model no. 054-7240-8
3 X 21" BELT SANDER
IMPORTANT:
Read and understand this instruction manual thoroughly before
using the product.
INSTRUCTION
MANUAL
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TABLE OF CONTENTS
Technical Specifications 4
Safety Guidelines 5–8
Key Parts Diagram 9–10
Important Information 11
Assembly Instructions 12–13
Operating Instructions 14
Maintenance 15
Troubleshooting 16
Part list 17–18
Warranty 19–20
NOTE: If any parts are missing or damaged, or if you have any
questions, please call our toll-free helpline at 1-800-689-9928
SAVE THESE INSTRUCTIONS
• This manual contains important safety and operating
instructions. Read all instructions and follow them with
use of this product.
TABLE OF CONTENTS
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TECHNICAL SPECIFICATIONS
TECHNICAL SPECIFICATIONS
Rated voltage 120V~, 60Hz
Rated power input 6.0 A
Belt speed 600–1100 ft/min
Belt size 3 x 21"
Net weight 7 lb 1 oz (3.2 kg)
RULES FOR SAFE OPERATION
WARNING!
Safety symbols in this Instruction Manual are used to flag possible dangers. The safety symbols
and their explanations require your full understanding. The safety warnings do not, by themselves,
eliminate any danger, nor are they substitutes for proper accident prevention measures.
WARNING!
This Safety Alert Symbol indicates caution, warning, or danger. Failure to obey a safety warning
can result in serious injury to yourself or others. To reduce the risk of injury, fire, or electric shock,
always follow the safety precautions.
KNOW YOUR TOOL
To operate this tool, carefully read this Instruction Manual and all labels affixed to the Belt Sander before using.
Keep this Instruction Manual available for future reference.
IMPORTANT
This tool should only be serviced by a qualified service technician. For more information, call the toll-free
helpline at 1-800-689-9928.
READ ALL INSTRUCTIONS THOROUGHLY
SAVE THESE INSTRUCTIONS
SAFETY GUIDELINES FOR POWER TOOLS
WARNING!
Read all safety warnings and instructions. Failure to follow the warnings and instructions may
result in electric shock, fire and/or serious injury.
SAVE ALL WARNINGS AND INSTRUCTIONS FOR FUTURE REFERENCE.
The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated
(cordless) power tool.
WORK AREA SAFETY
• Keep work area clean and well lit. Cluttered or dark areas invite accidents.
• Do not operate power tools in explosive atmospheres, such as in the presence of flammable
liquids, gases or dust. Power tools create sparks, which may ignite the dust or fumes.
• Keep children and bystanders away while operating a power tool. Distractions can cause you to
lose control.
SAFETY GUIDELINES
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ELECTRICAL SAFETY
• Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter
plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of
electric shock.
• Avoid body contact with earthed or grounded surfaces such as pipes, radiators, ranges and
refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.
• Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the
risk of electric shock.
• Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep the
cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of
electric shock.
• When operating a power tool outdoors, use an extension cord suitable for outdoor use. Use of a
cord suitable for outdoor use reduces the risk of electric shock.
• If operating a power tools in a damp location is unavoidable, use a ground-fault circuit
interrupter (GFCI) protected supply. Use of a GFCI reduces the risk of electric shock.
PERSONAL SAFETY
• Stay alert, watch what you are doing and use common sense when operating a power tool. Do
not use a power tool while you are tired or under the influence of drugs, alcohol or medication. A moment of
inattention while operating power tools may result in serious personal injury.
• Use personal protective equipment. Always wear eye protection. Protective equipment such as dust
mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce
personal injuries.
• Prevent unintentional starting. Ensure that the switch is in the off-position before connecting to power
source or battery pack, picking up or carrying the tool. Carrying power tools with your finger on the switch
or energising power tools that have the switch on invites accidents.
• Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left
attached to a rotating part of the power tool may result in personal injury.
• Do not overreach. Keep proper footing and balance at all times. This enables better control of the
power tool in unexpected situations.
• Dress properly. Do not wear loose clothing or jewellery. Keep your hair, clothing and gloves
away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts.
• If devices are provided for the connection of dust extraction and collection facilities, ensure that
these are connected and properly used. Use of dust collection devices can reduce dust-related hazards.
POWER TOOL USE AND CARE
• Do not force the power tool. Use the correct power tool for your application. The correct power tool will
do the job better and more safely at the rate for which it was designed.
• Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be
controlled with the switch is dangerous and must be repaired.
• Disconnect the plug from the power source and/or the battery pack from the power tool before
making any adjustments, changing accessories, or storing power tools. Such preventive safety
measures reduce the risk of starting the power tool accidentally.
