120/220VAC Direct Plug-In Screwdrivers
Operation Manual
CAUTION - Please read, understand, and follow all
operating and safety instructions in this manual before
using the Electric Screwdrivers.
Do not attempt to modify the tools. Repairs must only
be performed by qualied repair personnel.
Doc. AC_DirectPlugIn_Screwdriver_Man_R1
Copyright © 2013 Delta Regis Tools, Inc
Applies to the following Delta Regis products:
Lever Start Screwdriver Models: ESL300, ESL301, ESL302, ESL383E, 384E, 385E, 383FE,
ESL384FE, ESL500(LT), ESL501, ESL502, ESL503
Push-to-start Screwdriver Models: ESL300P, ESL301P, ESL302P, ESL383PE, 384PE, 385PE,
ESL383PFE, 384PFE
AA
C DC D
O O
Documentation Provided By HMC Electronics
33 Springdale Ave. Canton, MA 02021
http://www.hmcelectronics.com
(800) 482-4440
Work Area
Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents.1.
Do not operate power tools in explosive environments, such as in the presence of ammable liquids, gases, or dust. 2.
Power tools create sparks which may ignite the dust or fumes.
Keep bystanders away while operating a power tool. Distractions can cause the operator to lose control.3.
Electrical Safety
Use only the correct electrical outlet for the screwdriver power cord plug. Grounded tools must be plugged into an 1.
outlet properly installed and grounded in accordance with all codes and ordinances. Never remove the grounding
prong or modify the plug in any way. Do not use an adapter plug.
Avoid body contact with earthed or grounded surfaces such as pipes, metal structures or other electrical products. 2.
There is an increased risk of electrical shock if your body is grounded.
Use these products in a suitable dry, indoor location. Do not use the tool in damp, wet or high temperature 3.
environments. Water entering a power tool will increase the risk of electrical shock.
Ensure that the supply outlet is overload protected and of sucient amperage capacity.4.
Don’t abuse the cord. Never use the cord to carry the tools or pull the plug from an outlet by the cord. Keep the cord 5.
away from heat, oil, chemicals, sharp edges, and moving parts. Replace damaged cords immediately. Damaged cords
increase the risk of electrical shock.
When operating a power tool outdoors, use an extension cord suitable for outdoor use.6.
Personal Safety
Stay alert, watch what you are doing, and use common sense when operating a power tool. Do not use tools when 1.
tired or under the inuence of drugs, alcohol, or medication. A momentary lack of attention while operating a power
tool may result in serious personal injury.
Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep hair, clothing, and gloves away from 2.
moving parts. Loose clothing, jewelry, or long hair can be caught in moving parts.
Avoid accidental starting. Make sure the trigger switch is o before plugging the tool in. Carrying tools with the 3.
trigger held on or plugging in tools with the trigger switch on invites accidents.
Remove adjusting keys or wrenches before turning on the tool. A wrench or key that is left attached to a rotating part 4.
of the tool may reult in personal injury.
Do not overreach. Keep a proper footing and balance at all times. Proper footing and balance enables better control of 5.
the tool in unexpected situations.
Use safety equipment. Always wear eye protection. Dust mask, non-slip safety shoes, hardhat, or hearing protection 6.
must be used for appropriate conditions.
120/220VAC Direct Plug-In
Operation Manual
Important - Safety and Use
Warning - Read all instructions. Failure to understand and follow proper guidelines, safety
requirements, and operating instructions may result in malfunction, component damage, property
damage, shock hazard, re hazard, injury or death. The term ‘power tool’ refers to a mains operated
(corded) or battery operated (cordless) electric screwdriver. Save this manual for future reference.
Grounding - This screwdriver’s AC power cord is equipped with a 3-prong electrical plug with ground pin. The plug must
be connected to a properly grounded AC electrical outlet. Do not attempt to use this screwdriver without a properly
functioning ground connection. Never connect a live circuit to the ground pin or internal green or yellow-green ground
wire.
Page 2
Documentation Provided By HMC Electronics
33 Springdale Ave. Canton, MA 02021
http://www.hmcelectronics.com
(800) 482-4440
120/220VAC Direct Plug-In
Operation Manual
Page 3
Screwdriver Overview
Tool Use and Care
Use clamps or other practical means to secure and support the workpiece to a stable platform. Holding the work by 1.
hand or against your body is unstable and may lead to loss of control.
