Rockwood 31893 User manual

© Copyright 2017 Easthill Group, Inc. 8/17 Instruction item #31893Q Rev 1
If you have any questions about the use of this product, please contact
The Eastwood Technical Assistance Service Department: 800.343.9353 >> email: [e-mail]
PDF version of this manual is available online >> eastwood.com/31893manual
The Eastwood Company 263 Shoemaker Road, Pottstown, PA 19464, USA
US and Canada: 800.343.9353 Outside US: 610.718.8335
Fax: [phone] eastwood.com
ADDITIONAL ITEMS
#70491 Eastwood Industrial Air Hose, 3/8" x 25'
#70492 Eastwood Industrial Air Hose, 3/8" x 50'
#13223 Face Shield with Ratcheting Headband
#31476 Air Hammer Drift Pin Set
ROCKWOOD AIR HAMMER
AND CHISEL SET
INSTRUCTIONS
Item #31893

2Eastwood Technical Assistance: 800.343.9353 >> [e-mail] To order parts and supplies: 800.343.9353 >> eastwood.com 7
The ROCKWOOD AIR HAMMER & CHISEL SET features a high-performance 4500 bpm (blows per
minute) design for quick and efficient operation. It accepts any standard 0.401" Parker Taper shank
air hammer tool bit and includes four of the most popular tool bit configurations.
CONTENTS
(1) Air Hammer.
(1) Retaining Spring.
(1) Taper Punch.
(1) Sheet Metal Cutter.
(1) Sheet Metal Trimmer.
(1) Flat Chisel.
(1) 1/4" MNPT, Male
quick disconnect inlet fitting
SPECIFICATIONS
Shank Capacity: Standard 0.401" Parker Taper
BPM: 4,500 free speed
Air Consumption: 4 CFM [113 L/min] @ 90 PSI [6.2 bar]
Max. Operating Air Pressure: 90 PSI [6.2 bar]
Inlet Thread Size: 1/4" FNPT

6Eastwood Technical Assistance: 800.343.9353 >> [e-mail] To order parts and supplies: 800.343.9353 >> eastwood.com 3
READ INSTRUCTIONS
• Thoroughly read and understand these product instructions before using
this tool. Failure to follow all warnings can result in tool damage or serious
physical injury.
• Keep these product instructions for future reference.
EYE INJURY HAZARD!
• Rapidly moving surfaces can eject metal particles, dirt and debris at
high velocity. Always wear ANSI approved eye protection when
operating this tool.
HEARING DAMAGE HAZARD!
• This Rockwood Pneumatic Tool emits high sound levels while operating.
Use ANSI approved ear protection when operating.
BURSTING HAZARD!
• Do not exceed 90 psi (6.2 bar) of tool inlet pressure. Permanent tool
damage and/or explosion could occur and cause personal injury.
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.
SAFETY INFORMATION
The following explanations are displayed in this manual, on the labeling, and on all other information
provided with this product:
PROBLEM CAUSE SOLUTION
Tool Doesn’t
Respond to
Trigger
Depression
Insufficient volume
of air (CFM) to
operate tool
Verify sufficient air supply to tool.
(4 CFM @ 90 PSI minimum requirement)
Moisture or other
contamination
in air supply
Check for moisture in air line and tool air inlet
Tool
Performance is
Slow or Sluggish
Insufficient volume
of air (CFM) to
operate tool
Verify sufficient air supply to tool
(4 CFM @ 90 PSI minimum requirement)
Moisture or other
contamination in
air supply
Check for moisture in air line and tool air inlet
Air Motor is lacking
lubrication
Stop use immediately and add air tool oil
directly to air inlet
Tool Cycles
Excessively
but Air Tool Bit
Moves Very Little
or Not at All
Air Tool Bit has
worked loose from
Spring Retainer
Stop use immediately and re-attach spring to
Air Tool Bit Shank
TROUBLESHOOTING

