible
from any angle.
(C)
LED light for working in dark area.
(D)
Trigger switch with variable speed control.
(E)
Press button for easy Forward/Reverse operation.
(F)
Ergonomic handle design provides a well-balance.
(G)
Easy attached sliding battery system.
(H)
Li-ion battery pack delivers longer run-time.
)
A
(
(
B)
(
C
)
(
F
)
(
D
)
(
G
)
(
H
)
(
E)

Instructions manual / DPTC Series 7
4 WRENCH- FUNCTIONAL GUIDES
(A)
LED indicator provides simple process information to the operator. The signal is visible
from any angle.
(B)
LED light for working in dark area.
(C)
Trigger switch with variable speed control.
(D)
Press button for easy Forward/Reverse operation.
(E)
Ergonomic handle design provides a well-balance.
(F)
Easy attached sliding battery system.
(G)
Li-ion battery pack delivers longer run-time.
(
A)
(
B
)
(
E
)
(
C
)
(
F
)
(
G
)
(
D)

Instructions manual / DPTC Series 8
5 FUNCTIONAL DESCRIPTION FOR SCREWDRIVER
This industrial shut off screwdriver is designed for nut tightening/loosening and screw
driving/loosening. It is not appropriate to use for wood/mild steel drilling. Please refer to the figure
on the page to familiarize yourself with the major components of this tool before use.
1/ Power Switch
Depressing the power switch will energize the LED light (2) in front and the tool starts to rotate.
When released, power to the motor will cease and the tool stops to work immediately. But the
LED light will remain for 5 seconds then off.
3/ Forward/Reverse Button
The tool is always in forward operation unless the Forward/Reverse button is pressed. When
the button is pressed, the yellow and green LED flash together, the tool will be in reverse
operation. To get the tool back in forward operation, just simply press the button again and the
LED would disappear and the tool is back in forward operation.
4/ Quick Change Holder
This driver accepts only 1/4” (6.35mm) hexagonal bits. Be sure the bit is fully engaged by the
chuck before operating tool. Otherwise, the bit may fly off and cause property damage or
personal injury.
5/ Li-ion Battery
This battery provides electrical power to the motor. Please charge it according to the charging
instruction listed in this manual.
WARNING : Use the tool to either tighten or loosen nuts and screws ONLY in stipulated
torque and voltage ranges.
4
3
2
1
5

Instructions manual / DPTC Series 9
6 FUNCTIONAL DESCRIPTION FOR WRENCH
This industrial shut off wrench is designed for nut tightening/loosening and screw
driving/loosening. It is not appropriate to use for wood/mild steel drilling. Please refer to the
figure on the page to familiarize yourself with the major components of this tool before use.
1/ Power Switch
Depressing the power switch will energize the LED light (2) in front and the tool starts to rotate.
When released, power to the motor will cease and the tool stops to work immediately. But the
LED light will remain for 5 seconds then off.
3/ Forward/Reverse Button
The tool is always in forward operation unless the Forward/Reverse button is pressed. When
the button is pressed, the yellow and green LED flash together, the tool will be in reverse
operation. To get the tool back in forward operation, just simply press the button again and the
LED would disappear and the tool is back in forward operation.
4/ Anvil (Drive Shaft)
The anvil will accept drive hex socket. Be sure the socket is fully inserted before operating
tool. Otherwise, the socket may fly off and cause property damage or personal injury.
WARNING : Just only use the sleeve sockets.
5/ Li-ion Battery
This battery provides electrical power to the motor. Please charge it according to the charging
instruction listed in this manual.
WARNING : Use the tool to either tighten or loosen nuts and screws ONLY in stipulated
torque and voltage ranges.
4
3
2
1
5
Information to know :
1) No lights on the tools indicates the tool
is in SLEEP mode. To wake up the tool,
just to press the trigger. The tools will
be ready to use.
2)After operating the tool, the impulse
setting number will be remained on the
display for 5 mins. As the number
disappears, the tool goes into SLEEP
mode.

