Central Pneumatic 95141 Manuel d'installation

3/4” HEAVY-DUTY

IMPACT WRENCH

95141

SET UP AND OPERATING INSTRUCTIONS

Distributed exclusively by Harbor Freight Tools®.

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our website at: http://www.harborfreight.com

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

contained herein may be reproduced in any shape or form without the express written consent of

Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing

improvements, actual product may differ slightly from the product described herein. Tools required for

assembly and service may not be included.

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

Manual revised 11h

SKU 95141 For technical questions, please call 1-800-444-3353. Page 2

SAVE THIS MANUAL

Keep this manual for the safety warn-

ings and precautions, assembly, operat-

ing, inspection, maintenance and cleaning

procedures. Write the product’s serial

number in the back of the manual near the

assembly diagram (or month and year of

purchase if product has no number). Keep

this manual and the receipt in a safe and

dry place for future reference.

Safety Alert Symbol and Signal

Words

In this manual, on the labeling,

and all other information provid-

ed with this product:

This is the safety alert

symbol. It is used to alert

you to potential personal

injury hazards. Obey all

safety messages that

follow this symbol to avoid

possible injury or death.

DANGER indicates

a hazardous

situation which, if not

avoided, will result in death or

serious injury.

WARNING

indicates a

hazardous situation which, if

not avoided, could result in

death or serious injury.

CAUTION, used

with the safety

alert symbol, indicates a

hazardous situation which, if

not avoided, could result in

minor or moderate injury.

NOTICE is used to

address practices

not related to personal injury.

CAUTION, without

the safety alert

symbol, is used to address

practices not related to

personal injury.

IMPORTANT SAFETY

INSTRUCTIONS

INSTRUCTIONS PERTAINING

TO A RISK OF FIRE,

ELECTRIC SHOCK, OR

INJURY TO PERSONS

WARNING – When using tools, basic pre-

cautions should always be followed,

including the following:

General

a. To reduce the risks of electric

shock, re, and injury to persons,

read all the instructions before us-

ing the tool.

Work area

a. Keep the work area clean and well

lighted. Cluttered benches and dark

areas increase the risks of electric

shock, re, and injury to persons.

b. Do not operate the tool in explo-

sive atmospheres, such as in the

presence of ammable liquids,

gases, or dust. The tool is able to

create sparks resulting in the ignition

of the dust or fumes.

c. Keep bystanders, children, and

visitors away while operating the

SKU 95141 For technical questions, please call 1-800-444-3353. Page 3

tool. Distractions are able to result in

the loss of control of the tool.

Personal safety

a. Stay alert. Watch what you are do-

ing and use common sense when

operating the tool. Do not use the

tool while tired or under the inu-

ence of drugs, alcohol, or medica-

tion. A moment of inattention while

operating the tool increases the risk

of injury to persons.

b. Dress properly. Do not wear loose

clothing or jewelry. Contain long

hair. Keep hair, clothing, and

gloves away from moving parts.

Loose clothes, jewelry, or long hair

increases the risk of injury to persons

as a result of being caught in moving

parts.

c. Avoid unintentional starting. Be

sure the switch is off before con-

necting to the air supply. Do not

carry the tool with your nger on the

switch or connect the tool to the air

supply with the switch on.

d. Remove adjusting keys and

wrenches before turning the tool

on. A wrench or a key that is left at-

tached to a rotating part of the tool

increases the risk of personal injury.

e. Do not overreach. Keep proper

footing and balance at all times.

Proper footing and balance enables

better control of the tool in unexpect-

ed situations.

f. Use safety equipment. A

dust mask, non-skid safety

shoes and a hard hat must

be used for the applicable

conditions. Wear heavy-duty work

gloves during use.

g. Always wear eye protec-

tion. Wear ANSI-ap-

proved safety goggles.

h. Always wear hearing

protection when using

the tool. Prolonged expo-

sure to high intensity noise

is able to cause hearing loss.

Tool use and care

a. Use clamps or another practical

way to secure and support the

workpiece to a stable platform.

Holding the work by hand or against

the body is unstable and is able to

lead to loss of control.

b. Do not force the tool. Use the

correct tool for the application. The

correct tool will do the job better and

safer at the rate for which the tool is

designed.

c. Do not use the tool if the switch

does not turn the tool on or off.