• Store idle power tools out of the reach of children and do not allow persons unfamiliar with the
power tool or these instructions to operate the power tool. Power tools are dangerous in the hands
of untrained users.
• Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts and any
other condition that may affect the power tool’s operation. If damaged, have the power tool repaired before
use. Many accidents are caused by poorly maintained power tools.
• Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less
likely to bind and are easier to control;
• Use the power tool, accessories, tool bits, etc. in accordance with these instructions, taking into
account the working conditions and the work to be performed. Use of the power tool for operations
different from those intended could result in a hazardous situation.
SERVICE
• Have your power tool serviced by a qualified repair person using only identical replacement
parts. This will ensure that the safety of the power tool is maintained.
SPECIFIC SAFETY RULES FOR BELT SANDER
• Hold the power tool by insulated gripping surfaces when performing an operation where the
cutting accessory may contact hidden wiring or its own cord. If a cutting accessory contacts a “live”
wire, it may cause the exposed metal parts of the power tool to become“live” and shock the operator.
• The label on your tool may include the following symbols. The symbols and their definitions are
as follows:
V ..................... Volts
A ..................... Amperes
Hz ................... Hertz
W .................... Watts
min ................. Minutes
............... Alternating current
............. Direct current
n
0
................... No-load speed
............... Class II Construction
…/min ........... Revolutions or reciprocation per minute
............... Grounding terminal
BPM ............... Beats per minute
.............. WARNING – To reduce the risk of injury, user must read instruction manual.
SAFETY GUIDELINES
SAFETY GUIDELINES
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PACKAGE CONTENTS
Belt sander, dust bag, fine belt, coarse belt and instruction manual
KEY PARTS DIAGRAM
2
1
7
6
5
9
3
8
4
• A suitable breathing respirator must be worn while sanding lead paint, some woods and metal
to avoid breathing the harmful/toxic dust or air.
• Always wear safety goggles and a dust mask when sanding, especially sanding over-head.
• The machine is not suitable for wet sanding.
• Do not use sanding paper larger than needed. Extra paper extending beyond the sanding pad can also
cause serious lacerations.
• Secure the workpiece. A workpiece clamped with clamping devices or in a vice is held more securely
than by hand.
• Wear protective gloves when changing cutting tools. Cutting tools become hot after prolonged usage.
WARNING!
• Remove the sander from the package and examine it carefully. Do not discard the carton
or any packaging material until all parts have been examined.
KEY PARTS DIAGRAM
SAFETY GUIDELINES
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No. Part No. Part
1 ON/OFF 2-finger trigger switch 6 Belt adjustment knob
2 “Lock-ON” button 7 3-position adjustable handle
3 Adjustable belt speed knob 8 Cord guard
4 Quick release tension lever 9 Dust collection bag
5 Sander belt
IMPORTANT INFORMATION
Before attempting to use this sander, familiarize yourself with all its operating features and safety
requirements.
This sander is designed to sand wood surfaces, remove lacquer, varnish and other types of coating.
ADJUSTABLE BELT SPEED KNOB
Rotate the adjustable belt speed knob to select the desired speed necessary for the at-hand application.
QUICK RELEASE TENSION LEVER
Lift lever for fast and easy belt adjustments.
DUST COLLECTION BAG
When sanding, attach the dust bag to the sander.
IMPORTANT INFORMATION
KEY PARTS DIAGRAM
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ASSEMBLY INSTRUCTIONS
SANDER BELT (fig 1)
To install belt:
1. Place sander on its side and pull the quick release
tension lever out, as shown in fig 1.
2. Insert the new belt around both rollers. Ensure the
arrow on the inside of belt is pointing in the direction
of rotation as indicated on housing.
3. Once the belt is centred over the rollers and bottom
plate, place quick release tension lever back in its
original position to restore belt tension.
To remove belt:
1. Place the sander on its side and rotate the quick-release lever away from the sander, as shown in fig.1.
2. With the sander on its side and the open side facing you, you can easily remove the belt.
BELT ADJUSTMENT KNOB (fig 2)
Your sander features an automatic belt-control system
that helps to keep the belt running in the centre of the
rollers. The system has been preset at the factory, but
may require adjustment to avoid frayed belt edges and
wear on the sander frame when a belt is changed or an
older belt stretches.
To adjust the belt (if necessary)
1. Plug in the cord with the tool OFF.
2. Hold handle of the sander with one hand and tilt the
sander so that the belt is facing the operator.
3. Squeeze trigger switch to begin rotation of the belt.
4. Turn the belt adjustment knob counterclockwise to
move the belt away from the sander motor. Turn the
belt adjustment knob clockwise to move it towards
the sander motor.
5. Release the trigger switch and make sure that the
belt has come to a complete stop before setting the
tool down.