Instructions manual / DPTC Series 10
7 ASSEMBLY
Check for damage to the tool; parts or accessories which may have occurred during transport.
Take the time to thoroughly read and understand this manual prior to operation.
This tool kit contains:
- 1 18V Cordless Shut off Impulse Tool
- 1 or 2 torque adjust tool
- 1 instruction manual
7.1 Attaching or Removing Battery Pack
1. To connect battery, line up the tracks and attach the battery pack. Slide toward the battery
pack until it locks into position with a click.
2. To remove the battery pack, press the button on the top of the battery pack and release the
battery pack.
SLIDE
2
.
RELEASE
1
.
PRESS

Instructions manual / DPTC Series 11
8 OPERATIONS
This product had been carefully inspected prior to leaving the factory. It should provide you with
years of satisfying service under normal operating conditions. Do not, however, force the tool to
perform outside its design parameters. Such usage will void the warranty.
WARNING!
Read the manual instruction before operating the tool. Always wear safety glasses or
faceshields when operating this product. Failure to do so can result in dust, shavings or loose
particles being thrown into your eyes.
1. Slide battery into the bottom of the housing handle until a click sound occurs. Do not force battery
as it should slide easily into place with nominal force. Any difficulty doing so would indicate an
incorrect alignment.
2. Select a proper size drive bit and insert into the quick change holder.
3. Depress the trigger to engage the LED light and the tool starts to work. Check the torque on the
digital tester to see if the desired torque reached. If not, adjust the torque to either tighten or loosen
the valve spring.
4. When the torque is reach, the tool will shut off automatically.
8.1 Forward/ Reverse Rotation Switch Operation
To prevent damage, do not press Forward/Reverse button until the anvil comes a complete stop.
8.2 Forward Rotation Operation
The tool is in forward operation if the green/yellow light is not on.
8.3 Reverse Rotation Operation
By long press on the F/R switch, users are able to choose the mode of Reverse operation, either
automatic or manual.
Mode 1 : Automatic –Tool returns to Forward operation automatically after reverse operation.
Mode 2 : Manual –Tool needs to be adjusted manually to return to Forward operation after reverse
operation.
How to adjust: Long press on the F/R switch and release it as seeing the green/yellow light is
flashing quickly. The mode is transformed successfully.
8.4 The process to lock the Reverse
1. To remove the battery pack
2. To press one of the F/R switches.
3. To insert the battery pack.
4. After 6 sec., releasing the F/R switch while the warning noise sounding.
5. When the warning noise sounds again means the setting completed.
Note :When the Reverse Locked mode set, the tool will always run at forward direction, the
reverse switches will be lost their function.
6. To do the process 1~5 to remove the reverse lock function.

Instructions manual / DPTC Series 12
8.5 The process to adjust the impulse setting
To press the impulse setting button until the number blinking, and choose the proper number,
then press the trigger or wait for 5 secs to complete the impulse setting.
8.6 The process to lock the impulse settings
1) To remove the battery pack
2) To press the trigger and one of the F/R switches at the same time.
3) To insert the battery pack.
4) To wait for 5 secs until the beep sounds heard; meanwhile, release the trigger and F/R switch
together. Then the impulse setting is locked.
5) To do the same process as above, the impulse setting will be unlocked.
Impulse setting number &
error code display area
Impulse setting, point appeared
means the setting is locked.
Impulse setting button

Instructions manual / DPTC Series 13
9 TORQUE ADJUSTMENT and TEST
1) For models DPTC-25 HD1/4, DPTC-25 SD3/8, DPTC-35 HD1/4, DPTC-35 SD3/8, DPTC-45
SD3/8
⚫ Wrench : Rotate the anvil manually ; make the valve screw inside the pulse unit aim at the
hole. Then, use the attached tool to adjust the torque. Torque increased by turning clockwise and
vice versa.
Note: To avoid danger during the adjustment process, the battery pack must be removed before
adjusting the torque.
2)For models DPTC-15 HD1/4, DPTC-15 SD3/8
⚫ Use the attached tool (2.5mm) to loosen the screw on the
Front Cover Assembly.
Note: To avoid danger during the adjustment process, the
battery pack must be removed before adjusting the torque.
⚫ Rotate the anvil manually ; make the valve screw
inside the pulse unit aim at the hole.
Then, use the attached tool (1.5mm) to adjust the
torque.
Torque increased by turning clockwise and vice versa.
⚫ Use the attached
tool (2.5mm) to
tighten the screw
back to the Front
Cover Assembly.
Valve Screw
Increase Torque
Decrease Torque
Decrease
Torque
Increase Torque

