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INSTRUCTION MANUAL
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 3/4 oz. (22 ml) of CP Pneu-Lube Synthetic Clutch
Grease 8940158455. (Model B & L only)
3. Use 3/4 oz. (22 ml) of SAE#30 oil or equivalent.
(Model A only)
Operation
This impact wrench is equipped with a single control
dial for power management. The left side of the dial
offers two reverse speeds. The first left position is
normal reverse. The far left position is Turbo reverse.
The right hand side of the dial offers two forward
speeds. The first position is forward. The far right
position is forward at reduced 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 8940158371 (Model A, B & L)
(Incl: 4, 5, 10, 17, 21, 27, 32, 33, 36, 37, 39, 40, 46,
47, 51 & 53)
Repair Kit 8940158372 (CP7750 Model A, B & L)
(Incl: 6, 8, 9, 10, 17, 21, 27, 32, 33, 36, 37, 39, 40, 46,
47, 50, 51 & 53)
Repair Kit 8940158373 (CP7750-2 Model A, B & L)
(Incl: 6, 8, 9, 10, 17, 21, 27, 32, 33, 36, 37, 39, 40, 46,
47, 50, 51 & 53)
8940158964 Conversion Kit (Model A to B & L)
(Incl: 32, 52, Labels and Document)
Copyright 2008, Chicago Pneumatic Tool Co. 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")
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 CP7750 Series Impact Wrench
Machine Type Assembly Power Tool for Threaded
Fasteners - No other use is permitted.
Serial No. Tools with No. 03210B or higher
(Manufactured May 2003 or later)
Technical Data
1/2" Sq. Dr.
Air pressure 90 psi (6.2 bar)
Harmonized Standards Applied EN ISO 12100
National Standards Applied ISO 8662-7, ISO 15744-
2002
Name And Position Of Issuer Bruno Blanchet, General
Manager
Signature Of Issuer
Date Of Issue July 1, 2008
Noise & Vibration Declaration*
Sound pressure level 94 dB(A) impacting, 100 dB(A) free
speed, uncertainty 3 dB(A), in accordance with ISO
15744-2002. For sound power, add 11 dB(A).
Vibration value 4.4 m/s , re. ISO 8662-7.
For making estimates of daily vibration exposures, useful
information may be found in CEN/TR 15350: 2006,
"Mechanical vibration - Guideline for the assessment of
exposure to hand-transmitted vibration using available
information including that provided by manufacturers of
machinery"
* 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.
CP7750 Series
Impact Wrench
2
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