MasterCraft 54-4790-6 Owner's Manual
Multi-attachment Rotary Tool System
54-4790-6
Owner’s Manual
Imported by Trileaf Distribution Trifeuil Toronto, Canada M4S 2B8
SPECIFICATIONS
Motor:
Permanent magnet, 120 V AC, 60 Hz, 2 A
Variable speeds:
5,000 to 35,000 RPM (no load)
Collets:
1/8, 3/32, 1/16" (3, 2.5, 1.5 mm)
Weight:
1 lb 12 oz (780 g)
TOLL FREE HELPLINE 1-800-689-9928
2
Specifications ………….…………………………………………………………………..
1
Table of contents …………………………………………………………………….……
2
Safety warnings …………………………………………………………………………...
3–4
Eye, ear, and lung protection ……………………………………………………. ……..
3–4
Electrical safety ……………………………………………………………….. …………
4
Power tool safety ……………………………………………………………………….…
5–6
General safety rules …………………………………………………………... ………..
5
Work area ………………………………………………………………….…... …………
5
Electrical safety ……………………………………………………………….. …………
5
Personal safety ……………………………………………………………….. ………….
5–6
Use and care of power tools……………………………………………………………..
6
Service …………………………………………………………………………… ……….
6
Specific safety rules ………………………………………………………………………
7
Extension cord safety ……………………………………………………………….……
8
Symbols ……………………………………………………………………………………
9
Diagram and location of parts …………………………………………………………...
10–11
Accessories and Contents …………………………………………………………….. ..
12
Accessories ……………………………………………………………………………….
12
Contents ……………………………………………………………………………………
12–13
Contents of the accessory kit ……………………………………………………………
14–16
Description and use of the accessory kit……………………………………………….
16–17
Assembly and Operating instructions …………………………………………………..
18–35
Changing the collet ……………………………………………………….….…………...
18
Installing accessories …………………………………………………………. ………...
18–19
Connecting the flexible shaft to the tool …………………………………….. ………...
19–20
Changing the collet and accessories in the flexible shaft ……………….…... ………
20
Assembling the rotary tool stand ………………………………………………. ………
21
Installing the right angle attachment ………………………………………… ………...
22–23
Installing the angle guide and the vacuum adapter ………………………………. ….
23–24
Installing the sander attachment …………………………………………….. …………
24–25
Installing sandpaper …………………………………………………………... ………...
26
Installing the pad onto the sander ………………………………………………………
26–27
Sanding wood ……………………………………………………………………………..
27
Sanding tips ……………………………………………………………………………….
27–28
Installing the mini circular saw attachment …………………………………………….
28–29
Installing a saw blade …………………………………………………….….…………...
30
Cutting wood ………………………………………………………………….…………...
31–32
Assembling the LED worklight …………………………………………………………..
32
Selecting the proper speed…………………………….…………………………………
33
Digital motor control ………………………………………………………….…………...
34
ON/OFF switch ……………………………………………………………….…………...
34
Adjusting the speed ………………………………………………………………………
34–35
Speed memory ……………………………………………….…………………………...
35
Maintenance ……………………………………………………………………………….
36
Exploded view ……………………………………………………………………………..
37
Parts list ……………………………………………………………………………………
38
Warranty ……………………………………………………………………….…………..
39
TABLE OF CONTENTS
3
EYE, EAR, AND LUNG PROTECTION
This Owner's Manual contains the following information:
General Safety Rules
Specific Safety Rules and Symbols
Functional Description
Assembly Instructions
Operating Instructions
Maintenance
Accessories
!
WEAR EYE PROTECTION THAT CONFORMS WITH CSA
REQUIREMENTS or ANSI SAFETY STANDARD Z87.1
FLYING DEBRIS can cause permanent eye damage. Prescription
eyeglasses ARE NOT a replacement for proper eye protection.
WARNING: Non-compliant eyewear can cause serious injury if
it breaks while the wearer is operating a power tool.
KEEP THIS OWNER'S MANUAL IN A SAFE PLACE FOR FUTURE REFERENCE
WARNING: Use hearing protection, especially when operating the tool
for an extended period and when performing a noisy operation.
!
SAFETY WARNINGS
CAUTION: Read this Owner's Manual carefully before using this tool or
any of its accessories, and follow all Safety Rules and Operating
instructions.
