model no. 054-5849-4
LOW GEAR MIXER
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
Key Parts Diagram 9
Assembly Instructions 10
Operating Instructions 11
Maintenance 12
Troubleshooting 13
Parts List 14
Warranty 16
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 power input 9A
Rated voltage 120 V~, 60 Hz
No-load speed 0–600 RPM
Keyed chuck 1/2" (13 mm)
Tool weight 6 lb 12 oz (3.05 kg)
Noise level 87.8 dB(A)
SAFETY GUIDELINES
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 mixer before
using. Keep this 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
GENERAL POWER TOOL SAFETY WARNINGS
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 the 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 tool 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 a power source and/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 these 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.
SAFETY GUIDELINES FOR MIXER
• Use auxiliary handle(s), if supplied with the tool. Loss of control can cause personal
injury.
• Hold the power tool by its insulated gripping surfaces when performing an operation
where the cutting accessory may contact hidden wiring or its own cord. Cutting
accessory contacting a “live” wire may make exposed metal parts of the power tool “live” and
could give the operator an electric shock.
• Keep hands away from rotating parts.
• Do not leave the tool running. Operate the tool only when it is securely hand-held.
• Protect your hearing. Wear appropriate personal hearing protection during use. Under some
conditions and duration of use, noise from this product may contribute to hearing loss.
SAFETY GUIDELINES
SAFETY GUIDELINES
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PACKAGE CONTENTS:
Low gear mixer, auxiliary handle, chuck key, rear D-handle, locking screw and instruction manual.
KEY PARTS DIAGRAM
1
7
8
6
9
3
4
2
5
No. Description No. Description
1 Auxiliary handle 6 Speed-adjustment dial
2 Rear D-handle 7 Direction-of-rotation lever
3 Locking screw 8 Chuck
4 Lock-on button 9 Chuck key
5 Variable-speed trigger switch
• 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.
.............. WARNING – To reduce the risk of injury always wear eye protection.
.............. WARNING – To reduce the risk of injury always wear ear protection.
WARNING!
• Remove the mixer from the package and examine it carefully. Do not discard the carton
or any packaging material until all parts have been examined.
SAFETY GUIDELINES
KEY PARTS DIAGRAM
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ASSEMBLY INSTRUCTIONS
INSTALLING AUXILIARY HANDLE
Securely screw the auxiliary handle onto the tool. The auxiliary handle may be installed at any of three
different positions on the mixer body.
REAR D-HANDLE
(fig 1)
The rear D-handle can be swivelled and locked into any
of 8 positions, 360° around the back of the tool.
To adjust the rear D-handle:
Remove the locking screw by rotating it counterclockwise.
Attach the rear D-handle to the desired position and
secure it with the locking screw.
INSTALLING OR REMOVING PADDLE BIT
(fig 2)
To install a paddle bit:
1. Open chuck jaws fully and place the paddle bit in
the chuck as far as it will go.
2. Tighten the chuck by hand. Place the chuck key in
each of the three holes and tighten it clockwise.
Be sure to tighten all three chuck holes evenly.
To remove a paddle bit
1. Turn the chuck key counter-clockwise in only one hole, then loosen the chuck by hand.
2. Remove the paddle bit.
OPERATING INSTRUCTIONS
VARIABLE-SPEED TRIGGER SWITCH
To turn the mixer on, press the trigger switch.
To turn the mixer off, release the trigger switch.
The variable-speed trigger switch delivers higher speed with increased trigger pressure and lower
speed with decreased trigger pressure.
LOCK-ON BUTTON
To operate continuously, press and hold the trigger switch and then press the lock-on button. Release
the trigger switch.
To unlock the lock-on button and stop continuous operation, press the trigger switch and the lock-on
button will release automatically.
SPEED-ADJUSTMENT DIAL
For working at low speed, turn the dial to the “-” position.
For working at high speed, turn the dial to the “+” position.
DIRECTION-OF-ROTATION SELECTOR
(fig 3)
The direction of bit rotation is reversible and is
controlled by a selector located above the trigger
switch.
With the mixer held toward you:
• Position the direction-of-rotation selector to the
right of the tool for forward rotation.
• Position the direction-of-rotation selector to the
left of the tool for reverse rotation.
Change the direction of rotation only when the tool
comes to a complete stop. Changing it before the tool
stops may damage the tool.
MIXING
(fig 4)
1. Install a paddle bit (not supplied) into the chuck.
2. Place the paddle bit into the compound and slowly
depress the trigger switch. As mixing begins,
increase the speed of the mixer. Use the auxiliary
handle for increased control.
OPERATING INSTRUCTIONS
WARNING!
