Astro Pneumatic Tool THOR 401K

To Next Page

Product Type:Model:

401K

0.401" SHANK THOR LONG BARREL

AIR HAMMER/RIVETER

Page 1

Study, understand and follow all instructions provided

with this product. Read these instructions carefully

before installing, operating, servicing or repairing this

tool. Keep these instructions in a safe accessible place.

INTENDED USE OF THE TOOL

The 401K THOR Air Hammer is designed to work

with .401 shank air hammer bits and attachments

of sufficient professional grade. Do not use this tool

outside of the designed intent. Never modify the

tool for any other purpose or use.

Caution: To help prevent personal injury

• Use of this product can expose you to chemicals

such as phthalates which are known to the State of

California to cause cancer, and birth defects or other

reproductive harm. For more information go to

www.P65Warnings.ca.gov/product.

Always wear ANSI approved safety equipment, safety

glasses and clothing when using this product. Study,

understand, and follow all instructions provided with

this product. Failure to read and follow all warnings

and operating instructions may result in damages

and serious injury or death.

• Always wear ANSI approved goggles when using this

product. (Users and By standers).

• Never use this tool for any application other than for

which it was designed.

• Only use accessories designed for this tool.

• Never alter or modify this tool in any way.

• Improper operation and/or maintenance of the tool,

modification of the tool, or use of the tool with

accessories not designed for it could result in

serious injury or death.

• Always select the correct accessories of the correct

size and design for the job that you are attempting to

perform.

• Always work in a clean, safe, well-lit, organized and

adequately equipped area.

• Do not begin repairs without assurance that vehicle

is in secure position, and will not move during repair.

WARNING

www.astrotools.com

1 YEAR LIMITED WARRANTY

• Astro Pneumatic Tool Co. warrants our products to the

original user against defective material or workmanship

for a period of 1 year (except where noted on our price

schedule) from the date of 1st use. Astro reserves the

right to determine whether the product failed because of

defective material, workmanship or other causes and to

charge back for missing parts. Astro Pneumatic Tool

Co., at its discretion, will repair products covered under

this warranty free of charge. The distributor should

direct the original user to return the product (with the

exceptions listed below) with the distributor’s name,

address, adequate proof of date of purchase or a copy

of warranty card, and a short note explaining the

problem. Failures caused by accident, alteration, or

misuse are not covered by this warranty.

• Astro Pneumatic Tool Co. or its authorized service

representatives must perform all warranty repairs. Any

repair to the product by unauthorized service represen-

tatives voids this warranty. The rights under this warran-

ty are limited to the original user and may not be trans-

ferred to subsequent owners.

• This warranty is in lieu of all other warranties, expressed

or implied, including warranties of merchantability and

fitness for a particular purpose. Some states do not

allow the exclusion of limitations of incidental or conse-

quential damages so the above limitations may not

apply to you.

PLEASE DO NOT RETURN ANY PRODUCT WITHOUT CALLING

1-800-221-9705 FOR INSTRUCTIONS

PRODUCT INFORMATION

BEFORE USE

DO NOT DISCARD – GIVE TO USER

• Maximum power .401" shank air hammer for heavy

duty automotive and industrial applications

• Specifically developed THOR model with stroke length

and ported valvebody for power that matches or beats

the top premium options from tool trucks

• Newly designed tilt valve trigger for sensitive power

adjustment at your finger tips

• Features internal brake vibration damping system for

less fatigue No nonsense design: A rotatable forward

grip, sensitive trigger and industry leading power

• Includes quick change chuck, 9.25" length, 10.25"

length, Hi-Flo fittings suggested

Air Inlet: 1/4" NPT

Piston Stroke: 3-5/8"

Stroke Speed: 2100 BPM

Net Weight: 5.3 lbs (2.4 kg)

Length: 10.25" (260mm)

Hose Size: 3/8"

Air Pressure: 90 PSI

Air Consumption: 11SCFM (1.5CFM)

Specification:

When unpacking, check the parts diagram and part

number listing on page 4 to make sure all parts are

included. If any parts are missing or damaged,

please call your distributor.

Need help?

Do you have a question about the Astro Pneumatic Tool THOR 401K and is the answer not in the manual?

Summary

General Safety and Usage Precautions

Health and Personal Safety

Covers chemical exposure warnings, PPE, and safe operating practices.

Operational Safety Warnings

Explosive Atmospheres

Warning against using the tool in potentially explosive atmospheres.

Loose Clothing and Hair

Preventing loose clothing or hair from coming close to moving parts.