!
4
ELECTRICAL SAFETY
WARNING: Use proper circuit protection in order to avoid electrical
hazards, fire hazards, or damage to the rotary tool.
This rotary tool is wired at the factory for 110–120 V operation. It must be
connected to a 110–120 V 15 A time-delayed fuse or circuit breaker. In order
to avoid shock or fire, replace the power cord immediately if it is worn, cut, or
damaged in any way.
WEAR A DUST MASK THAT IS DESIGNED TO BE USED WHEN
OPERATING A POWER TOOL IN A DUSTY ENVIRONMENT.
WARNING: Dust that is created by power sanding, sawing, grinding,
drilling, and other construction activities may contain chemicals that are
known to cause cancer, birth defects. or other genetic abnormalities. These
chemicals include:
Lead from lead-based paints
Crystalline silica from bricks, cement, and other masonry products
Arsenic and chromium from chemically-treated lumber
The level of risk from exposure to these chemicals varies according to how
often this type of work is performed. In order to reduce exposure to these
chemicals, work in a well-ventilated area, and use approved safety
equipment, such as a dust mask that is specifically designed to filter out
microscopic particles.
!
SAFETY WARNINGS
5
GENERAL SAFETY RULES
WARNING: Read all instructions
carefully and understand them
completely. Failure to follow all of the
instructions listed below may result in
electric shock, fire, and/or serious personal
injury.
WORK AREA
Keep the work area clean and well lit.
Cluttered benches and dark areas invite
accidents.
Do not operate a power tool in a potentially
explosive environment, such as in the
presence of flammable liquids, gas, or
dust. Power tools create sparks that may
ignite the dust or fumes.
Keep bystanders, children, and visitors
away while operating a power tool.
Distractions can cause the operator to lose
control.
ELECTRICAL SAFETY
Double insulated tools are equipped with a
polarized plug (one blade is wider than the
other). This plug will only fit into a
polarized outlet one way.
If the plug does not fit into the outlet
properly, reverse the plug. If it still does not
fit, contact a qualified electrician in order to
install a polarized outlet. Do not alter the
plug in any way. Double insulation
eliminates the need for the three-pronged
grounded power cord and grounded power
supply system.
Avoid contact between the operator's body
and grounded surfaces such as pipes,
radiators, ranges, and refrigerators. There
is an increased risk of electric shock if the
operator's body is grounded.
Do not expose power tools to rain or wet
conditions. Water entering the power tool
will increase the risk of electric shock.
Do not abuse the cord. Do not use the
power cord to carry the tool or to pull the
plug out of the outlet. Keep the power cord
away from heat, oil, sharp edges, and
moving parts. Replace a damaged power
cord immediately. A damaged power cord
increases the risk of electric shock.
When operating a power tool outdoors,
use an outdoor extension cord that is
marked “W-A” or “W”. These cords are
rated for outdoor use, and they reduce the
risk of electric shock.
PERSONAL SAFETY
Stay alert, be aware of the surroundings,
and use common sense when operating a
power tool. Do not use a power tool while
tired or under the influence of drugs,
alcohol, or medication. A moment of
inattention while operating a power tool
could result in serious personal injury.
Dress properly. Do not wear loose clothing
or jewellery.
Contain long hair. Keep hair, clothing, and
gloves away from moving parts. Loose
clothing, jewellery, or long hair can get
caught in moving parts.
!
POWER TOOL SAFETY
6
PERSONAL SAFETY – cont’d
Avoid accidental start-ups. Verify that the
switch is in the OFF position before
plugging the tool in. Carrying a power tool
with a finger on the switch or plugging in a
tool that has the switch in the ON position
invites accidents.
Remove adjusting keys and wrenches
before turning the tool ON. A wrench or
key that is left attached to a rotating part of
the tool may result in personal injury.
Do not overreach. Keep proper footing and
balance at all times. Proper footing and
balance allows the operator to maintain
better control of the tool in unexpected
situations.
Use safety equipment. Always wear eye
protection.
Use a dust mask, non-skid safety shoes, a
hardhat, or hearing protection when
appropriate.
USE AND CARE OF POWER TOOLS
Use clamps or another practical means to
secure and support the workpiece to a
stable platform. Holding the work in a hand
or against the body is not stable, and may
lead to loss of control.
