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MUC122IW 2 

rev. 12/27/12

MUC122IW 12V Impact Wrench

SAVE THESE INSTRUCTIONS!

GENERAL SAFETY INFORMATION

(FOR ALL BATTERY OPERATED TOOLS)

WARNING: 
  Read and understand all instructions. Failure to 

follow all instructions listed below, may result 
in electric shock, fire, explosion and/or serious 
personal injury.

Work Area Safety

1.  Keep your work area clean and well lit.
  Cluttered benches and dark areas invite accidents.
2.  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.

3.  Keep bystanders, children, and visitors away while operating 

a power tool. Distractions can cause you to lose control and  
endanger others.

Electrical Safety

4.  A battery operated tool with integral batteries or a separate 

battery pack must be recharged only with the specified 
charger for the battery. A charger that may be suitable for 
one type of battery may create a risk of fire when used with 
another battery.

5.  Use battery operated tool only with specifically designated 

battery pack. Use of any other batteries may create a risk  
of fire.

Personal Safety

6.  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.

7.  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.

8.  Avoid accidental starting. Be sure switch is in the locked or 

"off" position before inserting battery pack. Carrying tools 
with your finger on the switch or inserting the battery pack 
into a tool with the switch on invites accidents.

9.   Remove adjusting keys or wrenches before turning the tool  

 on. A wrench or a key that is left attached to a rotating part  
 of the tool may result in personal injury.

10. Do not overreach. Keep proper footing and balance at all  

 times. Proper footing and balance enable better control of  
 the tool in unexpected situations.

11. Use safety equipment. Always wear eye protection.  

 Dust mask, non-skid safety shoes, hard hat, or hearing   
 protection must be used for appropriate conditions.

Tool Use and Care

12. Use clamps or another practical way to secure and support 

the workpiece to a stable platform. Holding the work by hand 
or against your body is unstable and may lead to loss of  
control.

13. Do not force tool. Use the correct tool for your application. 
14. Do not use tool if switch does not turn it on or off. A tool  

 that cannot be controlled with the switch is dangerous and  
 must be repaired.

15. Disconnect battery pack from tool or place the switch in the 

locked or "off" position before making any adjustments,  
changing accessories, or storing the tool. Such preventive 
safety measures reduce the risk of starting the tool 
accidentally.

16. Store idle tools out of reach of children and other untrained 

persons. Tools are dangerous in the hands of untrained users.

17. When battery pack is not in use, keep it away from other 

metal objects like: paper clips, coins, keys, nails, screws, 
or other small metal objects that can make a connection 
from one terminal to another. Shorting the battery terminals 
together may cause sparks, burns, or a fire.

18. Check for misalignment or binding of moving parts, 

breakage of parts, and any other condition that may affect 
the tool’s operation. If damaged, have the tool serviced before 
using. Many accidents are caused by poorly maintained tools.

19. 

Use only impact sockets and accessories that are 

recommended by the manufacturer for your model. 
Accessories that may be suitable for one tool may create 
a risk of injury when used on another tool.

Service

20. Tool service must be performed only by the MATCO 

authorized service centers listed. Service or maintenance 
performed by unqualified personnel may result in a risk of 
injury. Repair by unqualified personnel, use of unauthorized 
parts, and failure to follow maintenance instructions may 
create a risk of shock or injury.

SAVE THESE INSTRUCTIONS!

SPECIFIC SAFETY RULES

 

DO NOT let comfort or familiarity with product  

replace strict adherence to cordless product  
safety rules. If you use this tool unsafely or 
incorrectly, you can suffer serious personal injury.

1. Hold tool by insulated gripping surfaces when performing an 

operation where the accessories may contact hidden wiring. 
Contact with a “live” wire will also make exposed metal parts 
of the tool “live” and shock the operator.

FAILURE TO OBSERVE THESE WARNINGS COULD RE SULT IN IN JU RY.

WARNING

Summary of Contents for MUC122IW

Page 1: ...es depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as those dust masks that are specially designed to filter out microscopic particles Copyright Professional Tool Products 2012 All rights reserved MUC122IW Operating Instructions Warning Information Parts Breakdown Blows Per Minute...

Page 2: ...d safety shoes hard hat or hearing protection must be used for appropriate conditions Tool Use and Care 12 Use clamps or another practical way to secure and support the workpiece to a stable platform Holding the work by hand or against your body is unstable and may lead to loss of control 13 Do not force tool Use the correct tool for your application 14 Do not use tool if switch does not turn it o...