3-position adjustable handle
Rotate the handle knob and position handle to one of the three positions. Tighten the knob to secure handle in
place (see fig 3).
INSTALLING AND REMOVING THE
DUST COLLECTION BAG
To install: Align the edge of dust port with the slot of
dust bag outlet. Insert into tool until firmly seated (see
fig 4).
To remove: Lift dust bag outlet up, and gently pull on
dust bag.
To clean the dust bag: Empty the dust bag by
unzipping the lever lock (see B in fig 5) located on
bottom of the bag, gently tap to remove dust.
Occassionally, slip the bag off of the frame and turn bag
inside out. Brush dust off of the lining using a soft brush.
ASSEMBLY INSTRUCTIONS
ASSEMBLY INSTRUCTIONS
fig 1
fig 2
fig 4
WARNING!
• Always disconnect the sander from its power supply before attaching or removing
sandpaper.
fig 3
Handle Knob
fig 5
B
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OPERATING INSTRUCTIONS
TURNING THE SANDER ON AND OFF
The tool can be turned “ON” or “OFF” by squeezing or releasing the trigger.
“LOCK-ON” BUTTON
1. The tool is also equipped with a “Lock-ON” button that allows continuous operation without continually
holding the trigger.
2. To lock switch “ON”: Squeeze trigger, depress the “Lock-ON” button, and release trigger.
3. To unlock switch: Squeeze trigger, then release trigger without depressing the “Lock-ON” button.
GENERAL SANDING
1. Be sure the cord is clear of the belt. Grasp the handles firmly.
2. Start the sander off of the work surface to avoid gouging the belt. NEVER start or stop the sander with the
belt in contact with the work surface.
3. Place the heel of the sander on the work surface first. Then, with a forward motion, begin the sanding
stroke as the tool is lowered onto the work surface.
4. Use short, overlapping strokes, moving the sander slowly back and forth across the work surface.
5. Avoid tilting or rocking the sander or sanding in one spot for too long. This causes gashes and hollows in
the surface. Do not apply pressure to the sander. The sander is the weighted for the pressure needed. Too
much pressure will overload the motor and reduce the belt speed.
6. Begin sanding with a coarser grit sandpaper and gradually use finer grits, until the desired finish is
achieved. Do not switch from a coarse grit to a very fine grit in one step.
7. To stop, lift the sander from the work surface, then turn the sander OFF. Disengage the Lock-ON button.
Allow the sander to come to a complete stop before setting it down. A moving belt will cause the sander to
“run away” even if the motor is off.
MAINTENANCE
Before cleaning or performing any maintenance, make sure the sander has been disconnected from the power
supply. Keep all ventilation openings clean. Avoid using solvents when cleaning plastic parts. Most plastics are
susceptible to damage from various types of commercial solvents and may be damaged by their use. Use a
clean cloth to remove dirt, oil and grease.
OPERATING INSTRUCTIONS
MAINTENANCE
WARNING!
• Before sanding small workpieces, ensure workpiece is securely held in a vise or clamp.
• Sanding can produce clouds of fine dust particles that can ignite in the presence of sparks
or an open flame. To avoid injury, always use your sander in a well-ventilated area.
• For your safety and to avoid damage, turn the sander ON and OFF only when the sander is
not in contact with a surface.
WARNING!
• Do not let brake fluids, gasoline, petroleum-based products, penetrating oil, etc., come
in contact with plastic parts. They contain chemicals that can damage, weaken or
destroy plastic.
• To ensure safety and reliability, all repairs should be performed by a qualified service
technician.
• If the power cord is damaged, it must be replaced with an identical replacement part
and be installed by an authorized service technician.
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TROUBLESHOOTING
Problem Possible Causes Solution
The belt sander does not work
The sander is not connected to a
power source
Connect the plug to a power source
If any parts are missing or damaged, or if you have any questions, please call the Toll-free Helpline,
at 1-800-689-9928.
