Power Fist 8843641 Manual de usuario

V1.0 8843641

Please read and understand all instructions before use. Retain this manual for

future reference.

8843641 Pistol Grip Air Shear V1.0

2 For technical questions call 1-800-665-8685

SPECIFICATIONS

Material Die-cast Aluminum Housing

Air Consumption @ 90 PSI 6.75 CFM

Air Inlet 1/4 in.

Max. Pressure 90 PSI

Max. Cutting Capacity Steel 18 Gauge

Max. Cutting Capacity Aluminum 16 Gauge

No Load Speed 2,200 RPM

Recommended Air Hose Size 3/8 in.

HAZARD DEFINITIONS

Please familiarize yourself with the hazard notices found in this manual. A

notice is an alert that there is a possibility of property damage, injury or

death if certain instructions are not followed.

DANGER! This notice indicates an immediate and specific hazard that

will result in severe personal injury or death if the proper

precautions are not taken.

WARNING! This notice indicates a specific hazard or unsafe practice that

could result in severe personal injury or death if the proper

precautions are not taken.

CAUTION! This notice indicates a potentially hazardous situation that may

result in minor or moderate injury if proper practices are not

taken.

NOTICE! This notice indicates that a specific hazard or unsafe practice

will result in equipment or property damage, but not personal

injury.

V1.0 Pistol Grip Air Shear 8843641

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INTRODUCTION

The Pistol Grip Air Shear can cut sheet metal, aluminum, tin and plastic. The

shears are great for duct work and autobody repair.

A blade replacement kit is available (SKU 8843666).

SAFETY

WARNING! Read and understand all instructions before using this tool. The

operator must follow basic precautions to reduce the risk of personal injury

and/or damage to the equipment.

Keep this manual for safety warnings, precautions, operating or inspection

and maintenance instructions.

WORK AREA

1. Operate in a safe work environment. Keep your work area clean, well-

lit and free of distractions. Place lights so you are not working in a

shadow.

2. Keep anyone not wearing the appropriate safety equipment away from

the work area.

3. Store unused tools properly in a safe and dry location to prevent rust

or damage. Lock tools away and keep out of the reach of children.

4. Do not install or use in the presence of flammable gases, dust or

liquids.

PERSONAL SAFETY

WARNING! Wear personal protective equipment approved by the Canadian

Standards Association (CSA) or American National Standards Institute (ANSI).

PERSONAL PROTECTIVE EQUIPMENT

1. Always wear impact safety goggles that provide front and side

protection for the eyes. Eye protection equipment should comply with

CSA Z94.3-07 or ANSI Z87.1 standards based on the type of work

performed.

2. Wear the appropriate type of full-face shield in addition to safety

googles, as the work can create chips, abrasive or particulate matter.

3. Wear gloves that provide protection based on the work materials or to

reduce the effects of tool vibration.

4. Wear protective clothing designed for the work environment and tool.

8843641 Pistol Grip Air Shear V1.0

4 For technical questions call 1-800-665-8685

5. Non-skid footwear is recommended to maintain footing and balance in

the work environment.

6. This tool can cause hearing damage. Wear hearing protection gear with

an appropriate Noise Reduction Rating to withstand the decibel levels.

7. The tool may contain high pressure. Use safety glasses and gloves for

protection during operation. Keep hands clear of the exposed rubber

portions of the hose.

8. Wear steel toe footwear or steel toe caps to prevent a foot injury from

falling objects.

9. Wear a NIOSH approved respirator when working on materials that

produce hazardous fumes, dust or particulate matter.

PERSONAL PRECAUTIONS

Control the tool, personal movement and the work environment to avoid

personal injury or damage to tool.

1. Do not operate any tool when tired or under the influence of drugs,

alcohol or medications.

2. Avoid wearing clothes or jewelry that can become entangled with the

moving parts of a tool. Keep long hair covered or bound.

3. Do not overreach when operating a tool. Proper footing and balance

enables better control in unexpected situations.

4. Keep your fingers away from the trigger/switch while carrying the tool,

attaching an air hose or an accessory. Lock the trigger/switch safety if

available.

5. Avoid unintentional starts. Be sure that the regulator/throttle switch is

in the neutral or OFF position when not in use and before connecting it

to any air source.

6. Never point the air stream or tool at any point of your body, other people

or animals. Debris and dust ejected at high speed can cause an injury.

7. Serious injury or death may occur from inhaling compressed air. The air

stream may contain carbon monoxide, toxic vapors or solid particles.

Never inhale compressed air directly from the pump or air tool.

8. Support the workpiece or clamp it to a stable platform. Holding the

workpiece by hand or against your body may lead to personal injury.

9. Securely hold this tool using both hands. Using a tool with only one

hand can result in loss of control.

V1.0 Pistol Grip Air Shear 8843641

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SPECIFIC SAFETY PRECAUTIONS

WARNING! DO NOT let comfort or familiarity with product (gained from

repeated use) replace strict adherence to the tool safety rules. If you use

this tool unsafely or incorrectly, you can suffer serious personal injury.

1. Use the correct tool for the job. This tool was designed for a specific

function. Do not modify or alter this tool or use it for an unintended

purpose.

