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CONNECTION TO COMPRESSED AIR SYSTEM

1. Fix connecting piece (coupler) to the end of flexible hose and

tighten with a key.

2. Connect quick coupler (not included) to the connection. It is a

useful item that allows to quickly connect a range of pneumatic
tools to a flexible hose.

3. Pneumatic impact wrench will be ready to use.

USE

Before each use, check the tool for any signs of damage. The tool
should  be  kept  clean.  Check  that  none  of  the  pneumatic  system
components  is  damaged.  If  any  damage  is  observed,  replace  it
immediately with new undamaged system components. Before each
use of the pneumatic system, dry the condensed moisture inside the
tool, compressor and pipes.
Before  installing,  removing,  replacing  accessories,  and  before
performing any maintenance, turn off the power source, drain the air
from the hose, and disconnect the device from the hose.
The  best  results  are  provided  by  frequent  but  not  excessive
lubrication of the device. Oil introduced into the place of compressed
air  connection  lubricates  the  internal  parts  of  the  device.  It  is
recommended  to  use  an  automatic  oiler  in  the  network,  although
oiling can also be done manually, before starting work and after each
hour of continuous operation. Only a few drops of oil are given at a
time. Excess oil could  accumulate in the device and be blown out
with  the  exhaust  air.  USE  ONLY  THE  OIL  INTENDED  FOR
PNEUMATIC EQUIPMENT.

Do not use oil with detergents or other

additives,  as  this  could  cause  accelerated  wear  of  the  sealing
elements used in the device. Dirt and water in the air being supplied
are the main reasons for the wear of the pneumatic device. The use
of an oiler and an air supply filter ensures better operation and longer
life of the pneumatic device. The filter capacity should be adapted to
the airflow demand specific to the device.
The device has an energy management system that allows the user
to adjust the output power. To adjust the output power of the device,
set the knob on the back cover to the desired position. Change the
direction of rotation by pressing the same button.
The power change system is only for reference, it is not possible to
set the exact power. The pneumatic impact wrench is not used for
measuring  torque.  If  the  connection  requires  a  suitable  torque,  it
should  be  measured  with  a  torque  wrench  after  tightening  with  a
pneumatic impact wrench.

CAUTION!

Real torque is directly dependent on joint hardness,

rotational speed, joint quality and time of the tool operation. The
connection between the tool and power supply should be as simple
as possible. Each connection absorbs energy and reduces torque.

LOOSENING

1. Install the right sized socket on the driving tip.
2. Set up compressor pressure regulator to 6.3 bar pressure. Do not

set the compressor outlet valve to pressure exceeding 6.3 bar.

3. Connect impact wrench to flexible hose that is connected to the

compressor. If you notice air leak, disconnect the flexible hose
and repair.

4. Put the socket over the nut to loosen.
5. Hold the impact wrench firmly. Make sure the direction of the

wrench operation is correct. Press the switch button to start the
impact wrench.

Caution:

Make sure the items to be loosened (nut or bolt) can

withstand the torque applied by the impact wrench.

6. When it is impossible to loosen the nut with the impact wrench,

DO NOT increase air pressure supplied by the compressor.

7. If adjustment valve of the impact wrench is set to low value, you

can adjust the valve to a higher value and try to loosen again. If
the valve is already set up to position for maximum power, do not
make repetitive attempts to undo the nut with the impact wrench.
Use another tool or method in such case.

8. Once the nut is loosened release switch button to stop impact

wrench operation and slide the socket off from the nut. In case
the nut is unscrewed completely, remove it from the socket.

TIGHTENING

1. Make sure that the nut or bolt to be tightened can withstand the

stress produced by the impact wrench.

2. Tighten the nut as much as you can with your hand.
3. Slide the socket over the nut. Make sure the direction of the

impact wrench operation is correct. Press the switch button to

start the wrench.

4. When the impact wrench stops while tightening, DO NOT

increase air pressure supplied by the compressor over 6.2 bar.

5. If adjustment valve of the impact wrench is set to low value, you

can adjust the valve to a higher value and try to tighten again. If
the valve is already set up to the position of maximum power, do
not make repetitive attempts to tighten the nut with the impact
wrench. Use another tool or method in such case.

6. Once the nut has been tighten, take the wrench with the socket

away from the nut. Avoid overloading the thread in joined pieces.

7. If possible, find out the required tightening torque for the nut.

Finish the nut tightening with a torque wrench.

MAINTENANCE

The most effective operation is possible when the air supply line is
equipped with an air oiler. When the wrench is supplied without oiler,
proceed with the following maintenance instructions.
Disconnect the impact wrench from the flexible hose. Introduce few
drops of oil for pneumatic tools into the wrench inlet before each use
of  the  tool  and  after  each  hour  of  continuous  operation.  Put  few
drops  of  oil  into  the  wrench  switch  button  mechanism.  Press  the
button few times to distribute oil on cooperating surfaces.

Do not use oil with detergent or other additives, this may cause
faster wearing of sealings in the wrench.

DISPOSAL

Do not dispose of metal products with household
wastes, they should be utilized in proper plants. Obtain
information on waste utilization from your seller or local
authorities. Used up electric and electronic equipment
contains substances active in natural environment.

Unrecycled equipment constitutes a potential risk for environment
and human health.

TECHNICAL PARAMETERS

Pneumatic Impact Wrench

14-500

14-502

Parameter

Value

Tool holder

1/2"

Spindle rotational speed with no load

7000 min

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