WilTec 61134 User manual

Operation Manual
ARTICLE 61134
1/2 Inch Air Impact Wrench
Read and follow the operating instructions and safety information before using for the first time.
Technical changes reserved!
Due to further developments, illustrations, functioning steps and technical data can differ
insignificantly.
Updating the documentation
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The information contained in this document is subject to change without prior notice. o part of this
document can be copied or duplicated in another form without the prior written consent of WilTec
Wildanger Technik GmbH. The WilTec Wildanger Technik GmbH assumes no liability for any errors in
this user manual or the connection diagram.
Although WilTec Wildanger Technik GmbH has made every effort to make sure that this user manual
is complete, accurate and updated, errors cannot always be avoided. In the event of problems with
this user manual please complete and send this form back to us.
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Introduction
Thank you for purchasing this quality product. To minimize the risk of injury y means of fire or
electric shock we urge that our clients take some asic safety precautions when using this
device. Please read the operation instructions carefully and make sure you have understood its
content.
Always use a grounded power connection with the appropriate mains voltage. You can find the
corresponding mains voltage on the type plate. If you have any doubts about the connection being
grounded, have it checked by a qualified professional. ever use a faulty electric cable.
Do not inspect the electrical part of the pressure pond filter in a wet or damp environment or when you
are wet yourself and protect it from direct sunlight. Install this device in a safe location so that nobody
can step on the cable, fall over or damage it. Disconnect the power plug before cleaning it and use
only a damp cloth for cleaning. Avoid using cleaning agents and make sure that no liquid enters the
electrical part of the pump.
The electric part of the device contains no parts that can be inspected or serviced by the user. Leave
the maintenance, adjustment and repair to qualified technical personnel. In case of unauthorised
intervention the 2-year warranty is no longer valid! Keep these operation instructions safe.
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IMPORTANT SAFETY INSTRUCTIONS
INSTRUCTIONS PERTAINING TO A RISK OF FIRE, OR INJURY TO PERSONS.
WARNING! When using tools, basic precautions should always be followed.
WORK AREA
Keep the work area clean and well lit. Cluttered benches and dark areas increase risk of electric
shock, fire and injury to persons.
Do not operate tool in explosive atmospheres, such as in the presence of flammable liquids, gases
or dust.
Keep bystanders, children and visitors away while operating the tool. Distractions may result in
personal injury and/or injury of others.
PERSONAL SAFETY
Always wear eye protection. Operator and others within work area should always wear approved
safety goggles with side shields. Eye protection is used to guard against flying fasteners and de-
bris, which may cause severe eye injury.
Always wear hearing protection when using the tool. Extended exposure to high intensity noise
may cause hearing loss.
Use safety equipment. A dust mask, non-skid safety shoes and a hard hat must be used for the
applicable conditions.
Do not wear loose fitting clothing or jewelry. Use a helmet for long hair. These items can get
caught in moving parts, causing serious personal injury.
Stay alert, watch what you are doing and never operate the tool while being tired or under the in -
fluence of drugs, alcohol or medication. A moment of inattention while operating the tool increases
the risk of injury to persons.
Remove adjusting keys and wrenches before switching the tool on. A wrench or a key that is left
attached to a rotating part of the tool increases the risk of injury to persons.
Keep proper footing and balance at all times. Do not use on a ladder or an unstable support.
Proper footing and balance enable better control of the tool in unexpected situations.
Make sure the hose is free of obstructions or snags. Entangled or snarled hoses can cause loss of
balance or footing and may become damaged resulting in possible injury.
Do not attach the hose or tool to your body. Attach the hose to the structure to reduce the risk of
loss of balance if the hose shifts.
Avoid unintentional starting. Be sure the switch is off before connecting the air supply. Do not
carry the tool with your finger on the switch or connect the tool to the air supply when switched on.
Wash hands after handling.
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TOOL USE AND CARE
Get to know this tool. Read the manual carefully, learn its application and limitations, as well as
the specific potential hazards related to this tool.
Do not force the tool. Use the correct tool for the application. The correct tool will do the job better
and safer at the rate for which it has been designed for.
WARNING! Disconnect the tool from the air source before making any adjustments, changing acces-
sories or before storing the tool. Such precautionary measures reduce the risk of injury to persons.
Check for misalignment or binding of moving parts, breakages and any other conditions that may
affect the tool in its operation and safety. Damaged tools must be repaired before using them.
Many accidents are caused by poorly maintained tools. There is a risk of bursting if the tool is
damaged.