Any tool that cannot be controlled

with the switch is dangerous and

must be repaired.

d. Disconnect the tool from the air

source before making any adjust-

ments, changing accessories, or

storing the tool. Such preventive

safety measures reduce the risk of

starting the tool unintentionally. Turn

off and detach the air supply, safely

discharge any residual air pressure,

and release the throttle and/or turn

the switch to its off position before

leaving the work area.

SKU 95141 For technical questions, please call 1-800-444-3353. Page 4

e. Store the tool when it is idle out of

reach of children and other un-

trained persons. A tool is dangerous

in the hands of untrained users.

f. Maintain the tool with care. Keep a

cutting tool sharp and clean. A prop-

erly maintained tool, with sharp cut-

ting edges reduces the risk of binding

and is easier to control.

g. Check for misalignment or bind-

ing of moving parts, breakage of

parts, and any other condition that

affects the tool’s operation. If dam-

aged, have the tool serviced before

using. Many accidents are caused

by poorly maintained tools. There is a

risk of bursting if the tool is damaged.

h. Use only accessories that are

identied by the manufacturer for

the specic tool model. Use of an

accessory not intended for use with

the specic tool model, increases the

risk of injury to persons.

Service

a. Tool service must be performed

only by qualied repair personnel.

b. When servicing a tool, use only

identical replacement parts. Use

only authorized parts.

c. Use only the lubricants supplied

with the tool or specied by the

manufacturer.

Air source

a. Never connect to an air

source that is capable of

exceeding 200 psi. Over

pressurizing the tool may

cause bursting, abnormal operation,

breakage of the tool or serious injury

to persons. Use only clean, dry,

regulated compressed air at the rated

pressure or within the rated pressure

range as marked on the tool. Always

verify prior to using the tool that the

air source has been adjusted to the

rated air pressure or within the rated

air-pressure range.

b. Never use oxygen, carbon dioxide,

combustible gases or any bottled

gas as an air source for the tool.

Such gases are capable of explosion

and serious injury to persons.

SAVE THESE

INSTRUCTIONS.

SYMBOLS AND

SPECIFIC SAFETY

INSTRUCTIONS

Symbol Denitions

Symbol Property or statement

noNo-load speed

.../min Revolutions or reciprocation per

minute

PSI Pounds per square inch of pressure

ft-lb Foot-pounds of torque

BPM Blows per minute

CFM Cubic Feet per Minute ow

SCFM Cubic Feet per Minute ow at

standard conditions

NPT National pipe thread, tapered

Chart continued in next column.

SKU 95141 For technical questions, please call 1-800-444-3353. Page 5

Symbol Denitions

Symbol Property or statement

NPS National pipe thread, straight

WARNING marking concerning Risk

of Eye Injury. Wear ANSI-approved

eye protection.

WARNING marking concerning Risk

of Hearing Loss. Wear hearing

protection.

WARNING marking concerning Risk

of Respiratory Injury. Wear NIOSH-

approved dust mask/respirator.

WARNING marking concerning Risk

of Explosion.

Specic Safety Instructions

1. The warnings and precautions dis-

cussed in this manual cannot cover

all possible conditions and situations

that may occur. It must be under-

stood by the operator that common

sense and caution are factors which

cannot be built into this product, but

must be supplied by the operator.

2. WARNING: The brass components

of this product contain lead, a chemi-

cal known to the State of California

to cause birth defects (or other repro-

ductive harm). (California Health &

Safety code § 25249.5, et seq.)

3. Only use with accessories rated to

handle the forces exerted by this tool

during operation. Other accessories

not designed for the forces gener-

ated may break and forcefully launch

pieces.

4. Attach all accessories properly to the

tool before connecting the air sup-

ply. A loose accessory may detach or

break during operation.

5. Obey the manual for the air compres-

sor used to power this tool.

6. Install an in-line shutoff valve to allow

immediate control over the air supply

in an emergency, even if a hose is

ruptured.

7. Use this tool with both hands only.

Using tools with only one hand can

result in loss of control.

8. Do not lay the tool down until it has

come to a complete stop. Moving

parts can grab the surface and pull

the tool out of your control.