Do not force the tool. Use the correct tool
for the application. The correct tool will do
the job better and safer when it is used at
the rate that it was designed to work at.
Do not use a power tool if it cannot be
turned ON or OFF using the power switch.
A tool that cannot be controlled using the
switch is dangerous, and must be repaired.
Disconnect the plug from the outlet before
making any adjustments, changing
accessories, or storing the tool. Such
preventive safety measures reduce the risk
of accidental start-ups.
When power tools are not in use, store
them out of the reach of children and other
untrained persons. Tools are dangerous in
the hands of untrained users.
Maintain tools with care. Keep cutting tools
sharp and clean. Properly maintained
cutting tools with sharp cutting edges are
less likely to bind, and are easier to
control.
Inspect the tool for misalignment or binding
of moving parts, broken parts, and any
other condition that may affect the
operation of the tool. If it is damaged, have
the tool serviced before using it. Many
accidents are caused by poorly maintained
tools.
Use only accessories that are
recommended by the manufacturer for this
model. Accessories that are suitable for
one tool may become hazardous when
used with another tool.
SERVICE
Tools must be serviced by qualified
personnel. Service or maintenance
performed by non-qualified personnel
could result in a risk of injury.
When servicing a tool, use only identical
replacement parts. Follow the instructions
in the Maintenance section of this Manual.
The use of unauthorized parts, or failure to
follow the instructions in the Maintenance
section of this Manual may create a risk of
electric shock or injury.
POWER TOOL SAFETY
7
WARNING: For safety reasons,
read this Owner's Manual carefully and
understand it thoroughly before
plugging in the rotary tool.
Hold the tool by the insulated gripping
surfaces when performing any operation
where the cutting tool may coming into
contact with hidden wiring or its own power
cord. Contact with a “live” wire will make
the exposed metal parts of the tool “live”,
which could shock the operator.
Verify that the work surface is free of nails
and other foreign objects. Cutting into a
nail may cause the bit and the tool to jump,
and could damage the bit.
Do not hold the workpiece in one hand and
the tool in the other hand while using the
tool. Do not place the hands near or below
the cutting surface. It is much safer to
clamp the material and to guide the tool
using both hands.
Do not lay the workpiece on a hard surface
such as concrete, stone, etc. The
protruding cutting bit may cause the tool to
jump.
Wear safety goggles and a dust mask.
Work only in a well-ventilated area. Using
personal safety devices and working in a
safe environment reduces the risk of injury.
Verify that the collet nut and all other
adjustment devices are securely tightened
after changing bits and accessories or
making adjustments. Loose adjustment
devices may be thrown violently when the
tool is turned ON.
Be sure to use the correct collet size. If the
collet size is larger than the accessory's
shank, it will not grip the shank properly,
which could result in injury to the operator
or damage to the tool.
Inspect accessory bits, grinding stones,
cut-off wheels, etc. for damage before
each use. A damaged accessory can
break during use, which could cause
serious injury.
Do not use dull or damaged bits. Handle
sharp bits with care. A damaged bit can
snap during use. A dull bit requires more
force in order to push the tool, which could
cause the bit to break.
Do not touch the bit during or immediately
after use. After use, the bit is hot enough
to burn bare skin.
Do not operate the flexible shaft with a
bend radius of less that 6” (15.2 cm). A
shorter bend radius will damage the
flexible shaft and the motor of the rotary
tool.
SPECIFIC SAFETY RULES
!
8
WARNING: Keep the extension
cord clear of the work area. Position the
cord so that it will not get caught on the
workpiece, a tool, or any other obstruction
while the power tool is in use.
If an extension cord is used with this rotary
tool, verify that it is in good condition.
When using an extension cord, be sure to
use one that is heavy enough to carry the
current that the tool will draw. An
undersized cord will cause a drop in line
voltage, which will result in a loss of power
and overheating.
The following table shows the correct size
to use according to cord length and the
amperage rating that is listed ton the tool's
nameplate. When in doubt, use the next
heavier gauge. The smaller the gauge
number, the heavier the cord.
Verify that the extension cord is properly
wired and in good condition. Replace a
damaged extension cord immediately, or
have it repaired by a qualified electrician
before using it. Keep the extension cord
away from sharp objects, excessive heat,
and damp or wet areas.