4Eastwood Technical Assistance: 800.343.9353 >> [e-mail] To order parts and supplies: 800.343.9353 >> eastwood.com 5
OPERATION
• Place the desired tool bit against
work piece and depress trigger to
actuate hammering. Always use
two hands to control tool.
• Speed is regulated by rotating
the knurled Knob located at
the underside of the Gun Grip.
To increase speed: rotate in a
Counter-Clockwise direction (as
viewed form the underside of the
Gun Grip). To decrease speed:
rotate Knob in a Clockwise
direction.
• Avoid running the Hammer freely
without a workload, permanent
internal tool damage can occur.
INJURY HAZARD!
• This tool has high-speed, highly aggressive chiseling surfaces which can
quickly cause severe injury. Keep fingers and hands away from moving
parts when operating. Wear thick, well-fitting work gloves and keep loose
clothing, sleeves, cords, jewelry and hair away from moving parts.
• This tool may eject sparks during use which can ignite flammable materials
or injure others nearby. Do not operate near flammable materials and keep
all persons and pets away from the work area.
• Do not force tool while in use as the tool body can suddenly kick back
causing severe hand or wrist injury. Air Tool Bits may disintegrate with
excessive side force causing them to fracture and eject sharp pieces at high
velocity.
• Always make sure the workpiece is securely clamped or anchored to avoid
sudden movements which could result in injury.
• Frequently inspect condition of Air Tool Bits. If cracks develop, discontinue
tool use.
VIBRATION INJURY HAZARD!
• This tool will vibrate during use! Repeated exposure to vibration may cause
physical injury.
SET UP & CONNECTION
• Be sure that the air supply to the tool is clean and dry. Moisture in the supply line will quickly
damage the motor and valves.
• A minimum 3/8” I.D. air line should be used for optimal performance.
• Thread the retaining spring onto the machined spiral-grooved end of the hammer body with the
protruding ear inward. Rotate the spring using the ear as a lever (Fig 1).
• Make sure the Hammer is disconnected from the air supply. The bit is slid into the bore of the
hammer drive piston using the spring to retain it. The Spring must be deflected by pulling firmly
outward and back so that the formed “U” fits over the flange portion of the tool shank (Fig 2).
This keeps the tool bit in place while hammering.
• To remove a bit, disconnect air supply, pull spring “U” outward and back and release tool bit
from bore.
INJURY HAZARD!
Disconnect air supply from the Hammer to prevent accidental starting and
potential injury while placing a tool bit in the bore.
INJURY HAZARD!
Disconnect air supply from the Hammer to prevent accidental starting and
potential injury while placing a tool bit in the bore.
FIG. 1
FIG. 2
MAINTENANCE
• Add several drops of air tool oil before each use directly into the air inlet.
• If Hammer is to be unused for an extended period, add 10 drops of air tool oil directly to the air
inlet then store the Hammer handle up.

4Eastwood Technical Assistance: 800.343.9353 >> [e-mail] To order parts and supplies: 800.343.9353 >> eastwood.com 5
OPERATION
• Place the desired tool bit against
work piece and depress trigger to
actuate hammering. Always use
two hands to control tool.
• Speed is regulated by rotating
the knurled Knob located at
the underside of the Gun Grip.
To increase speed: rotate in a
Counter-Clockwise direction (as
viewed form the underside of the
Gun Grip). To decrease speed:
rotate Knob in a Clockwise
direction.
• Avoid running the Hammer freely
without a workload, permanent
internal tool damage can occur.
INJURY HAZARD!
• This tool has high-speed, highly aggressive chiseling surfaces which can
quickly cause severe injury. Keep fingers and hands away from moving
parts when operating. Wear thick, well-fitting work gloves and keep loose
clothing, sleeves, cords, jewelry and hair away from moving parts.
• This tool may eject sparks during use which can ignite flammable materials
or injure others nearby. Do not operate near flammable materials and keep
all persons and pets away from the work area.
• Do not force tool while in use as the tool body can suddenly kick back
causing severe hand or wrist injury. Air Tool Bits may disintegrate with
excessive side force causing them to fracture and eject sharp pieces at high
velocity.
• Always make sure the workpiece is securely clamped or anchored to avoid
sudden movements which could result in injury.
• Frequently inspect condition of Air Tool Bits. If cracks develop, discontinue
tool use.
VIBRATION INJURY HAZARD!
• This tool will vibrate during use! Repeated exposure to vibration may cause
physical injury.
SET UP & CONNECTION
• Be sure that the air supply to the tool is clean and dry. Moisture in the supply line will quickly
damage the motor and valves.
• A minimum 3/8” I.D. air line should be used for optimal performance.
• Thread the retaining spring onto the machined spiral-grooved end of the hammer body with the
protruding ear inward. Rotate the spring using the ear as a lever (Fig 1).
• Make sure the Hammer is disconnected from the air supply. The bit is slid into the bore of the
hammer drive piston using the spring to retain it. The Spring must be deflected by pulling firmly
outward and back so that the formed “U” fits over the flange portion of the tool shank (Fig 2).
This keeps the tool bit in place while hammering.
• To remove a bit, disconnect air supply, pull spring “U” outward and back and release tool bit
from bore.
INJURY HAZARD!
Disconnect air supply from the Hammer to prevent accidental starting and
potential injury while placing a tool bit in the bore.
INJURY HAZARD!
Disconnect air supply from the Hammer to prevent accidental starting and
potential injury while placing a tool bit in the bore.
FIG. 1
FIG. 2
MAINTENANCE
• Add several drops of air tool oil before each use directly into the air inlet.
• If Hammer is to be unused for an extended period, add 10 drops of air tool oil directly to the air
inlet then store the Hammer handle up.