Instructions manual / DPTC Series 14
HOW TO TEST TORQUE
Test method:
1) Static measurement
2) Dynamic measurement
(1) Workshop
(2) Assembly line
Torque testing instrument
Torque transducer
Test joint
Vise
(1) Workshop

Instructions manual / DPTC Series 15
※Always verify the dynamic measurement by a static check with a digital torque wrench.
Torque testing instrument
Your actual joint
Torque transducer
(2) Assembly line

Instructions manual / DPTC Series 16
10 LED indications and Beeper- Trouble shooting
10.1 LED indicator and beeper on the tool shows the following status
Status of the LED indicator and beeper
Status of the tool
Action to be taken
Light up in red, yellow and green together for
one second.
A long beep for one second.
The tool is OK to use.
-
Light up in red for one second.
A long beep for one second.
The preset torque is not
reached
The screwing fastener
must be performed
again.
Light up in green.
The preset torque is
reached and the tightening
is OK.
-
Blinks in yellow for five times.
Five short beeps.
The battery power becomes
low.
Replace the battery with
fully charged one.
Light up in yellow for five second.
A long beep for five second.
The battery power is used
up, the tool stops
immediately.
Replace the battery with
fully charged one.
Yellow light & green light are blinking at the
same time.
The tool is in reverse
operation.
-
10.2 Troubles Shooting
ERROR Mode : Display by LED
Error Mode
Error Cause
Solutions
E2
Motor overheated
To remove battery pack and put aside for
cooling
E3
Motor damaged
To send back to repair center for checking
E4
Trigger damaged
To send back to repair center for checking
E8
Pulse unit damaged or
overheated
Damaged: To replace the pulse unit
Overheat: To put aside for cooling and reattach
the battery pack after the pulse unit cool down.

Instructions manual / DPTC Series 17
11 CHARGER & LI-ION BATTERY
11.1 Charging the battery - for Li-ion battery [NOTE]
⚫ When charging a cool battery pack (below 0°C(32°F)) in a warm place, leave the battery pack
at the place and wait for more than one hour to warm up the battery to the level of the ambient
temperature. Otherwise battery pack may not be fully charged.
⚫ Cool down the charger when charging more than two battery packs consecutively.
⚫ Do not insert your fingers/nails into contact hole, when holding charger or any other occasions.
1) Place charger in a relatively cool and well-ventilated area.
2) Plug charger into the AC outlet.
CAUTION: Ensure that the power source to be utilized conforms tothe power requirement specified
on the product nameplate.
3) Turn the battery up-side-down and slide the battery into charger while keeping the alignment
marks line up. Slide the forward in the direction of the arrow. Do not force battery as it should slide
easily into place with nominal force. Any difficulty doing so would indicate an incorrect alignment.
4) If the power lamp (red) does not light immediately or goes out soon after the charger is
plugged in, consult an authorized dealer.
5) During charging, the charging lamp (green) will start flashing. When charging is completed, an
internal electronic switch will automatically be triggered to prevent overcharging.
- Charging will not start if the battery pack is warm. For example, immediately after heavy-duty
operation. The yellow standby lamp will be flashing until the battery cools down.
6) If the temperature of the battery pack is 0°C or less, charging takes longer to fully charge the
battery pack than the standard charging time. Even when the battery is fully charged, it will have
approximately 50% of the power of a fully charged battery at normal operation temperature.
7) Once the battery is fully charged, the green lamp will be lit to indicate the gone into a trickle
charge mode.
11.2 Li-ion Battery Pack [NOTE]
1. Your battery pack is not fully charged at the time of purchase. Be sure to charge the battery
before first use.
2. Remove the battery pack when the tool is idle for a long time.
3. Recharge the battery pack once every 6 months even if the battery is not in use.

