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INSTRUCTION MANUAL
This product is designed for installing and removing
threaded fasteners in wood, metal and plastic. No other use
permitted. For professional use only.
Air Supply Requirements
1. Supply tool with 90 psig (6.2 bar) of clean, dry air. Higher
pressure drastically reduces tool life.
2. Connect tool to air line using pipe, hose, and fitting sizes
shown in the diagram.
3/8" (10mm)
3/8" (10mm)
Lubrication
1. Use an air line lubricator with SAE #10 oil, adjusted to
two (2) drops per minute. If an air line lubricator cannot
be used, add air motor oil to the inlet once a day.
2. Use 2 oz. (52 ml) of CP Pneu-Lube Synthetic Clutch
Grease 8940158455.
Operation
1. The intended use of this impact wrench is with impact
rated sockets operating upon threaded fasteners. To
operate, pull trigger on handle. To operate in forward
rotation, turn reverse valve toward forward arrow position.
To operate in reverse, turn valve toward reverse arrow
position.
2. This impact wrench is equipped with a regulator to
enable adjustment of output power. Turn the regulator
lever to # 3 for maximum power, to # 1 for minimum
power.
Maintenance
1. After first year, disassemble and inspect air motor and
impacting clutch every three (3) months if the tool is used
every day. Replace damaged or worn parts.
2. High wear parts are underlined in the parts list.
3. To keep downtime to a minimum, the following service
kits are recommended:
Tune-Up Kit for RP8250/8252/8253
2050521413 (Incl: 3, 5, 6, 15, 23, 26, 31, 34, 36, 37, 44, 48)
Repair Kit for RP8250
2050526333 (Incl: 3, 7B, 8, 9, 15, 23, 26, 31,34, 36, 37, 44, 48)
Repair Kit for RP8252
2050521423 (Incl: 3, 5, 6, 7, 8, 9, 15, 23, 26, 31, 36, 37, 44, 48)
Repair Kit for RP8253
2050526453 (Incl: 3, 5, 6, 7A, 8, 9, 15, 23, 26, 31, 34, 36, 37, 44, 48)
Copyright 2008, Chicago Pneumatic Tool Company, LLC
All rights reserved. Any unauthorized use or copying of the contents or part thereof is prohibited. This applies in particular to trademarks,
model denominations, part numbers and drawings. Use only authorized parts. Any damage or malfunction caused by the use of
unauthorized parts is not covered by Warranty or Product Liability.
1/2" (12mm)
CA048362 (1/2")
3/8" (10mm)
3/8" (10mm)
3/8" (10mm)
CA048360 (1/2")
CA048361 (1/2")
RP8250/8252/8253
EC DECLARATION OF CONFORMITY
We, Chicago Pneumatic Tool Co. LLC, 13325
Carowinds Blvd., Charlotte, NC 28273 USA, declare
under our sole responsibility that the product to which
this declaration relates, is in conformity with the
requirements of the Council Directive of June 1998 on
the approximation of the laws of the Member States
relating to machinery (98/37/EC).
Machine Name RP8250/8252/8253 Impact Wrench
Machine Type Assembly Power Tool for Threaded
Fasteners - No other use is permitted.
Serial No. Tools with No. C-00501-2007 or higher
Technical Data
1/2" (12mm) Sq. Dr. Std. & 2"Extended Drive
Air pressure 90 psi (6.2 bar)
Air Consumption 13.6 l/s (29 cfm)
Harmonized Standards Applied EN792-6
National Standards Applied ISO 8662-7, ISO 15744-
2002
Name And Position Of Issuer Bruno Blanchet,
General Manager
Signature Of Issuer
Date Of Issue March 15, 2008
Noise & Vibration Declaration*
Sound pressure level 94 dB(A) in accordance with
ISO 15744-2002. For sound power, add 11 dB(A).
Vibration value 7.9 m/s , re. ISO 8662-7.
* These declared values were obtained by laboratory
type testing in compliance with the stated standards
and are not adequate for use in risk assessments.
Values measured in individual work places may be
higher than the declared values. The actual exposure
values and risk of harm experienced by an individual
user are unique and depend upon the way the user
works, the workpiece and the workstation design, as
well as upon the exposure time and the physical
condition of the user. We, Chicago Pneumatic,
cannot be held liable for the consequences of using
the declared values, instead of values reflecting the
actual exposure, in an individual risk assessment in a
work place situation over which we have no control.
Impact Wrench
2
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