Do not force the tool. Use the correct tool for your application. The correct tool will do the job better and safer at the 2.
rate for which it is designed.
Do not use the tool if the switch does not turn it on or o. Any tool that cannot be controlled with the switch is 3.
dangerous and must be repaired.
Disconnect the plug from the power source before making any adjustments, changing accessories, or storing the tool. 4.
Such preventative safety measures reduce the risk of starting the tool accidentally.
Store idle tools out of reach of children and untrained persons. Tools are dangerous in the hands of untrained users.5.
Maintain tools with care. Check for misalignment or binding of moving parts, breakage of parts, and any other 6.
condition that may aect the tool’s 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 manufacturer for your model. Accessories that are suitable for one 7.
tool may become hazardous when used on another tool.
Operating Cautions
When changing a screwdriver bit or changing accessories, make certain that the forward/reverse switch is in the ‘OFF’ 1.
position and the tool is unplugged.
Do not allow chemicals such as acetone, benzene, thinner, trichloroethylene ketone, or other similar chemicals to 2.
come in contact with the screwdriver housing as damage will result.
Do not drop or abuse the screwdriver.3.
Do not adjust the torque setting higher than 8 on the torque scale.4.
This tool is intended for a duty cycle of 0.8 sec ON and 3.2 sec OFF.5.
Do not tighten more than 800 tapping screws per hour (M3 x 5mm).6.
This screwdriver is not intended to drive wood screws.7.
Do not operate the forward/reverse switch while the screwdriver is running.8.
Whenever a tool is not being used, move the forward/reverse switch to the OFF position and unplug the power cord.9.
Documentation Provided By HMC Electronics
33 Springdale Ave. Canton, MA 02021
http://www.hmcelectronics.com
(800) 482-4440
120/220VAC Direct Plug-In
Operation Manual
Page 4
600 Series
An external torque adjustment nut located at the nose of the screwdriver is used to set the output torque of the
screwdriver. A reference scale (0-8) is available as a guide - this scale is for reference only and does not indicate actual
torque values. Rotate the torque nut clockwise (covering higher numbers on the scale) to increase torque output, ccw
to decrease torque output. Always make adjustments starting below the desired torque and working upward in gradual
increases.
We recommend the use of an appropriate torque tester and static joint testing after installation to verify proper torque
settings. An optional torque lock sleeve can be purchased as an accessory. This sleeve replaces the tool’s housing nut
and covers the torque adjustment nut to deter tampering.
Please note that, on a new tool, the torque output may decline during the initial break-in period. The decline will
become minor and stabilized afterwards. To ensure required torque output, the user should check torque output
periodically with a torque meter and adjust as required.
Setting the torque
Getting Started
Unpack the screwdriver from its box and conrm that all items have been received in good condition. The screwdriver
is shipped with the appropriate grounded power cord for connection to the AC supply receptacle.
Select a suitable location for plugging in the screwdriver. Ensure that the location allows for the required range of
motion of the screwdriver without stressing the power cable. The cable should bend naturally and always have some
play in it. Undue stress put on the cable will result in premature cable failure.
Installing Driver Bits
Retract the sleeve on the bit holder and insert the desired 1/4” hex power bit. Release the sleeve and ensure that
the bit is properly locked in place by pulling back and forth on the bit.
Make sure that the tool’s start mechanism (lever or push-start) is not engaged and the fwd/o/rev switch is in the
‘o’ position to prevent the tool from accidentally starting when plugging in the tool.
Depending on the model of screwdriver selected, the screwdriver will have either a start lever or a push-to-start
mechanism (models with ‘P’ sux). All models also have a forward/o/reverse switch. Please note that the center
position of this switch is ‘o’. The screwdriver switch should be left in the o position when the tool is not being used for
any extended length of time.
Hold the tool grip securely in your hand so that the index nger is over the trigger mechanism and the thumb can be
used to cycle the fwd/rev switch if necessary. For higher torque models (eg ESL385E/PE), we recommend the use of a
torque reaction arm to improve operator ergonomics.
Familiarize yourself with the operation of the tool by free running the tool before use at higher torque values.
