Ingersoll-Rand 7871-F-( ) manual Series Short Grinders, At the air inlet of the tool, Cedures

Page 1

OPERATOR’S

MANUAL

SECTION

M10

MANUAL

58

INCLUDING:OPERATION,INSTALLATION& MAINTENANCE

Released:

5/79

Tool Products

 

Revised:

3-10-95

“2200” SERIES SHORT GRINDERS

Form:

1558-2

 

 

Models: 7870-F-( ), 7871-F-( ),

 

 

7872-F

and 7873-F.

 

 

READ THIS MANUAL CAREFULLY BEFORE INSTALLING,

OPERATING OR SERVICING THIS EQUIPMENT.

FAILURE TO OBSERVE THE FOLLOWING WARNINGS COULD RESULT IN INJURY.

To aid the operator’s understanding of proper and safe use of grinders, the publications, “Use,Care and Protection of Abrasive Wheels”, A.N.S.I. B7.1, and “SafetyCode for Portable Air Tools”, A.N.S.I. 8188.1, can be purchased from:

American National Standards Institute, Inc.

1430 Broadway

New York, New York 10018

lOperate this tool at 90 p.s.i.g. (8.2 bar) maximum air pressure

at the air inlet of the tool.

lDisconnect air supply from tool before removing/installing wire brush or rotary file or performing other maintenance pro-

cedures.

lKeep hands, clothing and long hair away from rotating end of

tool.

lAnticipate and be alert for sudden changes in motion during start up and operation of any power tool.

lNever exceed rated r.p.m. of tool.

lWear suitable eye and hearing protection while operating tool. l Tool shaft can continue to rotate briefly after throttle is re-

leased.

l Do not lubricate tools with flammable or volatileliquids such as kerosene, diesel or jet fuel.

l Use tool only for purposes for which it was intended.

lDo not use excessive work pressure.

lDo not remove any labels. Replace any damaged label. l Use only accessories recommended by ARO.

Repeated prolonged operator exposure to vibrations which may be generated in the use of certain hand-held tools may produce Raynaud’s phenomenon, commonly referred to as Whitefinger disease. The phenomenon produces numbness and burning sensations in the hand and may cause circulation and nerve dam- age as well as tissue necrosis. Repetitive users of hand-held tools who experience vibrations should closely monitor duration of use and their physical condition.

lThe use of other than genuine ARO replacement parts may result in safety hazards, decreased tool perfomance and in-

creased maintenance and may invalidate all warranties.

lARO is not responsible for customer modification of tools for applications on which ARO was not consulted.

lTool maintenance and repair should be performed by autho- r&d. trained, competent personnel. Consult your nearest ARO authorized servicenter.

lIt is the responsibility of the employer to place the information in this manual into the hands of the operator.

For parts and service information, contact your local ARO distributor, or the Customer Service Dept. of the Ingersoll-Rand Distribution Center, White House, TN at PH: (815) 672-0321, FAX: (615) 672-0601.

ARO Tool Products

Ingersoll-Rand Company

1725 U.S. No. 1 North l PO. Box 8000 l Southern Pines, NC 26388-8000

©1985 THE ARO CORPORATlON PRINTED IN USA

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Contents At the air inlet of the tool Series Short GrindersCedures Operate at 90 p.s.i.g .2 bar/620 kPa maximum air pressure Failureto Observethe Followingwarningscould Resultin InjuryAIR Supply Requirements Routine Lubrication RequirementsRecommended Lubricants Model Identification Safety Guide for Portable Grinder USEOperation DON’TGrinding Wheel Mounting Instructions Mandrel Overhang DimensionMounting Instructions for Mounted Wheels Mounting Instructions for Type 1 Grinding WheelsMotor Section Disassembly and Assembly of ToolsHead Section Typical Cross Section of Tool Assembly DisassemblyMotor Section Head Section Head when assemblingRemove nut 36776 and valve components From headDisassemblyassembly 41753- 3-PIECE Collet Assembly AccessoriesErickson 3-PIECE Collet Assembly LOCK-OFF Lever AssemblyDimensional Data Trouble Shooting

7873-F, 7872-F, 7870-F-( ), 7871-F-( ) specifications

Ingersoll-Rand is recognized for its innovative and reliable products in the field of industrial equipment, particularly in the area of rotary compressors and pneumatic tools. Among their notable offerings are the 7871-F, 7870-F, 7872-F, and 7873-F impact wrenches, which are designed to meet the rigorous demands of various professionals.

The Ingersoll-Rand 7871-F-( ), 7870-F-( ), 7872-F, and 7873-F series are characterized by their lightweight design, combined with robust construction that ensures durability. This series of impact wrenches is specifically engineered for high performance and offers an excellent balance of torque and speed, making them suitable for a wide range of applications in automotive, construction, and industrial settings.

One of the main features of these wrenches is their powerful motor, which provides a high torque output, essential for demanding tasks such as lug nut removal and heavy-duty fastening. The tools are equipped with advanced impact mechanism technology, which enhances their efficiency and allows for an optimal power-to-weight ratio. Additionally, the user-friendly controls and ergonomically designed grips ensure maximum comfort during prolonged use.

The 7870-F and 7871-F-( ) models, in particular, boast an adjustable power regulator that allows users to select the optimal torque for different applications. This level of customization is crucial in allowing technicians to work with precision, thereby reducing the risk of damage to fasteners or workpieces. The 7872-F and 7873-F models, on the other hand, focus on features like a higher free speed and extended service intervals, making them ideal for professionals who need reliable tools without frequent maintenance.

All models in this series also showcase Ingersoll-Rand's commitment to technological advancement, incorporating features such as anti-vibration technology that minimizes user fatigue and contributes to better handling. Furthermore, their motors are designed to be energy-efficient, which aligns with modern environmental standards, making them an eco-friendly choice in the industry.

In summary, the Ingersoll-Rand 7871-F-( ), 7870-F-( ), 7872-F, and 7873-F impact wrenches epitomize reliability, performance, and innovation. With powerful motors, user-centric designs, and advanced features, these tools are not only built to last but also to enhance the efficiency of every job they’re used for. Whether for automotive repair or heavy machinery assembly, these impact wrenches stand out as top choices in the competitive market of pneumatic tools.
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