EXPLODED VIEW
PART LIST
TROUBLESHOOTING
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No. Part No. Description No. Part No. Description
1 2740085000 Stator 34 3660131000 Spring
2 2750093000 Rotor 35 3660242000 Spring
3 2800026000 Brush Holder 36 3700145000 Washer A
4 2820230000 Bracket Assembly 37 3700183000 Washer C
5 2820334000 Internal Wire Assembly 1 38 3700487000 Epoxy Board
6 3120234000 Cord Anchorage 39 3700564000 Belt Control Plate
7 3120398000 Front Pulley 40 3700566000 Mounting Plate
8 3120516000 Lock Button 41 3700629000 Front Pulley Bracket
9 3121011000 Cord Guard 42 4810002000 Power Cord & Plug
10 3121026000 Bearing Holder 43 4870305000 Switch
11 3121034000 Timing Belt 44 4900036000 Speed Adjustor
12 3128299000 Rubber Bushing 45 4960010000 Carbon Brush
13 3121102000 Left Housing 46 4970057000 Inductor Assembly
14 3121103000 Belt Cover 47 4970273000 Capacitor
15 3121106000 Fan Baffle 48 5610006000 Tapping Screw
16 3121107000 Mounting Cover 49 5610024000 Tapping Screw
17 3121113000 Lever 50 5610034000 Tapping Screw
18 3121115000 Front Handle Cover 51 5610049000 Tapping Screw
19 3320165000 Right Housing 52 5610093000 Tapping Screw
20 3320166000 Middle Housing 53 5610106000 Tapping Screw
21 3320182000 Front Handle 54 5630011000 Hexagon Nut
22 3400036000 Lock Knob 55 5650017000 Plain Washer
23 3400037000 Adjusting Knob 56 5650038000 Plain Washer
24 3420101000 Big Belt Pulley 57 5650048000 Wave Washer
25 3420102000 Small Belt Pulley 58 5650049000 Plain Washer
26 3420308000 Mounting 59 5650050000 Plain Washer
27 3420309000 Rear Pulley 60 5660029000 E Ring
28 3520032000 Gear 61 5680017000 Rivet
29 3550143000 Front Pulley Shaft 62 5700004000 Ball Bearing
30 3550145000 Gear Shaft 63 5700005000 Ball Bearing
31 3550331000 Rear Pulley Shaft 64 5700006000 Ball Bearing
32 3660129000 Spring 65 5700031000 Needle Bearing
33 3660130000 Spring
If any parts are missing or damaged, or if you have any questions, please call the Toll-free Helpline,
at 1-800-689-9928.
This Mastercraft product is guaranteed for a period of 3 years from the date of original retail purchase
against defects in workmanship and materials, except for the following components:
a) Component A: Batteries, chargers and carrying case, which are guaranteed for a period of 2 years from the
date of original retail purchase against defects in workmanship and materials;
b) Component B: Accessories, which are guaranteed for a period of 1-year from the date of original retail
purchase against defects in workmanship and materials.
Subject to the conditions and limitations described below, this product, if returned to us with proof of purchase
within the stated warranty period and if covered under this warranty, will be repaired or replaced (with the
same model, or one of equal value or specification), at our option. We will bear the cost of any repair or
replacement and any costs of labour relating thereto.
These warranties are subject to the following conditions and limitations:
a) a bill of sale verifying the purchase and purchase da te must be provided;
b) this warranty will not apply to any product or part thereof which is worn or broken or which has become
inoperative due to abuse, misuse, accidental damage, neglect or lack of proper installation, operation or
maintenance (as outlined in the applicable owner’s manual or operating instructions) or which is being
used for industrial, professional, commercial or rental purposes;
c) this warranty will not apply to normal wear and tear or to expendable parts or accessories that may be supplied
with the product that are expected to become inoperative or unusable after a seasonable period of use;
d) this warranty will not apply to routine maintenance and consumable items such as, but not limited to, fuel,
lubricants, vacuum bags, blades, belts, sandpaper, bits, fluids, tune-ups or adjustments;
e) this warranty will not a pply where damage is caused by repairs made or attempted by others (i.e. persons
not authorized by the manufacturer);
f) this warranty will not a pply to any product that was sold to the original purchaser as a reconditioned or
refurbished product (unless otherwise specified in writing);
g) this warranty will not apply to any product or part thereof if an y part from another manufacturer is installed
therein or any repairs or alterations have been made or attempted by unauthorized persons;
h) this warranty will not apply to normal deterioration of the exterior finish, such as, but not limited to, scratches,
dents, paint chips, or to any corrosion or discolouring by heat, abrasive and chemical cleaners; and
i) this warranty will not apply to component parts sold by and identified as the product of another company,
which shall be covered under the product manufacturer’s warranty, if any.
PART LIST
WARRANTY
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Additional Limitations
This warranty applies only to the original purchaser and may not be transferred. Neither the retailer nor the manufacturer
shall be liable for any other expense, loss or damage, including, without limitation, any indirect, incidental, consequential
or exemplary damages arising in connection with the sale, use or inability to use this product.
Notice to Consumer
This warranty gives you specific legal rights, and you may have other rights, which may vary from province to
province. The provisions contained in this warranty are not intended to limit, modify, take away from, disclaim
or exclude any statutory warranties set forth in any applicable provincial or federal legislation.
IMPORTED BY MASTERCRAFT CANADA TORONTO, CANADA M4S 2B8
WARRANTY
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