Central Pneumatic 95098 Manuale utente

1/2” Twin Hammer Composite

Air Impact Wrench

ASSEMBLY AND OPERATING INSTRUCTIONS

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our Web site at http://www.harborfreight.com

manual or any artwork contained herein may be reproduced in any shape or form

without the express written consent of Harbor Freight Tools.

For technical questions and replacement parts, please call 1-800-444-3353

Manual Revised 11h

95098

Due to continuing improvements, actual product may differ slightly from the product described herein.

SKU 95098 Page 2

Specications

Drive Size: 1/2” Square Torque range 100-300 ft / lbs.

Anvil Retainer: Hog Ring Air Inlet Size: 1/4” - 18 NPT

Blows per minute: 900 Air Usage 8 CFM average

Recommended Hose Size: 1/2” i.d. Tool Weight: 4.35 lbs.

Regulator Settings: 3 forward (CW)

1 reverse (CCW)

Recommended Air

Pressure: 90 PSI Max.

Save This Manual

You will need the manual for the safety warnings and precautions, assembly in-

structions, operating and maintenance procedures, parts list and diagram. Keep

your invoice with this manual. Write the invoice number on the inside of the front

cover. Keep the manual and invoice in a safe and dry place for future reference.

Safety Warnings and Precautions

WARNING: When using tool, basic safety precautions should always be fol-

lowed to reduce the risk of personal injury and damage to equipment.

Read all instructions before using this tool!

1. Keep work area clean. Cluttered areas invite injuries.

2. Observe work area conditions. Do not use machines or power tools in

damp or wet locations. Don’t expose to rain. Keep work area well lit. Do

not use electrically powered tools in the presence of ammable gases or

liquids.

3. Keep children away. Children must never be allowed in the work area. Do

not let them handle machines, tools, or extension cords.

4. Store idle equipment. When not in use, tools must be stored in a dry

location to inhibit rust. Always lock up tools and keep out of reach of

children.

5. Use the right tool for the job. Do not attempt to force a small tool or

attachment to do the work of a larger industrial tool. There are certain

applications for which this tool was designed. It will do the job better

and more safely at the rate for which it was intended. Do not modify this

tool and do not use this tool for a purpose for which it was not intended.

6. Dress properly while working. Do not wear loose clothing or jewelry as

they can be caught in moving parts. Protective, electrically non-conductive

clothes and non-skid footwear are recommended when working. Wear

restrictive hair covering to contain long hair.

7. Use eye and ear protection. Always wear ANSI-approved impact safety

REV 12/06

SKU 95098 Page 3

goggles. Wear a full face shield if you are producing metal lings or wood

chips. Wear an ANSI approved dust mask or respirator when working around

metal, wood, and chemical dusts and mists.

8. Do not overreach. Keep proper footing and balance at all times. Do not

reach over or across running machines.

9. Maintain tools with care. Keep tools clean and in good condition for better

and safer performance. Follow instructions for lubricating and changing

accessories. Inspect tool ttings and hoses periodically and, if damaged,

have them repaired by an authorized technician. The handles must be kept

clean, dry, and free from oil and grease at all times.

10. Disconnect power. Disconnect from air pressure source when not in use.

11. Remove adjusting keys and wrenches. Check that keys and adjusting

wrenches are removed from the tool or machine work surface before

connecting it.

12. Avoid unintentional starting. Be sure the switch is in the Off position when

not in use and before attaching to pressure source. Do not carry any tool

with your nger on the trigger, whether it is attached or not.

13. Stay alert. Watch what you are doing, use common sense. Do not operate

any tool when you are tired.

14. Check for damaged parts. Before using any tool, any part that appears

damaged should be carefully checked to determine that it will operate

properly and perform its intended function. Check for alignment and binding

of moving parts; any broken parts or mounting xtures; and any other

condition that may affect proper operation. Any part that is damaged should

be properly repaired or replaced by a qualied technician. Do not use the

tool if any switch does not turn On and Off properly.