Vibration Precautions

This tool vibrates during use. Re-

peated or long-term exposure to vibra-

tion may cause temporary or permanent

physical injury, particularly to the hands,

arms and shoulders. To reduce the risk of

vibration-related injury:

1. Anyone using vibrating tools regu-

larly or for an extended period should

rst be examined by a doctor and

then have regular medical check-

ups to ensure medical problems are

not being caused or worsened from

use. Pregnant women or people

who have impaired blood circulation

to the hand, past hand injuries, ner-

vous system disorders, diabetes, or

Raynaud’s Disease should not use

this tool. If you feel any symptoms

related to vibration (such as tingling,

numbness, and white or blue ngers),

seek medical advice as soon as pos-

sible.

2. Do not smoke during use. Nico-

tine reduces the blood supply to the

hands and ngers, increasing the risk

of vibration-related injury.

SKU 95141 For technical questions, please call 1-800-444-3353. Page 6

3. Wear suitable gloves to reduce the

vibration effects on the user.

4. Use tools with the lowest vibration

when there is a choice between dif-

ferent processes.

5. Include vibration-free periods each

day of work.

6. Grip tool as lightly as possible (while

still keeping safe control of it). Let

the tool do the work.

7. To reduce vibration, maintain tool as

explained in this manual. If abnormal

vibration occurs, stop immediately.

SAVE THESE

INSTRUCTIONS.

SPECIFICATIONS

Maximum Air Pressure 90 PSI

Air Inlet 3/8”-18 NPT

Maximum Speed* 4300 RPM

Air Consumption 9.3 CFM @ 90 PSI

Drive Size 3/4” Square Drive

Impact Mechanism Jumbo Hammer

Anvil Retainer Type Hog Ring

Maximum Torque 1300 ft-lb

Torque Range 200-650 ft-lb

Blows Per Minute 960

Recommended Hose

Size

1/2” Inside Diameter

(Not Included)

* Maximum speed, blows per minute and torque at

stated maximum air pressure. Excess air pressure is

hazardous and may cause the tool to exceed stated

maximum speed.

INITIAL TOOL SET UP/

ASSEMBLY

Read the ENTIRE IMPORTANT

SAFETY INFORMATION

section at the beginning of this

manual including all text under

subheadings therein before set

up or use of this product.

Unpacking

When unpacking, make sure that

the item is intact and undamaged. If any

parts are missing or broken, please call

Harbor Freight Tools at the number shown

throughout the manual as soon as pos-

sible.

Air Supply

TO PREVENT

EXPLOSION:

Use only clean, dry, regulated,

compressed air to power this

tool. Do not use oxygen,

carbon dioxide, combustible

gases, or any other bottled

gas as a power source for this

tool.

1. Incorporate an in-line oiler, shut-off

valve, regulator with pressure gauge,

and lter for best service, as shown in

the diagram above. An in-line shut-

off valve is an important safety

SKU 95141 For technical questions, please call 1-800-444-3353. Page 7

device because it controls the air

supply even if the air hose is rup-

tured.

Note: If an automatic oiler system is not

used, add a few drops of Pneumatic

Tool Oil to the airline connection be-

fore operation. Add a few more drops

after each hour of continual use.

2. Attach an air hose to the compres-

sor’s air outlet. Connect the air hose

to the air inlet of the tool. Other com-

ponents, such as a connector and

quick coupler, will make operation

more efcient, but are not required.

WARNING! TO PREVENT SERIOUS

INJURY FROM ACCIDENTAL

OPERATION:

Do not install a female quick

coupler on the tool. Such a coupler

contains an air valve that will allow

the air tool to retain pressure and

operate accidentally after the air

supply is disconnected.

Note: Air ow, and therefore tool perfor-

mance, can be hindered by under-

sized air supply components.

3. The air hose must be long enough

to reach the work area with enough

extra length to allow free movement

while working.

4. Turn the tool’s throttle or switch to the

off position; refer to Operation section

for description of controls.

5. Close the in-line safety valve be-

tween the compressor and the tool.

6. Turn on the air compressor according

to the manufacturer’s directions and

allow it to build up pressure until it

cycles off.

7. Adjust the air compressor’s output

regulator so that the air output is

enough to properly power the tool,

but the output will not exceed the

tool’s maximum air pressure at any

time. Adjust the pressure gradually,

while checking the air output gauge

to set the right pressure range.

8. Inspect the air connections for leaks.

Repair any leaks found.

9. If the tool will not be used at this

time, turn off and detach the air sup-

ply, safely discharge any residual air

pressure, and release the throttle

and/or turn the switch to its off posi-

tion to prevent accidental operation.