Note - Do not switch from forward to reverse (or reverse to forward) while the motor is running.
Recommended Grip
Driving the Fastener
Put the fwd/rev switch in the forward position. For lever start models, squeeze the trigger and hold until the clutch
reacts. Shut-o clutch models will turn o when the clutch activates, ratchet clutch models will click continuously when
the clutch activates. If using a push-to-start model, apply adequate downward force to start the tool and hold until the
clutch reacts and the tool shuts o. The preset torque will not be reached if the trigger mechanism is released before the
clutch activates. Ensure that enough downward force is applied to prevent the screwdriver bit from camming out of the
fastener during the rundown process.
Documentation Provided By HMC Electronics
33 Springdale Ave. Canton, MA 02021
http://www.hmcelectronics.com
(800) 482-4440
120/220VAC Direct Plug-In
Operation Manual
Page 5
Model Number Start Type Range In.Lbs Range Nm
Speed
(RPM)
AC Current
(no load)
Length
in / mm
Diameter
in / mm
Weight
lbs / g
ESL300 Lever 1.8 - 10.4 0.2 - 1.18 1000 0.3 A 9.5 / 242 1.5 / 38 1.2 / 550
ESL300P Push 1.8 - 10.4 0.2 - 1.18 1000 0.3 A 9.5 / 242 1.5 / 38 1.2 / 550
ESL301 Lever 2.5 - 16.5 0.29 - 1.86 1000 0.3 A 9.5 / 242 1.5 / 38 1.2 / 550
ESL301P Push 2.5 - 16.5 0.29 - 1.86 1000 0.3 A 9.5 / 242 1.5 / 38 1.2 / 550
ESL302 Lever 13 - 39 1.47 - 4.41 500 0.4 A 10.6 / 269 1.6 / 41 1.6 / 700
ESL302P Push 13 - 39 1.47 - 4.41 500 0.4 A 10.6 / 269 1.6 / 41 1.6 / 700
120V AC Electric Screwdrivers
Shut-o Clutch
Standard tool supplied as 120VAC with North American plug - for 220VAC please consult factory
Specifications:
Input Voltage: 110-120VAC, 50/60Hz
AC Plug Type: 3 prong, grounded
Bit Holder: 1/4” hex quick change
Model Number Start Type Range In.Lbs Range Nm
Speed
(RPM)
AC Current
(no load)
Length
in / mm
Diameter
in / mm
Weight
lbs / g
ESL383E Lever 4.4 - 19 0.50 - 2.16 1000 0.3 A 10.6 / 269 1.6 / 41 1.6 / 700
ESL383PE Push 4.4 - 19 0.50 - 2.16 1000 0.3 A 10.6 / 269 1.6 / 41 1.6 / 700
ESL383FE Lever 3.5 - 15 0.39 - 1.67 1900 0.3 A 10.6 / 269 1.6 / 41 1.6 / 700
ESL383PFE Push 3.5 - 15 0.39 - 1.67 1900 0.3 A 10.6 / 269 1.6 / 41 1.6 / 700
ESL384E Lever 8.8 - 26 0.98 - 2.94 700 0.3 A 10.6 / 269 1.6 / 41 1.6 / 700
ESL384PE Push 8.8 - 26 0.98 - 2.94 700 0.3 A 10.6 / 269 1.6 / 41 1.6 / 700
ESL384FE Lever 8.8 - 26 0.98 - 2.94 1000 0.3 A 10.6 / 269 1.6 / 41 1.6 / 700
ESL384PFE Push 8.8 - 26 0.98 - 2.94 1000 0.3 A 10.6 / 269 1.6 / 41 1.6 / 700
ESL385E Lever 13 - 39 1.47 - 4.41 500 0.3 A 10.6 / 269 1.6 / 41 1.6 / 700
ESL385PE Push 13 - 39 1.47 - 4.41 500 0.3 A 10.6 / 269 1.6 / 41 1.6 / 700
Standard tool supplied with EU plug on power cord - for UK plug, add sux ‘-UK’
220V AC Electric Screwdrivers
Shut-o Clutch, EU Plug, CE/RoHS
Specifications:
Input Voltage: 220-240VAC, 50/60Hz
AC Plug Type: Euro Plug
Bit Holder: 1/4” hex quick change
Model Number Start Type Range In.Lbs Range Nm
Speed
(RPM)
AC Current
(no load)
Length
in / mm
Diameter
in / mm
Weight
Lbs / g
ESL500LT Lever 0.44 - 6.1 0.05 - 0.69 1200 0.3 A 9.1 / 230 1.4 / 36 1.1 / 480
ESL500 Lever 1.8 - 13 0.20 - 1.47 1200 0.3 A 9.1 / 230 1.4 / 36 1.1 / 480
ESL501 Lever 4.4 - 21.6 0.49 - 2.45 1000 0.3 A 10.4 / 264 1.5 / 38 1.3 / 590
ESL502 Lever 8.5 - 30 0.98 - 3.43 830 0.3 A 10.4 / 264 1.5 / 38 1.3 / 590
ESL503 Lever 13 - 39 1.47 - 4.41 550 0.3 A 10.4 / 264 1.5 / 38 1.3 / 590
120V AC Electric Screwdrivers
Ratchet (Slip) Clutch
Standard tool supplied as 120VAC with North American plug - for 220VAC please consult factory