Store the tools in a secure place when not in use and keep them out of reach of children and other
untrained persons. A tool is dangerous in the handy of untrained users.
Holding a work piece by hand or against the body is unstable and may lead to loss of control.
Keep the tool and its handle dry, clean and free from oil and grease. Always use a clean cloth
when cleaning it. ever use brake fluids, gasoline, petroleum-based products or any strong sol-
vents to clean your tool.
Do not use the tool as hammer.
ever use gasoline or flammable liquids to clean the tool. ever use the tool in the presence of
flammable liquids or gases. Vapors can be ignited by a spark and cause an explosion that will re-
sult in death or serious personal injury.
Do not remove or manipulate the trigger. ever cause the trigger lock to become inoperable. Do
not operate any tool which has been modified in any way. Death or serious personal injury can be
the result.
ever use the tool if the switch does not work. Any tool that cannot be controlled by the switch is
dangerous and must be repaired before using it again.
Always fit the tool with a fitting or hose coupling on or near the tool that all compressed air is dis-
charged at the same time when the fitting or hose coupling is disconnected. Do not use a check
valve or any other fitting that allows the air to remain within the tool. Death or serious personal in-
jury might be the result.
ever carry the tool by the air hose or pull the hose to move the tool away from a compressor.
Keep hoses away from heat, oil and sharp edges. Replace any hose that is damaged, weak or
worn. Otherwise this might result in personal injury or damage to the tool.
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Do not drop or throw the tool. Dropping or throwing the tool can result in damage that will make
the tool unusable or unsafe. If the tool has been dropped or thrown, examine the tool closely for
bent, cracked or broken parts or any air leaks. If the tool has any damages, it must be repaired be-
fore being used again to avoid taking serious injuries.
Clean and check all air supply hoses and fittings before connecting the tool to an air supply. Re-
place any damaged or worn hoses or fittings. This will reduce tool performance or its durability.
Do not use the tool if it leaks air or does not function properly.
Do not operate the tool if it does not contain a legible warning label.
TOOL SERVICE
Use only accessories that are allowed by the manufacturer.
When servicing a tool, only use original spare parts.
Only use supplied lubricants specified by the manufacturer.
Tool service must only be performed by the manufacturer or an authorized service partner.
OPERATION
The amount of actual torque may vary depending on the cleanliness and condition of threads and
other factors.
The warnings and precautions discussed in this manual cannot cover all possible conditions and
situations that may occur. Always be aware and cautious while working with the tool.
Only use it with accessories that are rated to handle the forces exerted by this tool during opera-
tion. Other accessories which are not designed for the generated forces may break and forcefully
launch pieces.
Attach all accessories properly to the tool before connecting the air supply. A loose accessory may
detach or break during operation.
Obey the manual for the air compressor used with this power tool.
Install an in-line shutoff valve to allow immediate control over the air supply in an emergency, even
if a hose is ruptured.
Use this tool with both hands only. Using tools with only one hand can result in loss of control.
Do not lay down the tool until it has come to a complete stop. Moving parts can grab the surface
and pull the tool out of your control.
Always handle the tool with care:
oRespect the tool as a working implement.
oever pull the trigger unless nose is directed toward the work.
oKeep others in a safe distance from the tool while the tool is in operation as accidental ac-
tuation may occur possibly causing injury.
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AIR SUPPLY AND CONNECTIONS
Do not use any type of reactive gases like oxygen carbon dioxide and combustible gases as a
power source. Use filtered, lubricated, regulated compressed air only. Use of a reactive gas in-
stead of compressed air may cause the tool to explode which will cause death or serious personal
injury.
Use only a pressure-regulated compressed air source to limit the air pressure supplied to the tool.
The regulated pressure must not exceed 90 PSI. If the regulator fails, the pressure must not ex-
ceed 90 PSI. The tool could explode which will cause death or serious personal injury.
Always disconnect air source:
oBefore making adjustments
oWhen servicing the tool
oWhen tool is not in use
oWhen moving to a different work area as accidental actuation may occur causing injury
ever connect the tool to an air source that may exceed 90 PSI. Over pressurizing the tool may
result in bursting, abnormal operation, breakage of the tool as well as serious personal injury. Use
only clean, dry, regulated compressed air at the rated pressure or within the rated pressure range
as marked on the tool. Always verify prior to using the tool that the air source has been adjusted to
the rated air pressure or within the rated air-pressure range.