15. Guard against electric shock when working on electrical equipment.

Prevent body contact with grounded surfaces such as pipes, radiators,

ranges, and refrigerator enclosures.

16. Use only Impact Sockets and extension with this tool. Standard

sockets will not withstand the force applied by this tool, and may break

possibly causing severe damage to the tool, the operator, bystanders

and other property.

17. Replacement parts and accessories. When servicing, use only identical

replacement parts. Use of any other parts will void the warranty. Only use

accessories intended for use with this tool. Approved accessories are

available from Harbor Freight Tools.

REV 12/06

SKU 95098 Page 4

18. Do not operate tool if under the inuence of alcohol or drugs. Read

warning labels on prescriptions to determine if your judgment or reexes are

impaired while taking drugs. If there is any doubt, do not operate the tool.

19. Use proper size and type air pressure line and ttings. The

recommended air line for this tool is 1/2” delivering no more than 90 PSI.

Recommended air inlet size is 1/4” - 18 NPT.

20. Maintenance. For your safety, service and maintenance should be

performed regularly by a qualied technician.

21. You should maintain a proper regulator and moisture trap in your air

line at all times.

22. Compressed air only. Only use clean, dry and regulated compressed air at

no more than 90 PSI to power this tool. Never use oxygen, carbon dioxide or

any other bottled gas as a power source for this tool.

Note: Performance of this tool may vary depending on variations in local air

pressure.

Warning: The warnings, cautions, and instructions discussed in this instruction

manual cannot cover all possible conditions and situations that may occur. It

must be understood by the operator that common sense and caution are factors

which cannot be built into this product, but must be supplied by the operator.

Air Impact

Wrench

If you are not using an in-line oiler, you should inject a few drops of pneumatic

oil into the air inlet of the tool after every hour of continuous use. Hold the

tool so the inlet is facing up, squeeze the trigger and place 1 or 2 drops of oil

in the inlet. Squeezing the trigger allows the oil to circulate in the mechanism.

Unpacking

When unpacking, check to make sure the following parts are included.

(1) 1/2” Twin Hammer Composite Air Impact Wrench

If any parts are missing or broken, please call Harbor Freight Tools at the number

on the cover of this manual.

REV 12/06

SKU 95098 Page 5

2. Connect the air compressor hose to the Air Connector. Turn on the air

compressor and set the air pressure regulator at 90 PSI.

WARNING: Do not exceed the recommended pressure of 90 PSI. Damage to

your tool, and possible personal injury may result.

3. Check the air line and its connections for air leaks. Make note of these, and

repair them before using this tool.

NOTE: Turn off your air compressor and disconnect the air pressure hose before

changing sockets or making any adjustments to this tool. Severe injury or property

damage may otherwise result.

WARNING: This tool generates considerable torque when in use. Always hold the

tool with both hands when using, and brace yourself to resist the torque which will

be delivered to the work piece.

4. Select the appropriate size 1/2” square drive socket (not included) for your

needs. Push and snap the socket onto the Anvil (6).

5. Set the direction of the Air Impact Wrench to “FORWARD” or “REVERSE”.

By rotating the Reverse Knob (45) to the right, you are setting the tool to

operate FORWARD. There are three forward torque positions: low, medium

and high (1,2 and 3). By rotating the Reverse Knob (45) all the way to the

left you are choosing the REVERSE position. The reverse position is always

high torque. The middle notch in the center (between forward and reverse)

is the NEUTRAL. Please see photos on page 6.

NOTE: In this booklet, “FORWARD” refers to clockwise rotation, and “REVERSE”

refers to counterclockwise rotation. Always be aware of the direction of the

threading of the fastener you are working on. While most fasteners install with

clockwise rotation, some threads are intentionally the reverse.