Use a separate electrical circuit for power
tools. This circuit must consist of not less
than 14 gauge wire, and should be
protected by either a 15 A time-delayed
fuse or a circuit breaker. Before connecting
the power tool to the outlet, verify that the
switch is in the OFF position, and that the
voltage of the power source is the same as
the voltage that is indicated on the tool's
nameplate. Running this rotary tool at
lower voltage will damage the motor.
MINIMUM GAUGE (AWG) EXTENSION
CORDS
(120 V use only)
Ampere Rating
Total length in feet
More
Than
Not
More
Than
25’ 50’ 100’ 150’ 0 6
18
16
16
14 6 10
18
16
14
12
10
12
16
16
14
12
12
16
14
12
Not Applicable
!
EXTENSION CORD SAFETY
9
V
Volts
A
Amperes
Hz
Hertz
W
Watts
kW
Kilowatts
Microfarads
L
Litres
kg
Kilograms
H
Hours
N/cm2
Newtons per square
centimeter
Pa
Pascals
Min
Minutes
S
Seconds
Alternating current
Three-phase alternating
current
Three-phase alternating
current with neutral
Direct current
No load speed
Alternating or direct
current
Class II construction
Splash-proof
construction
Watertight construction
Protective grounding at
earthing terminal, Class I
tools
Revolutions or
reciprocations per
minute
Diameter
Off position
Arrow
Warning symbol
WARNING: Some of the following symbols may appear on the rotary
tool. Study these symbols and learn their meaning. Proper interpretation of
these symbols will allow for more efficient and safer operation of this tool.
!
SYMBOLS
This symbol indicates that this
tool is listed by Underwriters
Laboratories as meeting both
Canadian and U.S.
requirements.
10
DIAGRAM AND LOCATION OF PARTS
Rotary tool
clamp
Release
lever
Carry bag
Accessory
storage trays
Rotary tool
hanger
Bit storage
Flexible shaft
hanger
Flexible shaft
locking collar
Motor
controls
Rotary
tool
Spindle
lock
Spindle
nut
Collet
nut
Flexible shaft
collet nut
Flexible shaft
mounting nut
Flexible shaft
Cooling
vents
11
DIAGRAM AND LOCATION OF PARTS
Connecting
adapter
Blade
guard
Mini circular saw
attachment
Right angle
attachment
Vacuum
adaptor
Sanding
attachment
LED
worklight
Connecting
collar
Height
adjusting screw
Rotary tool
connector
Angle adjustment
screw
Angle guide
Clamping
lever
Guard
rotation lock
ON/OFF
button
12
AVAILABLE ACCESSORIES
WARNING: Use only accessories
that are recommended for this rotary
tool. Follow the instructions that
accompany the accessories. The use of
improper accessories may result in
injury to the operator or damage to the
rotary tool.
Before using any accessory, carefully read
the instructions or the owner’s manual for
the accessory.
● Grinding stones
● Cut-off wheels
● Polishing wheels
● Wire brushes
● Bristle brushes
● Sanding drums
● Cutting bits
● Drill bits
● Dressing stones
WARNING: If any part is missing or
damaged, do not plug the rotary tool into
the outlet until the missing or damaged
part has been replaced.
CONTENTS
Carefully unpack the rotary tool and all of
its components. Compare the contents
against the following chart entitled “Rotary
Tool Components”.
NOTE: See the illustrations of the rotary
tool and accessories on the following
pages.
WARNING: In order to avoid the risk
of fire or toxic reaction, do not use
gasoline, naphtha, acetone, lacquer
thinner, or similar highly volatile solvents to
clean the rotary tool.
! ! !
ACCESSORIES AND CONTENTS
ROTARY TOOL COMPONENTS
KEY
DESCRIPTION
QTY
A
Rotary cutting tool
1
B
Detail sanding pad
1
C
Contour sanding pads
● Wedge
● Convex
● Concave
1 1 1
D
Batteries for the LED
worklight
2
E
Stand assembly
1
F
LED worklight assembly
1
G
Flexible shaft
1
H
Slide-out storage
containers with
accessories
● See the following
pages for the list of
accessories
2
I
Tote bag
1
J
Angle attachment with
vacuum adaptor
1
K
Circular saw attachment
1
L
Sander attachment
1
M
Right angle attachment
1
Owner’s Manual
(not shown)
1
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