Chicago Pneumatic CP870 User manual

To reduce risk of injury, everyone using, installing,
repairing, maintaining, changing accessories on, or
working near this tool must read and understand
these instructions before performing any such task.
The goal of Chicago Pneumatic is to produce tools that help you work safely and
efficiently. The most important safety device for this or any tool is YOU. Your
care and good judgment are the best protection against injury. All possible
hazards cannot be covered here, but we have tried to highlight some of the
important ones.
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
on page 12.
3. Do not install a quick coupler directly into the sander throttle handle.
Lubrication
Use an air line lubricator with SAE #10 oil, adjusted to two drops per minute. If
an air line lubricator cannot be used, add air motor oil to the inlet once a day.
Noise & Vibration Declaration*
2
Vibration value 5.7 m/s , re. ISO 8662-1.
Maintenance
1. Disassemble and inspect air motor and orbital assembly every three 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 kit, detailed on page 12,
is recommended: CA144954 Tune-Up Kit
*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.
Sound pressure level 92.5 dB(A) in accordance with Pneurop 8N-1. For sound
power, add 10 dB(A).
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 1989 on the approximation of the laws of the Member
States relating to machinery (89/392/EEC).
Machine Name CP870 Dual-Action Sander
Machine Type Power tool equipped with flexible disc fitted with abrasive paper for sanding - No
other use is permitted.
Serial No. Tools with No. 94001A or higher
Technical Data
Pad diameter 6 in.
Free speed 10,000 RPM
Air pressure 90 psi (6.2 bar)
Air consumption 4 cfm
Spindle size 5/16 in.- 24
Harmonized Standards Applied EN292
National Standards Applied ISO 8662-1, Pneurop 8N-1
Name and Position of Issuer W. A. LeNeveu, President, Chicago Pneumatic Tool Company
CP870
Dual-Action Sander
Model "A"
Signature of Issuer
adapters absorb impact power and could break. Use deep sockets wherever
possible.
!Never operate the tool off of the work. It may run too fast and cause the accessory
to be thrown off the tool.
!Serious injury can result from over-torqued or under-torqued fasteners, which
can break, or loosen and separate. Released assemblies can become
projectiles. Assemblies requiring a specific torque must be checked using a
torque meter.
Note: So-called "click" torque wrenches do not check for potentially dangerous
over-torque conditions. Workplace Hazards
!Slip/Trip/Fall is a major cause of serious injury or death. Beware of excess hose
left on the walking or work surface.
!High sound levels can cause permanent hearing loss. Use hearing protection as
recommended by your employer or OSHA regulation (see 29 CFR part 1910).
!Maintain a balanced body position and secure footing.
!Be in control of the throttle at all times. Do not get caught between the tool and the
work.
!Repetitive work motions, awkward positions and exposure to vibration can be
harmful to hands and arms. If numbness, tingling, pain or whitening of the skin
occurs, stop using the tool and consult a physician.
!Avoid inhaling dust or handling debris from the work process which can be
harmful to your health. Use dust extraction and wear respiratory protective
equipment when working with materials which produce airborne particles.
!Proceed with care in unfamiliar surroundings. Be aware of potential hazards
created by your work activity. This tool is not insulated for coming into contact with
electric power sources.
!Some dust created by power sanding, sawing, grinding, drilling and other
construction activities contains chemicals known to the State of California to
cause cancer and birth defects or other reproductive harm. Some examples of
these chemicals are:
!- Lead from lead based paints
!- Crystalline silica bricks and cement and other masonry products
!- And Arsenic and chromium from chemically-treated rubber
!Your risk from these exposures varies, depending on how often you do this type
of work. To reduce your exposure to these chemicals: work in a well ventilated
area, and work with approved safety equipment, such as dust masks that are
specially designed to filter out microscopic particles.
Additional Safety Topics
!This tool and its accessories must not be modified.
!This tool is not recommended for use in explosive atmospheres.
!Operators and maintenance personnel must be physically able to handle the bulk,
weight and power of the tool.
!For professional use only.
For Additional Safety Information Consult:
!Your employer union and/or trade association.