2. Do not use the tool if any parts are damage broken or misplaced.

Repair or replace the parts.

3. Do not use any power tool with a malfunctioning power switch or

control. A power tool that fails to respond to the controls is dangerous

and can cause an injury. A qualified technician must repair and verify

the power tool is operating correctly before it can be used.

4. Never use a tool with a cracked or worn tool accessory. Change the

tool accessory before using it.

5. Do not cover the air vents.

6. Only use accessories that are specifically designed for use with the

tool. Ensure the accessory is tightly installed.

7. Only use an accessory that exceeds the speed rating (see Specifications).

8. Disconnect the power source before installing or servicing the tool.

9. Remove adjusting keys and wrenches before using the tool. The tool

may eject an attached wrench or a key and cause an injury to you or a

bystander.

10. Before using the tool on a workpiece, test the tool by running it at the

highest speed rating for at least 30 seconds in a safe position. Stop

immediately if there is any abnormal vibration or wobbling. Check the

tool to determine the cause.

11. Never force the tool. Excessive pressure could break the tool, resulting

in damage to your workpiece or serious personal injury. Excessive

pressure is the cause if your tool runs smoothly under no load, but

roughly under load.

12. Keep hands and fingers away from the work area. Any part of the body

contacting the tool’s working parts could result in an injury.

13. Never touch the tool accessory or workpiece during or immediately after

use. They may be hot and could inflict a burn injury.

8843641 Pistol Grip Air Shear V1.0

6 For technical questions call 1-800-665-8685

14. Do not start the tool when the tool’s accessory is touching the

workpiece.

15. Use extra caution when making a ‘plunge cut’ into existing walls or

other blind areas. You may cut objects that can cause kickback, cut an

electrical wire or a water pipe.

16. Before using the shear, make sure the blades (#37, 38 and 40) are properly

attached to the tool. Be sure the blades are not dull, cracked or bent.

Blades that do not match the tool’s mounting hardware will run

erratically, causing loss of control.

17. The blades will become hot while cutting. Allow the blades to

completely cool before touching.

18. Ensure that the workpiece is properly supported to prevent body

exposure, blade binding or loss of control.

AIR TOOL PRECAUTIONS

1. Use only clean and dry compressed air as a power source.

Contaminated or moist air will gradually damage the tool.

2. Install an in-line shutoff valve or regulator to allow immediate control

over the air supply in an emergency, even if a hose is ruptured.

3. Discontinue tool use if it does not work properly or air is leaking. Tag

or mark the tool as ‘defective’ or ‘out of service’ until repaired.

4. Check the manufacturer’s maximum pressure rating for air tools and

accessories. Compressor outlet pressure must be regulated to never

exceed the maximum pressure rating of the tool (see Specifications).

Exceeding the maximum PSI rating can create a bursting hazard,

causing injury and property damage.

5. Attach all accessories properly to the tool before connecting the air

supply. A loose accessory may detach or break during operation.

6. Never use oxygen, combustible gas or any other bottled gas as a

power source. Any power source other than an air compressor could

cause an explosion and serious personal injury.

7. Turn OFF the valve and discharge any remaining air pressure after each

use or before adjusting the tool.

V1.0 Pistol Grip Air Shear 8843641

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8. Do not leave the air tool unattended with its compressed air supply on.

Turn off the compressed air supply and bleed the air tool of any

remaining compressed air before leaving the air tool unattended.

9. Serious injury may occur from loose debris being propelled at high speeds

from the compressed air stream. Always wear OSHA approved safety

glasses to protect the eyes during operation of the air compressor.

10. Always turn off the air compressor and drain tank pressure completely

before attempting maintenance or attaching air tools. Release pressure

slowly from the system.

AIR HOSE PRECAUTIONS

1. Inspect the tool's air hose for cracks, fraying or other faults before

each use. Discontinue use if the air hose is damaged or hissing is heard

from the air hose or couplers. Replace the defective air hose.

2. Do not allow people, mobile equipment or vehicles to pass over the

unprotected air hose. Position the air hose away from high traffic

areas, in a reinforced conduit or place planks on both sides of the air

hose to create a protective trench.

3. Prevent damage to the air hose by observing the following:

a. Never carry the tool by the air hose.

b. Keep the air hose behind the tool and out of the tool's work path.

c. Keep the air hose away from heat, oil, sharp edges or moving parts.

d. Do not wrap the air hose around the tool as sharp edges may pierce

or crack the air hose. Gently coil the hose and either hang on a hook

or fasten with a device to keep hose together when storing.

4. A damaged or disconnected air hose under pressure may whip around

and inflict personal injury or damage the work area. Secure the

compressor's air hose to a fixed or permanent structure with clamps or

cable ties.

VIBRATION PRECAUTIONS

1. This tool vibrates during use. Repeated or long-term exposure to

vibration may cause temporary or permanent physical injury. Take

frequent breaks when using the tool.

2. If you feel any medical symptoms related to vibrations (such as

tingling, numbness, and white or blue fingers), seek medical attention

as soon as possible.

