Part #51680
4" REVERSIBLE AIR
LONG REACH CUT OFF TOOL
INSTRUCTIONS
The EASTWOOD 4” REVERSIBLE AIR LONG REACH CUT-OFF TOOL provides the versatility to reach
many area inaccessible to ordinary pneumatic Cut-Off tools. The reversible feature allows the user
to choose the direction of the resulting “spark-shower” to avoid injury and property damage. A hightorque, ball bearing supported, 4 vane motor provides smooth operation and long life. Speed is easily
controlled with a variable speed control lever while motor activation is by paddle control.
CONTENTS
(1) Extended-Reach, 4" Reversible Cut-Off Tool
(1) 4mm Hex-Key Wrench
(1) 14mm Flat Wrench
SPECIFICATIONS
RPM:
11,000 free speed
Motor:
Variable speed, 4 vane, ball bearing air motor
Air Consumption:
7.1 CFM [201 L/min] @ 90 PSI (6.2 bar)
Inlet Thread Size:
1/4” FNPT
Required Cut-Off Wheel size:4” x 5/8” Arbor, minimum 15,000 RPM.
Eastwood #28255, 4” Metal Cut-Off Wheel 1/16th x 5/8 Arbor - 5 Pk. (recommended – not included).
2
Eastwood Technical Assistance: 800.343.9353 >> techelp@eastwood.com
SAFETY INFORMATION
The following explanations are displayed in this manual, on the labeling, and on all other information
provided with this product:
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.
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.
RESPIRATORY HAZARD!
• Dust and fine particulate matter is generated during the sanding process
which can contain toxic substances such as lead, silica, solvents and
others. Breathing this dust and fine particulate matter can cause many
serious respiratory health conditions. Always use NIOSH approved
respiratory protection while using this tool.
EYE INJURY HAZARD!
• Rapidly rotating surfaces can eject metal particles, dirt and oils at high velocity. Always wear ANSI approved eye protection when operating this tool.
HEARING DAMAGE HAZARD!
• The Eastwood Air Cut-Off Tool emits high sound levels while
operating. Use ANSI approved ear protection when operating this tool.
To order parts and supplies: 800.343.9353 >> eastwood.com
3
BURST HAZARD!
• Do not exceed 90 psi (6.2 bar) of tool inlet pressure. Permanent tool damage
and/or bursting could occur and cause personal injury.
INJURY HAZARD!
• This tool has high-speed, highly abrasive cutting 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 will eject a trail of sparks at high speed which can ignite flammable
materials or injure others nearby. Do not operate in the vicinity of flammable
materials and keep all persons and pets away from the work area.
• Do not force tool or exert side forces on Cut-Off Wheel while cutting as
the tool body can suddenly kick back or twist causing severe hand or wrist
injury. Cut-Off Wheels can shatter with excessive side force causing them to
disintegrate and eject sharp pieces at high velocity.
• Always make sure the workpiece being cut is securely clamped or anchored
to avoid sudden movements which could result in injury.
• Frequently inspect Cut-Off Wheel and tool condition. If cracks or chips
develop, discontinue tool use immediately and replace damaged Wheel.
ONLY USE replacement Wheels rated at 11,000 RPM or greater. Severe
injury can result in the event of Cut-Off Wheel failure.
VIBRATION INJURY HAZARD!
• This tool will vibrate during use! Repeated exposure to vibration may cause
physical injury. Always disconnect tool from air supply when changing CutOff Wheels to prevent accidental tool starting and potential severe injury.
4
Eastwood Technical Assistance: 800.343.9353 >> techelp@eastwood.com
INSTALL CUT-OFF WHEEL (NOT INCLUDED)
• Place the included 14mm Flat Wrench on the LockFIG. 1
nut on the Arbor (FIG 1).
• Using the included 4mm Hex Key, loosen the Locking
Socket Head Cap Screw. IMPORTANT NOTE: This
screw is Reverse-Threaded. Use caution not to strip
or break when removing or installing (FIG 1).
• Remove Reverse-Threaded Socket Head Cap Screw
& Washer, Nut and outer Clamping Washer.
• Install Wheel over protruding 5/8” Arbor and inner
Clamping Washer.
• Place outer Clamping Washer over Wheel.
• Replace Nut by holding Arbor still and tighten with 14mm Flat Wrench.
• While still holding the Locknut with the 14mm Wrench, thread in the REVERSE THREADED
Socket Head Cap Screw and snugly tighten (Do Not Over-Tighten).