SPECIFICATIONS
Square drive: 1/2”
Idle speed: 7000 rpm
Max torque: 230 ft-lb
Air consumption: 5 cfm
Air inlet: 1/4”
Max air pressure: 90 psi
Accessories:
1x 5/32” hex key
Oil bottle
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FUNCTIONAL DESCRIPTION
Major components of 1/2” Air Impact Wrench:
a) Anvil
b) Control Valve
c) Trigger
d) Air Regulator
e) Air Inlet
OPERATING PROCEDURES
SETUP AIR SOURCE
The 1/2” air impact wrench is designed to operate on clean, dry, compressed air, regulated at 90
PSI. The preferred system would include a filter, a pressure regulator and an automatic oiler lo-
cated as close to the tool as possible. Within 15 feet (4.5m) is ideal. Do not use bottled air or
gases. Please see below (Fig.2):
All compressed air contains moisture and other contaminants that can harm the
internal components of the tool. An air filter will remove most of these and signifi-
cantly extend the life of the tool. Ensure the in-line oiler has sufficient oil. If an in-
line oiler is not available, place 2 drops of oil into the tool’s air inlet at the begin-
ning of each workday. More than this will be expelled from the tool’s exhaust
during using (Fig.3).
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Air fitting: The 1/2” air impact wrench should be equipped with a 1/4” PD male quick connector
(not included). To prevent accidental cycling even though disconnected, the tool must always be
connected to the air supply in a ways that all air pressure within the tool is released when the cou-
pling is disconnected.
CAUTION:
All air pipe components (including hoses, pipe, connectors, filters, regulators etc.)
must e rated for a working pressure of 90 psi.
Disconnect the tool from the air supply efore performing maintenance, leaving the
work area, moving the tool to another location or handing it to another person.
PREPARING THE TOOL
Drain water from the air compressor tank and any condensation from air lines. (Please refer to the op -
eration manual of the air compressor)
Lubricate the tool. (Please refer to the maintenance section in this manual)
Select the necessary impact sockets. The sockets must match the size of the drive on the air im-
pact wrench.
Connect air impact wrench to the air source using the recommended hose size.
CAUTION:
Keep tool pointed away from yourself and any other person at all times.
Never use a tool that leaks air or needs repair.
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OPERATING THE TOOL
1) Remove plastic air inlet protective cap from air inlet as shown
in Fig.4.
2) Prepare a 1/4” male plug (not included) by applying sealant
tape to the threading, wrapping clockwise. Screw threaded
male air plug by hand into air inlet as shown in Fig.5 and
tighten it with a wrench (not included) for an airtight connec-
tion. Note: Do not overtighten! Sealant tape must e used
on this connection.
3) Push the control valve forward so that the end of the valve
protrudes out above the trigger for a clockwise (“forward”) tool
operation.
4) Push the control valve back so that the end of the valve pro-
trudes from the back of the housing for counterclockwise (“re-
verse”) tool operation.
5) Adjust the air flow by pushing down the air regulator and turn-
ing knob from positions 1 to 4 (Fig.2), aligning the desired
number setting with the recessed arrow.
Position 1 allows the lowest amount of air flow.
Position 4 allows the highest amount of air flow.
6) Push and snap the required 1/2” drive impact socket (not included) onto the anvil.
CAUTION:
Keep tool pointed in a safe direction at all times.
Only use impact rated accessories with this tool. Other accessories may shatter, chip
or crack during operation.
Clean and inspect the tool daily. Carefully check for proper operation of trigger and
safety mechanism. Do not use the tool unless oth the trigger and safety mechanism
are functional, if the tool is leaking air or needs any other repair.
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MAINTENANCE
REGULAR MAINTENANCE
Clean and inspect the tool daily. Make sure the tool is disconnected from the air supply.
Blow the tool clean with compressed air and inspect for wear and damage. Use non-flammable
cleaning solutions to wipe the exterior of the tool, only if necessary. DO OT SOAK the tool with
cleaning solutions. Such solutions can damage internal parts.
Inspect the trigger and the safety mechanism to ensure the system is complete and functional.
Check for loose or missing parts as well as parts that may be stuck.
Keep all screws tight. Loose screws may cause personal injury.
Place two or three drops of pneumatic oil (included) into the air inlet of the tool daily.
BEFORE EACH USE inspect the general condition of the tool. Check for:
oLoose hardware or housing
oMisalignment or binding of moving parts
oCracked or broken parts
oAny other condition that may affect its safe condition
Daily – Air supply Maintenance: Every day, maintain the air supply
according to the component manufacturers’ instructions. Maintain the
lubricator’s oil level. Drain the moisture filter regularly. Performing rou-
tine air supply maintenance will allow the tool to operate more safely
and will also reduce wear on the tool.