!US Department of Labor (OSHA); Council of the European Communities
europe.osha.eu.int.
!“Safety Code For Portable Air Tools” (B186.1).
!“Safety Requirement For Hand-Held Non-Electric Power Tools” available from:
European Committee for Standardization.
Air Supply And Connection Hazards
!Air under pressure can cause severe injury.
!Always shut off air supply, drain hose of air pressure and disconnect tool from air
supply when not in use, before changing accessories or when making repairs.
!Never direct air at yourself or anyone else.
!Whipping hoses can cause serious injury. Always check for damaged or loose
hoses and fittings.
!Do not use quick disconnect couplings at tool. See instructions for correct set-up.
!Whenever universal twist couplings are used, lock pins must be installed.
!Do not exceed maximum air pressure of 90 psi (6.2 bar) or as stated on tool
nameplate.
Entanglement Hazards
!Keep away from rotating drive.
!Do not wear jewelry or loose clothing.
!Choking can occur if neckwear is not kept away from tool and accessories.
!Scalping can occur if hair is not kept away from tool and accessories.
!Avoid direct contact with accessories during and after use. Gloves will reduce the
risk of cuts or burns.
!Use only proper accessory retainers (see parts list). Use deep sockets wherever
possible.
Projectile Hazards
!Always wear impact-resistant eye and face protection when involved with or near
the operation, repair or maintenance of the tool or changing accessories on the
tool.
!Be sure all others in the area are wearing impact-resistant eye and face
protection.
!Even small projectiles can injure eyes and cause blindness.
!Use only impact wrench sockets and accessories in good condition. Sockets in
poor condition or hand sockets used with impact wrenches can shatter.
!Always use the simplest hook-up possible. Long, springy extension bars and

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Air Supply Diagram 1/2" (12mm)
CA048361 (1/2")
CA048362 (1/2")
NPT
1/4"NPT
NPT NPT
CA048360 (1/2")
1/2" (12mm)
3/8" (10mm)
130
90
0
CP870
Dual-Action Sander
Index
No. Part No. Description No.
Req'd.
Pad-Sanding 6 in.
Screw-Cap
Washer
Counterweight
Plate-Drive
Washer-Spring
Ring-Retaining
Washer-Spring
Spindle Assembly (Incl: Index Nos.
8,10,14, & 15)
Bearing-Ball
Hub-Orbital (Incl: Index No. 13)
Screw-Socket Head Cap
Screw-Set
Washer-Spring
Screw-Spindle
Housing-Motor (Incl: Index No. 46)
Plate-Front End
Shaft-Rotor
Bearing-Ball
Shim-Rotor
Rotor (Incl: Index No. 22)
Screw-Set
Blade Set-Rotor
Bearing-Ball
Seal-Bearing
Liner
Dowel-Liner
Plate-Rear End
Plate-Exhaust Diffuser
Washer-Spring
Screw-Diffuser Plate Mounting
Plug-Throttle Valve
Spring-Throttle
O-Ring
Ring-Retaining
Washer-Flat
Washer-Rubber
Screw
O-Ring
Valve-Regulator ( Incl: 2 of Item 39)
Stem-Throttle Valve
Bushing-Throttle Valve
Foam-Muffler (Incl: Index No. 48)
Foam-Muffler
Cover-Motor Housing
Screw
Bracket-Throttle Lever
Lever-Throttle
Pin-Throttle Lever
Nut
Spring-Lever Return
Nut-Locking
Grip-Handle
Handle
CA145098
CA145099
CA145100
CA145101
CA145102
CA145103
CA145104
CA145105
CA145106
CA145107
CA145108
CA145109
CA145110
CA145111
CA145112
CA145113
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CA145115
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CA145117
CA145118
CA145119
CA145120
CA145121
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CA145128
CA145129
CA145130
CA145131
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CA145133
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CA145136
CA145137
CA145142
CA145143
CA145144
CA145145
CA145146
CA145147
CA145148
CA145149
CA145150
CA145151
CA145152
CA145153
CA145154
CA145155
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Tune-Up Kit
CA144954 (Incl: Index Nos. 19, 20, 23, 24, 25, 33, 34, 39, 41 & 47)
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