Page 3: ...dge is removed before installing or removing the socket 1 To install the socket push the socket onto the anvil as far as it will go 2 To remove the socket simply pull the socket from the anvil 3 To start the tool simply pull the trigger Release the trigger to stop 4 For reversing the tool use the forward reverse switch on the drive unit The directions of the rotation are also shown on the face of ...

Page 4: ...S12IW09 Motor Assembly 1 10 RS108IW10 Carbon Brush Assembly 2 11 RS12IW11 Forward Reverse Rod 1 12 RS12DD11 Switch 1 13 RS12DD10B Knob 1 14 RS12DD12 Thermal Conductive Pad 1 15 RS12IW15 PCB Assembly 1 16 RS12DD09 LED 1 17 RS12IW17B Housing L R 1 18 RS108IW14 Side Panel 2 19 RS144IW020 Housing Screw 10 20 RS108DD12 Housing Clip 1 21 RS12IW21B Housing Label R 1 Also available RS108IW5PK Package of 5...

Page 5: ...ped or otherwise damaged in any way take it to a MATCO AUTHORIZED service facility 11 Do not disassemble charger or battery cartridge take it to your MATCO AUTHORIZED distributor service facility Incorrect reassembly may result in a risk of electric shock or fire 12 To reduce risk of electric shock unplug charger from outlet before attempting any maintenance or cleaning Turning off controls will n...

Page 6: ...harge level before storing Li ion batteries are sensitive to shock Avoid dropping hitting or exposure to vibration Li ion can be charged frequently and recharged before it is fully depleted Li ion in fact is ideally recharged before it is completely depleted Recharging when there is 25 50 capacity remaining in the battery may prolong its lifespan Contaminants can adversely affect the performance a...

Page 7: ...ce example Cordless ratchet heads should be greased tool motors should not be exposed to harmful substances such as cleaning chemicals excessive dust and dirt and metal shavings or debris Alterations or improper accessories were used with the product MATCO 12V LITHIUM ION BATTERY MUC12LB CHARGER MUC12LC Matco Tools warrants its 12V Lithium ion battery charger to be free from defects in material an...

Page 8: ... a dichos químicos trabaje en una área bien ventilada y con equipo de seguridad aprobado tales como los máscaras anti polvo los que son específicamente diseñados para filtrar las partículas microscópicas LEER SIEMPRE LAS INSTRUCCIONES ANTES DE USAR LAS HERRAMIENTAS NUEMÁTICAS USAR SIEMPRE ANTEOJOS PROTECTORES USAR PROTECCIÓN PARA LOS OÍDOS EVITAR EXPOSICIÓN PROLONGADA A LAS VIBRACIONES Instruccion...

Page 9: ...lesiones personales 10 No se extralimite Mantenga los pies sobre base firme y en equilibrio en todo momento La base y equilibrio adecuados permiten un mayor control de la herramienta durante situaciones inesperadas 11 Use equipo de seguridad Siempre lleve puesto protección de ojos Se deben usar máscaras antipolvo zapatos de seguridad antideslizantes un casco y protección del oído según las condici...

Page 10: ...de cepillos de carbón 2 Asegúrese que se retire la batería antes de que se proceda con lo siguiente 3 Use una broca de tamaño T8 para aflojar los tornillos de los paneles laterales y quite el panel 4 Retire las escobillas de carbón de cada lado y repóngalas con unidades nuevas de parte de un distribuidor autorizado de Matco 5 Inserte nuevas escobillas de carbón e instale la tapa con los mismos tor...

Page 11: ...ído o haya sido dañado de otra forma llévelo a una Instalación de servicio AUTORIZADO de MATCO 11 NO desensamble el cargador ni el cartucho de la batería llévelo a su centro de servicio de distribución AUTORIZADO de MATCO El ensamblado incorrecto puede ocasionar un riesgo de choque eléctrico o incendio 12 Para disminuir el riesgo de choque eléctrico desenchufe el cargador de la salida antes de rea...

Page 12: ... choques Evite dejarlas caer que se peguen o se expongan a las vibraciones Las baterías litio Ion pueden ser recargadas frecuentemente y pueden ser recargadas antes de que estén completamente agotadas De hecho se deben recargar las baterías Litio ion idealmente antes de que estén completamente agotadas Si se las recarguen cuando haya entre 25 y 50 de capacidad de carga restante se puede alargar su...

Page 13: ...l uso normal La herramienta ha sido maltratada o usada para fines para el cual no fue destinada o no ha recibido el mantenimiento adecuado ejemplo las cabezas de trinquete inalámbricas deben estar engrasadas los motores de la herramienta no deben estar expuestos a sustancias dañinas tales como químicos de limpieza el polvo y suciedad excesivos y virutas de metal o escombros Se realizaron modificac...

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