Weekly – Lu rication: Add a high quality machine oil to the oil inlet by
removing the oil screw (Fig.7)
Quarterly (every 3 months) tool disassem ly, cleaning and inspection: Have the internal
mechanism cleaned, inspected and lubricated by a qualified technician.
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TROUBLE SHOOTING
Pro lem Possi le Causes Solutions
Decreased output. 1) ot enough air pres-
sure and/or air flow.
2) Obstructed trigger.
3) Incorrect lubrication or
not enough lubrication.
4) Blocked air inlet screen
(if equipped).
5) Air leaking from loose
housing.
6) Mechanism contami-
nated.
1) Check for loose connections and make sure that air supply is pro-
viding enough air flow at required pressure to the tool’s air inlet.
Do not exceed maximum air pressure.
2) Clean around trigger to ensure free movement.
3) Lubricate using air tool oil according to prior instructions.
4) Clean air inlet screen of buildup.
5) Make sure housing is properly assembled and tight.
6) Let a qualified technician clean and lubricate the mechanism. In-
stall in-line filter in air supply as stated in “Setup Air Supply”
Severe air leakage.
(Slight air leakage is
normal, especially
on older tools.)
1) Cross-threaded hous-
ing components.
2) Loose housing.
3) Damaged valve or
housing.
4) Dirty, worn or damaged
valve.
1) Check for incorrect alignment and uneven gaps. If cross-threaded,
disassemble and replace damaged parts before using the tool.
2) Tighten the housing assembly. If housing cannot be tightened
properly, internal party might be misaligned. A technician needs to
disassemble the tool, align parts and reassemble.
3) Replace damaged components.
4) Clean or replace valve assembly.
Housing heats dur-
ing use.
1) Incorrect lubrication or
not enough lubrication.
2) Worn parts.
1) Lubricate using air tool oil according to prior instructions.
2) Let a qualified technician inspect the internal mechanism and re-
place parts as needed.
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EXPLODED DRAWING
Warning! Repairs must only be made by an authorized service partner or the manufacturer. Do not
open or disassemble the power tool.
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PARTS LIST
No
.
Description No
.
Description
1 Protecting Rubber 23 Washer
2 Housing 24 Screw
3 Screw 25 Rubber
4 Anvil Bushing 26 Screw
5 Anvil Collar and Seal 27 Exhaust Deflector
6 “O” Ring 28 Screw
7 Anvil (1/2” SQ) 29 Spring
8 Hammer Pin 30 Pin
9 Hammer Dog 31 Trigger
10 Hammer Cage 32 Pin
11 Drive Cam 33 Screw
12 Ball Bearing 34 Spring
13 Front End Plate 35 “O” Ring
14 Rotor Blade 36 Air Regulator
15 Rotor 37 Valve Stem
16 Pin 38 Steel Ball
17 Cylinder 39 Spring
18 Pin Cylinder 40 Hose Adapter
19 Rear End Plate 41 Valve Sleeve
20 Ball Bearing 42 Reverse Valve
21 Rear Gasket 43 Bushing
22 Rear Cover
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Disposal regulations
EU guidelines regarding the disposal of scrap electric appliances (WEEE, 2012/19/EU) were
implemented in the law related to electrical and electronic equipment and appliances.
All WilTec electric devices that fall under the WEEE regulations are labelled with the crossed-out
wheeled waste bin logo. This logo indicates that this electric equipment must not be disposed with the
domestic waste.
The company WilTec Technik GmbH has been registrated in the German registry EAR under the
WEEE-registration number DE45283704.
Disposal of used electrical and electronic appliances
(intended for use in the countries of the European
Union and other European countries with a separate
collection system for these appliances).
The logo on the article or on its packaging points out
that this article must not be treated as normal
household waste but must be disposed to a recycling
collection point for electronic and electrical waste
equipment. By contributing to the correct disposal of
this article you protect the environment and the health
of your fellow men. Environment and health are
threatened by inappropriate disposal.
Materials’ recycling helps reduce the consumption of raw materials.
Additional information on recycling this article can be provided by your local community, municipal
waste disposal facilities or the store where you purchased the article.
Address:
WilTec Wildanger Technik GmbH
Königsbenden 12 / 28
D-52249 Eschweiler
Important notice:
The reprint or reproduction, even of excerpts, and any commercial use, even in part of this instructions
manual require the written permission of WilTec Wildanger Technik GmbH.
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