Specifications:
Input Voltage: 110-120VAC, 50/60Hz
AC Plug Type: 3 prong, grounded
Bit Holder: 1/4” hex quick change
Documentation Provided By HMC Electronics
33 Springdale Ave. Canton, MA 02021
http://www.hmcelectronics.com
(800) 482-4440
120/220VAC Direct Plug-In
Operation Manual
Page 6
Tool service must be performed only by qualied repair personnel. Service or maintenance performed by unqualied 1.
personnel could result in a risk of injury.
When servicing a tool, use only identical replacement parts. Use of unauthorized parts or failure to follow maintenance 2.
instructions may create a risk of electric shock or injury.
Check for damaged parts. Before further use, any part that is damaged should be carefully checked to determine that it 3.
will operate properly and perform its intended function. Check for alignment of moving parts, binding of moving parts,
breakage, and other conditions that may aect the tools’ operation. A part that is damaged should be properly repaired
or replaced by an authorized service center. Do not use the tool if the switch does not turn it ON or OFF.
Screwdrivers should be maintained in top running condition and used no more than 8 hours per day. To avoid motor 4.
overheating, do not drive more than 10-15 screws per minute.
It is recommended that the screwdriver be serviced and carbon brushes be changed every ve to six months. Brushes 5.
should be replaced when 1/3 of the original length has worn away (2-3 mm, depending on the model). Life of the
brushes depends on operating frequency and torque output.
Inspect cables for signs of wear and have them replaced if suspect. Using an ohmmeter, verify ground continuity from 6.
the tip of the screwdriver bit holder to the ground pin connection on the power cable.
If the screwdriver is used more than 8 hours per day, service should be performed more frequently.7.
Do not remove any labels. Replace labels which have been damaged.8.
Repairs to Delta Regis AC Direct Plug-In Series Screwdrivers must be performed by trained personnel, knowledgeable and
qualied in the repair of electric screwdrivers. Consult your nearest Delta Regis authorized service center.
Use only genuine Delta Regis parts when servicing these products. Do not attempt to modify the tools.
It is the responsibility of the employer to inform all operators of the information in this manual.
Service
Delta Regis AC Direct Plug-In Screwdrivers are warranted for one year from the date of purchase against defects in material
and workmanship. This warranty does not cover damage due to transportation, abuse, misuse, or improper service. Our sole
remedy is to repair or replace (at our discretion) any unit found to be defective due to defects in material or workmanship.
It is the responsibility of the user to return any product thought to be defective, freight prepaid, to our warehouse for
inspection and evaluation.
There is no warranty of merchantability or tness of purpose. In no event will Delta Regis Tools, Inc.
be liable for business interruptions, loss of prots, harm, injury, damage, personal injury, cost of delay,
or any other special, indirect, incidental, or consequential losses, costs, or damages.
Warranty
If you require parts or accessories for your Delta Regis product, please refer to our website or contact us for further
information.
Parts and Accessories
Documentation Provided By HMC Electronics
33 Springdale Ave. Canton, MA 02021
http://www.hmcelectronics.com
(800) 482-4440
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