6Eastwood Technical Assistance: 800.343.9353 >> [e-mail] To order parts and supplies: 800.343.9353 >> eastwood.com 3
READ INSTRUCTIONS
• Thoroughly read and understand these product instructions before using
this tool. Failure to follow all warnings can result in tool damage or serious
physical injury.
• Keep these product instructions for future reference.
EYE INJURY HAZARD!
• Rapidly moving surfaces can eject metal particles, dirt and debris at
high velocity. Always wear ANSI approved eye protection when
operating this tool.
HEARING DAMAGE HAZARD!
• This Rockwood Pneumatic Tool emits high sound levels while operating.
Use ANSI approved ear protection when operating.
BURSTING HAZARD!
• Do not exceed 90 psi (6.2 bar) of tool inlet pressure. Permanent tool
damage and/or explosion could occur and cause personal injury.
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.
SAFETY INFORMATION
The following explanations are displayed in this manual, on the labeling, and on all other information
provided with this product:
PROBLEM CAUSE SOLUTION
Tool Doesn’t
Respond to
Trigger
Depression
Insufficient volume
of air (CFM) to
operate tool
Verify sufficient air supply to tool.
(4 CFM @ 90 PSI minimum requirement)
Moisture or other
contamination
in air supply
Check for moisture in air line and tool air inlet
Tool
Performance is
Slow or Sluggish
Insufficient volume
of air (CFM) to
operate tool
Verify sufficient air supply to tool
(4 CFM @ 90 PSI minimum requirement)
Moisture or other
contamination in
air supply
Check for moisture in air line and tool air inlet
Air Motor is lacking
lubrication
Stop use immediately and add air tool oil
directly to air inlet
Tool Cycles
Excessively
but Air Tool Bit
Moves Very Little
or Not at All
Air Tool Bit has
worked loose from
Spring Retainer
Stop use immediately and re-attach spring to
Air Tool Bit Shank
TROUBLESHOOTING

2Eastwood Technical Assistance: 800.343.9353 >> [e-mail] To order parts and supplies: 800.343.9353 >> eastwood.com 7
The ROCKWOOD AIR HAMMER & CHISEL SET features a high-performance 4500 bpm (blows per
minute) design for quick and efficient operation. It accepts any standard 0.401" Parker Taper shank
air hammer tool bit and includes four of the most popular tool bit configurations.
CONTENTS
(1) Air Hammer.
(1) Retaining Spring.
(1) Taper Punch.
(1) Sheet Metal Cutter.
(1) Sheet Metal Trimmer.
(1) Flat Chisel.
(1) 1/4" MNPT, Male
quick disconnect inlet fitting
SPECIFICATIONS
Shank Capacity: Standard 0.401" Parker Taper
BPM: 4,500 free speed
Air Consumption: 4 CFM [113 L/min] @ 90 PSI [6.2 bar]
Max. Operating Air Pressure: 90 PSI [6.2 bar]
Inlet Thread Size: 1/4" FNPT

© Copyright 2017 Easthill Group, Inc. 8/17 Instruction item #31893Q Rev 1
If you have any questions about the use of this product, please contact
The Eastwood Technical Assistance Service Department: 800.343.9353 >> email: [e-mail]
PDF version of this manual is available online >> eastwood.com/31893manual
The Eastwood Company 263 Shoemaker Road, Pottstown, PA 19464, USA
US and Canada: 800.343.9353 Outside US: 610.718.8335
Fax: [phone] eastwood.com
ADDITIONAL ITEMS
#70491 Eastwood Industrial Air Hose, 3/8" x 25'
#70492 Eastwood Industrial Air Hose, 3/8" x 50'
#13223 Face Shield with Ratcheting Headband
#31476 Air Hammer Drift Pin Set
ROCKWOOD AIR HAMMER
AND CHISEL SET
INSTRUCTIONS
Item #31893