Note: Residual air pressure should not be

present after the tool is disconnected

from the air supply. However, it is a

good safety measure to attempt to

discharge the tool in a safe fashion

after disconnecting to ensure that the

tool is disconnected and unpowered.

SKU 95141 For technical questions, please call 1-800-444-3353. Page 8

OPERATING INSTRUCTIONS

1. Always wear eye protec-

tion. Wear ANSI-approved

safety goggles.

2. Always wear hearing

protection when using the

tool. Prolonged exposure

to high intensity noise is

able to cause hearing loss.

3. Whenever possible, secure the work-

piece in place, using a vise or clamps

(not included).

4. Make sure the Impact Wrench is

disconnected from its air supply hose

prior to installing or changing sockets

(not included) on the tool.

5. Select the proper 3/4” impact socket

for the job at hand. Then, rmly

insert the socket onto the Anvil (39) of

the Impact Wrench. (See Figure C.)

6. The Impact Wrench features a For-

ward/Reverse Valve (21) that allows

you to change the rotational direction

of the tool. For a forward (clock-

wise) rotation, move the Forward/Re-

verse Valve to the left. For a reverse

(counterclockwise) rotation, move

the Forward/Reverse Valve to the

right. (See Figure C.)

7. Connect the air supply hose (not

included) to the air inlet.

(See Figure C.)

8. Turn on the air compressor, and set

its regulator at 90 PSI.

Do not exceed 90 PSI.

9. Wait until the air compressor’s regula-

tor reaches 90 PSI. Then, insert the

previously installed socket onto the

nut that is to be loosened or tight-

ened.

10. Make sure to hold the Impact Wrench

rmly with both hands, as torque from

the tool will cause the tool to twist.

Then, squeeze the Trigger (27) to

turn on the tool. (See Figure C.)

11. To avoid damaging the Impact

Wrench, always make sure the

tool is at a complete stop before

changing the rotational direction.

SOCKET

(NOT INCLUDED)

AIR SUPPLY HOSE

(NOT INCLUDED)

TRIGGER

(27)

FORWARD/REVERSE VALVE

(21)

FIGURE C

SKU 95141 For technical questions, please call 1-800-444-3353. Page 9

12. When nished, release the Trigger

(27) to stop the Impact Wrench.

13. Turn off the air compressor. Squeeze

the Trigger (27) of the Impact Wrench

to release any remaining air pres-

sure in the system and tool. Discon-

nect the tool from its air supply hose.

Then, remove the socket from the

tool and store the socket in a safe

location. (See Figure C.)

14. Make sure to store the Impact

Wrench in a clean, dry, safe location

out of reach of children and other

unauthorized people.

INSPECTION, MAINTENANCE,

AND CLEANING

1. WARNING! Always wear ANSI

approved safety impact goggles

when performing any inspection,

maintenance, or cleaning proce-

dures.

2. WARNING! Prior to performing any

inspection, maintenance, or cleaning

of the Impact Wrench, make sure to

disconnect the air hose from the tool.

Then, squeeze the Trigger (27) again

to release any compressed air in the

system and tool.

3. To clean the exterior of the Impact

Wrench, wipe with a clean, damp

cloth using a mild detergent or mild

solvent. Do not immerse the tool in

liquids.

4. When storing, always store the Riv-

eter in a clean, dry, safe location out

of reach of children.

5. CAUTION! All maintenance, service,

and repairs not mentioned in this

manual must only be performed by a

qualied service technician.

SKU 95141 For technical questions, please call 1-800-444-3353. Page 10

TROUBLESHOOTING

Problem Possible Solution

Impact Wrench does not turn on when Trigger is

squeezed.

1. Turn air compressor and set its regulator is set

at 90 PSI.

2. Secure all air system connections are and

make sure that there are no leaks.

3. Make sure the Air Filter (44) within the Air Inlet

(45) is not plugged.

Releasing the Trigger on the Impact

Wrench does not turn off the tool.

Turn off the air compressor. Release any

remaining compressed air from the system and

tool. Disconnect the air supply hose from the

tool. Do not use the tool until a qualied service

technician repairs the tool.

PLEASE READ THE FOLLOWING CAREFULLY

THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST

AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEI-

THER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION

OR WARRANTY OF ANY KIND TO THE BUYER 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 RISKS AND

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

OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTAL-

LATION OF REPLACEMENT PARTS THERETO.

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