SET-UP & CONNECTION
FIG. 2
• 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 a suitable 1/4” Male Quick-Disconnect Fitting
(not included) into the air inlet of the tool using TFE
thread sealing tape (not included).
OPERATION
• Rotate the Knob located at the rear of the tool handle and under the Throttle Paddle to regulate
motor speed (FIG 2). This Knob offers 30° of travel. Note that rotating in a Clockwise direction
will result in higher speed while Counter-clockwise will decrease speed.
• Depress Throttle Paddle inward with fingers to operate tool.
• Always maintain a firm grip while operating tool, do not force but allow the rotational speed of
the Cut-Off Wheel to do the work.
• Be sure that the workpiece is clamped down or held securely to minimize the danger of injury
while operating tool.
To order parts and supplies: 800.343.9353 >> eastwood.com
5
FORWARD & REVERSE
FIG. 3
• Rotate the Knob located at the rear, top of the
tool handle to control Forward/Reverse operation
(FIG 3). This knob offers 30° of travel. Note that
rotating the knob in a clockwise direction will allow
the tool to run forward while counter-clockwise will
reverse the wheel rotation direction.
REPLACE CUT-OFF WHEEL (NOT INCLUDED)
• Place the included 14mm Flat Wrench on the Locknut on the Arbor (FIG 1).
• Using the included 4mm Hex Key, loosen the Locking Socket Head Cap Screw.
IMPORTANT NOTE: This screw is Reverse-Threaded. Use caution not to strip or break when
removing or installing (FIG 1).
• Remove Reverse-Threaded Socket Head Cap Screw & Washer, Nut and outer Clamping Washer.
• Remove worn Wheel.
• Install new Wheel over protruding 5/8” Arbor and inner Clamping Washer.
• Place outer Clamping Washer over Wheel.
• Replace Nut by holding Arbor still and tighten with 14mm Flat Wrench.
• While still holding the Arbor from rotating, thread in the REVERSE THREADED Socket Head Cap
Screw and snugly tighten (Do Not Over-Tighten).
USAGE TIPS
• The reversing feature is very useful for controlling the direction of spark-shower discharge.
Plan your tool position and direction of rotation while cutting to minimize and redirect the
spark shower.
• Keep the cutting edge of the Cut-Off Wheel tangent to the work surface whenever possible
to minimize uneven wear or damage and maximize useable wheel life.
MAINTENANCE
• Add several drops of air tool oil before each use by dropping directly into the air inlet.
• If tool is to be unused for an extended period, add 10 drops of air tool oil directly to the air
inlet, rotate the tool motor by hand several times to distribute the oil throughout the motor and
gearbox then store the tool, handle up.
6
Eastwood Technical Assistance: 800.343.9353 >> techelp@eastwood.com
TROUBLESHOOTING
Tool Doesn’t
Respond
to Trigger
Depression
Tool
Performance
is Slow or
Sluggish
Tool Vibrates
Excessively
During Use
Insufficient
volume of air
(CFM) to operate
tool
Verify sufficient air supply to tool. (7.1 CFM @ 90 PSI
minimum requirement.
Moisture or other
contamination in
air supply
Check for moisture in air line and tool air inlet.
Insufficient
volume of air
(CFM) to operate
tool
Verify sufficient air supply to tool. (7.1 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.
Out of balance
condition from
damaged Cutting
Wheel
Stop use immediately, check for and replace cracked
or broken Cutting Wheel.
Loose Locking
Screw
Tighten loose Locking Socket Head Cap Screw.
To order parts and supplies: 800.343.9353 >> eastwood.com
7
ADDITIONAL ITEMS
#28255
#31524
Eastwood 4” Metal Cut-Off Wheels, 1/16th. x 5/8 Arbor - 5 Pk.
1/4” FNPT Type M, Quick Connect Coupler
If you have any questions about the use of this product, please contact
The Eastwood Technical Assistance Service Department: 800.343.9353 >> email: techelp@eastwood.com
PDF version of this manual is available online >> eastwood.com/51680manual
The Eastwood Company 263 Shoemaker Road, Pottstown, PA 19464, USA
US and Canada: 800.343.9353 Outside US: 610.718.8335
Fax: 610.323.6268 eastwood.com
© Copyright 2017 Easthill Group, Inc.
6/17
Instruction item #51680Q
Rev 2