NOTE: The actual torque delivered at each of the three FORWARD settings will

depend on the air pressure supplied to the tool. We suggest that you test the ac-

tual torque by tightening a nut or bolt at each setting, then observing the resultant

torque by using a mechanical torque wrench (not supplied).

6. If installing a nut or bolt, set it as tight as possible by hand.

7. Place an Impact Socket (not included) over the fastener.

Operation

1. Install a standard 1/4” Air Connector (not included) to the Air Inlet (31). First

wrap the threaded portion of the 1/4” air connector with pipe thread seal tape

before threading it into the Air Inlet (31). Tighten securely.

REV 12/06

SKU 95098 Page 6

8. Grip the Air Impact Wrench tightly with both hands, and squeeze the trigger

(20). The tool will operate and tighten the fastener.

9. When the fastener is tightened, release the Trigger (20), and remove the tool

from the fastener.

10. If possible, check the actual torque applied to the fastener with a mechanical

torque wrench (not supplied).

11. If removing a fastener, rotate the Reverse Knob (45) counterclockwise,

assuming that the fastener is a standard right-hand thread. Always check to

be sure of the thread direction of any fastener before attempting to install or

remove it. If the fastener is a left-hand thread, turn the Reverse Knob (45) to

the right for removal.

12. Place an appropriate Impact Socket (not included) over the fastener. Holding

the Air Impact Wrench with both hands, squeeze the trigger (20). The

fastener should come off.

WARNING: If the fastener will not come off, rst check to be sure of the direc-

tion of the thread. If you have the thread direction correct and the fastener will

not come off, DO NOT INCREASE THE AIR PRESSURE to the tool beyond 90

PSI. This may damage the tool. You may have to use penetrating oil, heat, or

a mechanical wrench to remove the fastener.

13. When you are done using this tool, turn off the air compressor, and

disconnect the air hose. Put the Air Impact Wrench away in its proper

storage place.

Maintenance

1. Your Air Impact Wrench should be kept clean, dry and lightly oiled. When not

in use, store your tool in its original box in a suitable place where it will not

be exposed to water, corrosive materials, or undue banging around.

2. Make sure this tool is disconnected from its power source before attempting

any maintenance.

3. If your tool loses power, or you notice air leaks, take it to a certied

technician for service.

In the forward

position

In the reverse

position

REV 12/06

SKU 95098 Page 7

Parts List

NOTE: Some parts are listed and shown for illustration purposes only and are not available

individually as replacement parts.

PLEASE READ THE FOLLOWING CAREFULLY

THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM

IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR

DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE

BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT

OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN

FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL

REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND

LICENSED TECHNICIANS AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK

AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT

OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION

OF REPLACEMENT PARTS THERETO.

Trigger

SKU 95098 Page 8

Assembly Drawing

SKU 95098 Page 9

90 Day Warranty

Harbor Freight Tools Co. makes every effort to assure that its products meet

high quality and durability standards, and warrants to the original purchaser that

this product is free from defects in materials and workmanship for the period

of 90 days from the date of purchase. This warranty does not apply to damage

due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or

alterations outside our facilities, criminal activity, improper installation, normal

wear and tear, or to lack of maintenance. We shall in no event be liable for

death, injuries to persons or property, or for incidental, contingent, special or

consequential damages arising from the use of our product. Some states do

not allow the exclusion or limitation of incidental or consequential damages, so

the above limitation of exclusion may not apply to you. THIS WARRANTY IS

EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,

INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.

To take advantage of this warranty, the product or part must be returned to us

with transportation charges prepaid. Proof of purchase date and an explanation

of the complaint must accompany the merchandise. If our inspection veries the

defect, we will either repair or replace the product at our election or we may elect

to refund the purchase price if we cannot readily and quickly provide you with a

replacement. We will return repaired products at our expense, but if we determine

there is no defect, or that the defect resulted from causes not within the scope of

our warranty, then you must bear the cost of returning the product.

This warranty gives you specic legal rights and you may also have other rights

which vary from state to state.

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