High Air Pressure

Caution regarding excessive air pressure that may cause injuries.

Eye and Face Protection

Importance of wearing eye/face protection against splinters.

Breathing Protection

Using correct breathing protection to avoid inhaling harmful dust.

Hearing Protection

Using hearing protection due to high sound levels that can cause hearing loss.

Electrical Hazard

Caution that the tool is not insulated and can cause injury if contacting electricity.

Chemical Dust Exposure

Warning about dust containing chemicals known to cause cancer or birth defects.

Parts Breakdown and Identification

The Astro Pneumatic Tool Company 401K is a .401" shank THOR long barrel air hammer/riveter designed for heavy-duty automotive and industrial applications. This professional-grade tool is engineered to work with .401 shank air hammer bits and attachments.

Function Description:

The 401K THOR Air Hammer/Riveter is a pneumatic tool that utilizes compressed air to drive a piston, generating powerful impacts for tasks such as hammering, chiseling, and riveting. Its long barrel design contributes to its high power output, making it suitable for demanding jobs. The tool features a newly designed tilt valve trigger that allows for sensitive power adjustment, giving the user precise control over the impact force. An internal brake vibration damping system is incorporated to reduce user fatigue during extended operation. The design emphasizes functionality with a rotatable forward grip for ergonomic handling and industry-leading power.

Important Technical Specifications:

Product Type: 0.401" Shank THOR Long Barrel Air Hammer/Riveter
Air Inlet: 1/4" NPT
Piston Stroke: 3-5/8"
Stroke Speed: 2100 BPM
Net Weight: 5.3 lbs (2.4 kg)
Length: 10.25" (260mm)
Hose Size: 3/8"
Air Pressure: 90 PSI
Air Consumption: 11SCFM (1.5CFM)
Shank Size: .401"

Usage Features:

Heavy-Duty Applications: Specifically designed for demanding automotive and industrial tasks requiring significant impact force.
Precision Control: The tilt valve trigger enables sensitive power adjustment, allowing users to fine-tune the impact force for different materials and applications.
Ergonomic Design: Features a rotatable forward grip for comfortable and adaptable handling, reducing strain during use.
Vibration Damping: An internal brake system minimizes vibration, enhancing user comfort and reducing fatigue during prolonged operation.
Quick Change Chuck: Includes a quick change chuck for efficient and easy swapping of bits and attachments.
Safety Warnings: Emphasizes the importance of wearing ANSI approved safety equipment (goggles, safety glasses, clothing), understanding all instructions, and working in a clean, safe, well-lit, and organized area. Users are warned against using the tool outside its designed intent, altering it, or using non-designed accessories.
Chemical Exposure Warning: Notifies users about potential exposure to chemicals known to cause cancer and birth defects (e.g., phthalates, lead, crystalline silica, arsenic, chromium) and directs them to www.P65Warnings.ca.gov/product for more information. Recommends working in well-ventilated areas and wearing appropriate safety equipment to filter microscopic particles.
Environmental Considerations: Advises against using the tool in potentially explosive atmospheres and highlights risks associated with high air pressure, strong vibration, loose clothing near moving parts, and contact with electric currents.
Dust and Debris: Warns about dust and microscopic particles created during sanding, sawing, grinding, drilling, and other activities, which may contain harmful chemicals. Recommends wearing correct breathing protection.

Maintenance Features:

Lubrication: Requires 4 to 5 drops of good quality air tool oil at the air inlet before connection of the hose and every 3 to 4 hours of operation. This prevents rust and ensures smooth operation.
Tightness of Parts: Users must regularly check that all connecting parts are securely fastened before beginning work each day.
Storage: The tool should be stored in a dry location to prevent rust from residual moisture. Before and after storage, the tool should be oiled at the air inlet and run for a short period.
Air Supply System: Proper air line connection is crucial. The manual suggests pitching air lines back towards the compressor and installing drains at low points to remove condensed moisture daily. An oil and water extractor should be mounted at least 25 feet from the compressor.
Part Replacement: Provides a detailed parts breakdown and list with part numbers and descriptions for ordering replacement components. Users can contact Astro Pneumatic Tool Co. at 800-221-9705 for service parts or operational information.
Disposal: Users are instructed to follow national legislation for waste disposal.
Warranty: Covered by a 1-year limited warranty against defective material or workmanship from the date of first use. The warranty does not cover failures caused by accident, alteration, or misuse. All warranty repairs must be performed by authorized service representatives.