• To prevent accidental starting that could cause serious personal injury, always disconnect the tool
from the power supply when assembling parts, making adjustments, installing or removing bits,
cleaning, or when the mixer is not in use.
ASSEMBLY INSTRUCTIONS
fig 2
NOTICE: The rear D-Handle is not to be used as an auxiliary handle to resist torque reactions.
Reverse
Speed
adjustment
dial
Directionof-rotation
selector
Forward
fig 3
fig 4
fig 1
Rear D-handle
Auxiliary handle
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MAINTENANCE
BEFORE EACH USE
1. Inspect the low gear mixer, the on/off switch, the cord and the accessories for damage.
2. Check for damaged, missing, or worn parts.
3. Check for loose screws, misalignment or binding of moving parts, or any other condition that may
affect the operation.
4. If abnormal vibration or noise occurs, turn the tool off immediately and have the problem corrected
before further use.
5. Unplug the tool from power source before cleaning or performing any maintenance. Using
compressed air may be the most effective cleaning method. Always wear safety goggles when
cleaning tools using compressed air.
LUBRICATION
All of the bearings in this tool are lubricated with a sufficient amount of high-grade lubricant for the life
of the unit under normal conditions. Therefore, no further lubrication is required.
CHUCK REMOVAL
(fig 5)
1. Unplug the mixer from the power source.
2. Open chuck jaws fully. Insert a screwdriver into
front of chuck between jaws to engage the screw
head. Remove the screw by turning it clockwise
(left-hand thread).
3. Insert a 5/16" (8 mm) or larger hex key into the
chuck and securely tighten the chuck jaws.
4. Tap the hex key sharply with a mallet in a
counter-clockwise direction. This will loosen the chuck for easy removal. The chuck can now be
unscrewed by hand and removed from the spindle.
TROUBLESHOOTING
Problem Possible Causes Solution
The motor is overheating Cooling vents are obstructed Clean and clear vents. Do not cover with
hand during operation
If the problem remains unsolved after performing the checks described above, call the toll-free helpline
at 1-800-689-9928.
MAINTENANCE
TROUBLESHOOTING
WARNING!
• Do not let brake fluids, gasoline and petroleum-based products, penetrating oil, etc. come into contact
with plastic parts. These substances contain chemicals that can damage, weaken, or destroy plastic.
• When servicing, use only identical replacement parts. The use of any other parts may create a hazard
or cause damage to the product.
• Use only accessories that are recommended for this mixer by the manufacturer. Accessories that may
be suitable for one tool may become hazardous when used with another tool.
• If the supply cord is damaged, it must be replaced by a specially-prepared cord available through the
service organization.
• To ensure safety and reliability, all repairs should be performed by a qualified service technician.
fig 5
Mallet
Hex wrench
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EXPLODED VIEW
No. Part No. Description No. Part No. Description
1 054584901 Output shaft 24 054584924 Screw
2 054584902 Semi-circular key 25 054584925
Inside cover for back
handle
3 054584903 Screw 26 054584926 Cable pressing board
4 054584904 Gear box 27 054584927 Switch
5 054584905 Bearing 28 054584928 Cable
6 054584906 Elastic collar 29 054584929 Cable sleeve
7 054584907 Elastic collar 30 054584930 Handle cover
8 054584908 Gear for output shaft 31 054584931 Brush hold sets
9 054584909 Bearing 32 054584932 Brush hold sets
10 054584910 Auxiliary handle 33 054584933 Carbon brush
11 054584911 Ring 34 054584934 Middle cover
12 054584912 Bearing 35 054584935 Bearing
13 054584913 Fan guide 36 054584936 Pin
14 054584914 Rotor 37 054584937 Sealed washer
15 054584915 Insulation ring 38 054584938 Elastic collar
16 054584916 Bearing 39 054584939
Big gear for main
driving shaft
17 054584917 Rubber cover 40 054584940 Elastic collar
18 054584918 Stator 41 054584941
Big gear for sub-driving
shaft
19 054584919 Motor housing 42 054584942 Main driving shaft
20 054584920 Screw 43 054584943 Sub-driving shaft
21 054584921
Back cover for motor
housing
44 054584944 Chuck
22 054584922 Locking screw 45 054584945 Key
23 054584923 Rear handle 46 054584946
Counter-clockwise
screw
If any parts are missing or damaged, or if you have any questions, please call the toll-free helpline at
1-800-689-9928.
PARTS LIST
PARTS LIST
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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 date 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 reasonable 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 apply where damage is caused by repairs made or attempted by others (i.e.
persons not authorized by the manufacturer);
f) this warranty will not apply 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 any 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.
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.
Made in China
Imported by
Mastercraft Canada Toronto, Canada M4S 2B8
WARRANTY
WARRANTY
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