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4. INTRODUCTION
4.1 SCOPE
This hand-held cordless impact wrench is intended to tighten and loosen mechanical fixings (nuts,
bolts, etc).
There is no mechanism for adjusting or regulating the output torque. All fixings should be finished
using a torque wrench.
This power product is supplied “naked”; without battery pack or charger. Draper 20V Power
Interchange tools all use universal 2.0 and 4.0Ah batteries and chargers, enabling each battery pack
to fit all tools within the range (see the table on page 11 for the batteries and chargers available).
4.2 SPECIFICATION
Stock No................................................................................................................................... 89519
Part No. .............................................................................................................................. CIW20SF
Battery packs (sold separately):
Stock No. .................................................... 89437.............................................................. 89433
Part No..................................................... B202LISF....................................................... B20LISF
Type ............................................................ Li-ion ............................................................... Li-ion
Rated Voltage ..............................................20V ...................................................................20V
Rating ......................................................... 2.0Ah ..............................................................4.0Ah
Chargers (sold separately):
Stock No. .................................................... 89425.............................................................. 23793
Part No......................................................... CB20 .......................................................... CB203.5
Rated Voltage ............................................ 230V~ .............................................................230V~
Rated Frequency ........................................ 50Hz ................................................................50Hz
Rated D.C. output voltage ...........................21.5V...............................................................21.5V
Rated D.C. output current ............................ 2.4A ................................................................. .3.5A
Protective device rated current ...................... 8A ...................................................................... 8A
Construction ..............................................Class II .......................................................... Class II
Revolutions Per Minute (no load) .................................................................................. 0 - 2800r/min
Anvil ..............................................................................................................................................1/2"
Clutch ........................................................................................................................... Twin hammer
Maximum Torque (±10%) ..................................................................250Nm
/
2549kgf-cm
/
185lbs-ft
Impact Rate ....................................................................................................................0 - 3600bpm
Sound Pressure Level*.....................................................................................98.6dB(A), K=3 db(A)
Sound Power Level** .....................................................................................109.6dB(A), K=3 db(A)
Vibration Level...................................................................................................12.5m/s
2
, K=1.5 m/s
2
Weight (machine only)............................................................................................................. 1.32kg
4.3 HANDLING & STORAGE
– Care must be taken when handling this product.
● Dropping this power tool could have an effect on its accuracy and could also result in
personal injury. This product is not a toy and must be respected.
– Environmental conditions can have a detrimental effect on this product if neglected.
● Exposure to damp air can gradually corrode components.
● If the product is unprotected from dust and debris, components will become clogged.
● If not cleaned and maintained correctly or regularly, the machine will not perform at its best
.
* Continuous A-Weighted Sound Pressure Level at the workstation in accordance to prEN ISO 15744:1999
and declared according to EN ISO 4871.
** A-Weighted Sound Power Level in accordance to prEN ISO 15744:1999 and declared according to EN ISO 4871.
- 5 -- 16 -
9.6 OPERATION
Proper fastening torque is determined by the kind of fastening, the size of the fastening or the
material or workpiece.
– It is advisable to perform a test operation to determine the proper fastening time for the
fastening you are using.
– Hold the wrench in straight alignment to the fastening.
– Depress the wrench and use for the required amount of time.
– After fastening, always check the torque with an appropriate torque wrench.
Note: Do not use this tool to install wheel nuts on wheels without a torque limiting device. Doing
so could result in galled or broken nuts.
Note: Using a universal joint or extension bar may reduce the fastening force of the impact
wrench and require longer fastening time.
Note: Using an impact wrench creates heat. The metal housing at the front of the wrench will
become hot. In certain circumstances, the force required to tighten or remove fixings may cause
the fixings themselves to become very hot! Wear suitable gloves to prevent burns.
9. BASIC OPERATION
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