Instructions manual / DPTC Series 18
11.3 Lamp Indications
Red Lit
Charger is plugged into the AC outlet. Ready to charge.
Yellow Flashing
(1) When the temperature of the battery is too low (<0°C(<32°F)), it is in
a trickle charge mode until the temperature of the battery goes up to
over 0°C(<32°F). The lamp will change from the Yellow Flashing to
Green Flashing automatically and start to charge. (If after 70 minutes,
the lamp changes from yellow flashing to yellow lit, consult an
authorized dealer.)
(2) When the temperature of the battery is too high (>40°C(104°F)), it is
in a trickle charge mode until the temperature of the battery drops to
under 40°C(104°F). The lamp will change from the Yellow Flashing to
Green Flashing automatically and start to charge. (If after 70 minutes,
the lamp changes from yellow flashing to yellow lit, consult an
authorized dealer.)
(3) When the voltage of the battery is too low (below 14.4 voltage), it is
in a trickle charge mode until the voltage of the battery reaches to the
standard value. The lamp will change from the Yellow Flashing to
Green Flashing automatically and start to charge. (If after 20 minutes,
the lamp changes from yellow flashing to yellow lit, consult an
authorized dealer.)
Yellow Lit
The battery and the charger are not connected. If the yellow lit still on after
trying re-attach the battery, consult an authorized dealer.
Green Flashing
Now start charging
Green Flashing
Battery is approximately 50% charged.
Green Flashing
Battery is approximately 80% charged.
Green Lit
Charging is complete. (Fully charged.)

Instructions manual / DPTC Series 19
12 SPECIFICATIONS

Instructions manual / DPTC Series 20
13 NOISE AND VIBRATION LEVEL DECLARATION (Max. value) EN 60745-2-2
Model : DPTC-15 HD1/4 DPTC-15 SD3/8
Sound pressure level (no load/load) LpA : 67.7 / 72.1 dBA Uncertainty K : 1.5 dB
Sound power level (no load/load) LwA : 78.7 / 83.1 dBA Uncertainty K : 1.5 dB
Vibration total value (load) ahd : 6.3 m/s² Uncertainty K : 1.5 m/s²
Model : DPTC-25 HD1/4 DPTC-25 SD3/8
Sound pressure level (no load/load) LpA : 66.5 / 74.1 dBA Uncertainty K : 1.5 dB
Sound power level (no load/load) LwA : 77.5 / 85.1 dBA Uncertainty K : 1.5 dB
Vibration total value (load) ahd : 7.7 m/s² Uncertainty K : 1.5 m/s²
Model : DPTC-35 HD1/4 DPTC-35 SD3/8
Sound pressure level (no load/load) LpA : 66.1 / 73.5 dBA Uncertainty K : 1.5 dB
Sound power level (no load/load) LwA : 77.1 / 84.5 dBA Uncertainty K : 1.5 dB
Vibration total value (load) ahd : 8.4 m/s² Uncertainty K : 1.5 m/s²
Model : DPTC-45 SD3/8
Sound pressure level (no load/load) LpA : 64.0 / 77.0 dBA Uncertainty K : 1.5 dB
Sound power level (no load/load) LwA : 75.0 / 88.0 dBA Uncertainty K : 1.5 dB
Vibration total value (load) ahd : 13.3 m/s² Uncertainty K : 1.5 m/s²
The declared noise levels and vibration total value has been measured in accordance with a
standard test method and may be used for comparing one tool with another. The declared noise
levels and vibration total value may also be used in a preliminary assessment of exposure.
WARNING:
−The noise and vibration emission during actual use of the power tool can differ from the declared
total value depending on the ways in which the tool is used; and
−Need to identify safety measures to protect the operator that are based on an estimation of
exposure in the actual conditions of use (taking account of all parts of the operating cycle such as
the times when the tool is switched off and when it is running idle in addition to the trigger time).