8843641 Pistol Grip Air Shear V1.0

8 For technical questions call 1-800-665-8685

3. Wear suitable gloves to reduce the effects of vibration.

4. DO NOT use this tool before consulting a physician if one of the

following applies:

a. Pregnant

b. Impaired blood circulation to the

hands

c. Past hand injuries

d. Nervous system disorders

e. Diabetes

f. Raynaud's Disease

UNPACKING

WARNING! Do not operate the tool if any part is missing. Replace the

missing part before operating. Failure to do so could result in a malfunction

and personal injury.

Remove the parts and accessories from the packaging and inspect for damage.

Make sure that all items in the parts list are included.

ASSEMBLY & INSTALLATION

Numbered references in parenthesis (#1) refer to the included Parts List.

INSTALL AIR COUPLER PLUG

Prepare a standard 1/4 in. NPT coupler plug (sold separately) for use with

your tool.

1. Wrap the external threads of the coupler plug with sealant tape.

a. Wrap tape in a clockwise direction so it will not unravel.

b. Do not tape all the threads. Leave several leading threads

unwrapped for easier alignment.

2. Screw the coupler plug into the tool's air inlet and tighten with a

wrench until snug.

3. Run the compressor at a low volume and check the connection for air

leaks. Do not use the tool until all air leaks are repaired or the faulty

component is replaced.

IMPORTANT! Vibration may cause failure if a quick coupler is connected

directly to the air tool. To overcome this, connect a leader hose to the

tool. A quick coupler may then be used to connect the leader hose to

the air line hose.

V1.0 Pistol Grip Air Shear 8843641

Visit www.princessauto.com for more information 9

BLADE REPLACEMENT

Only use the recommended blade replacement kit for this shear (SKU

8843666).

1. Remove the lock screws (#35) and lock nuts (#36) and cutter

housing (#34).

2. Remove the center blade (#38) first then remove the left blade (#37)

and right blade (#40).

3. Install the new blades.

4. Replace the cutter housing (#34), lock screws (#35) and lock nuts (#36).

5. Tighten securely.

OPERATION

Test the shears on a piece of scrap material to determine the cutting

capacity of the blades.

1. Make sure to hold the shear with both hands safely away from the

blades.

2. Position the tool near the workpiece, but do not allow the blades to

overlap it. The center blade (#38) will be underneath the workpiece.

The left blade (#37) and right blade (#40) will be above it.

3. Squeeze the trigger (#13) and allow the blades to reach full speed

before applying the tool to the workpiece.

4. Feed the blades into the workpiece. Do not force the blades into the

workpiece when cutting. Apply moderate pressure, allowing the blades

to cut without being forced.

5. Complete the cut before stopping the air shear. This will help keep the

blades from getting caught in the workpiece.

6. If the tool requires more force to accomplish the task, verify that the

tool receives sufficient, unobstructed airflow (see Specifications). If the

tool still does not have sufficient force at maximum pressure and

sufficient airflow, then a larger tool may be required.

7. Release the trigger (#13) to turn off the shear. Allow the blades to stop

on their own. Do not press against the blades to stop them.

8. Turn off the air compressor, then squeeze the trigger again to release

any remaining air pressure from the tool. Disconnect the shear from

the air supply.

8843641 Pistol Grip Air Shear V1.0

10 For technical questions call 1-800-665-8685

PRESSURE DROP

Apply the air consumption and pressure rate numbers to the tool’s air inlet,

not the compressor’s outlet. Calculate the pressure drop for your air supply

set-up and increase the compressor outlet pressure to compensate. Make

sure you do not exceed the maximum pressure for any part of your air

supply system.

Installing a pressure gauge at the tool inlet is the best way to measure the

air pressure and adjust the compressor’s output.

CARE & MAINTENANCE

1. Maintain the tool with care. A tool in good condition is efficient, easier

to control and will have fewer problems.

2. Inspect the tool fittings, alignment and hoses periodically. Have damaged

or worn components repaired or replaced by an authorized technician.

Only use identical replacement parts when servicing.

3. Follow instructions for lubricating and changing accessories.

4. Only use accessories intended for use with this tool.

5. Keep the tool clean, dry and free from oil/grease at all times.

6. Maintain the tool’s labels and name plates. These carry important

information. If unreadable or missing, contact Princess Auto Ltd. for

replacements.

7. Do not use dull, dirty or damaged blades. To clean blades, remove the

blade from the tool, clean it with gum and pitch remover, hot water or

kerosene.

a. Do not use gasoline to clean the blades.

WARNING! Only qualified service personnel should repair the tool. An

improperly repaired tool may present a hazard to the user and/or others.

AIR TOOL LUBRICATION

NOTICE! Only use air tool oil to lubricate the tool. Other lubricants are not

suitable and will damage the tool or cause a malfunction during use.

NOTICE! Never use a penetrating oil to lubricate an air tool. Penetrating oil

acts as a solvent that will dissolve the tool’s grease packing and may

damage the o-rings, causing the tool to seize or malfunction.

1. All air tools have an internal coating of grease to prevent corrosion

during shipping and storage. Remove this grease by adding a generous

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