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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. Check clutch grease once each month. Use 3/4 oz.
(22 ml) of good grade bearing grease.
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, push reverse valve toward back cover
forward arrow position. To operate in reverse, push
valve toward reverse arrow position on back cover. In
reassembly, make sure Liner side stamped Q is
facing the Clutch Housing (Index No. 113)
2. This impact wrench is equipped with a regulator to
enable adjustment of output power. Turn the regulator
knob counter-clockwise for maximum power,
clockwise to reduce power.
Maintenance
1. 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 8940158860
(Incl: 11, 27, 38, 39, 41, 43, 62, 106, 107)
Repair Kit (CP7733-A) 8940158861
(Incl: 11, 27, 38, 39, 41, 43, 62, 97, 99, 105)
Repair Kit (CP7733-2A) 8940158862
(Incl: 11, 27, 38, 39, 41, 43, 62, 97, 99, 105A)
Copyright 2003, Chicago Pneumatic Tool Company
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 Company, 1800 Overview
Drive, Rock Hill, SC 29730 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 CP7733 Series Impact Wrench
Machine Type Assembly Power Tool for Threaded
Fasteners - No other use is permitted.
Serial No. Tools with No. 03300A or higher
Technical Data
1/2" Sq. Dr.
Air pressure 90 psi (6.2 bar)
Air Consumption 19 cfm
Harmonized Standards Applied EN292
National Standards Applied ISO 8662-7, ISO 15744-
2002
Name And Position Of Issuer Yves Antier, General
Manager, Chicago Pneumatic Tool Company
Signature Of Issuer
Place And Date Of Issue Rock Hill, SC 29730 USA,
October 19, 2003
Noise & Vibration Declaration*
Sound pressure level 91 dB(A) impacting, 96 dB(A) free
speed, in accordance with ISO 15744-2002. For sound
power, add 11 dB(A).
Vibration value 4.0 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.
CP7733 Series
Impact Wrench
2