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MGX
User Manual
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Multiquip MGX User Manual

OPERATION AND PARTS MANUAL
MODEL MGX Series
CONCRETE VIBRATOR
Revision #0 (03/26/12)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
NOTES
SILICOSIS/RESPIRATORY WARNINGS
WARNING
SILICOSIS WARNING RESPIRATORY HAZARDS
Grinding/cutting/drilling of masonry, concrete, metal and other materials with silica in their composition may give off dust or mists containing crystalline silica. Silica is a basic component of sand, quartz, brick clay, granite and numerous other minerals and rocks. Repeated and/or substantial inhalation of airborne crystalline silica can cause serious or fatal respiratory diseases, including silicosis. In addition, California and some other authorities have listed respirable crystalline silica as a substance known to cause cancer. When cutting such materials, always follow the respiratory precautions mentioned above.
WARNING
Grinding/cutting/drilling of masonry, concrete, metal and other materials can generate dust, mists and fumes containing chemicals known to cause serious or fatal injury or illness, such as respiratory disease, cancer, birth defects or other reproductive harm. If you are unfamiliar with the risks associated with the particular process and/or material being cut or the composition of the tool being used, review the material safety data sheet and/or consult your employer, the material manufacturer/supplier, governmental agencies such as OSHA and NIOSH and other sources on hazardous materials. California and some other authorities, for instance, have published lists of substances known to cause cancer, reproductive toxicity, or other harmful effects.
Control dust, mist and fumes at the source where possible. In this regard use good work practices and follow the recommendations of the manufacturers or suppliers, OSHA/NIOSH, and occupational and trade associations. Water should be used for dust suppression when wet cutting is feasible. When the hazards from inhalation of dust, mists and fumes cannot be eliminated, the operator and any bystanders should always wear a respirator approved by NIOSH/MSHA for the materials being used.
MGX SERIES • OPERATION AND PARTS MANUAL — REV. #0 (03/26/12) — PAGE 3
TABLE OF CONTENTS
MGX Series Concrete Vibrator
Silicosis/Respiratory Warnings ................................ 3
Table Of Contents .................................................... 4
Parts Ordering Procedures ...................................... 5
Safety Information ................................................6-9
Specifications ........................................................ 10
Dimensions ............................................................ 11
General Information ..........................................12-13
Components .......................................................... 14
Operation ............................................................... 15
Maintenance ..................................................... 16-18
Troubleshooting ..................................................... 19
Explanation Of Code In Remarks Column............. 20
Suggested Spare Parts ......................................... 21
Component Drawings
Motor Assy. ....................................................... 22-23
Shaft/Head Assy. .............................................. 24-27
Terms And Conditions Of Sale — Parts ................ 28
NOTICE
Specifications and part numbers are subject to change without notice.
PARTS ORDERING PROCEDURES
Ordering parts has never been easier!
If you have an MQ Account, to obtain a Username
Effective:
Choose from three easy options:
January 1st, 2006
Best Deal!
Order via Internet (Dealers Only):
Order parts on-line using Multiquip’s SmartEquip website!
■ View Parts Diagrams
■ Order Parts
■ Print Specifi cation Information
Goto www.multiquip.com and click on
Order Parts
to log in and save!
Order via Fax (Dealers Only):
All customers are welcome to order parts via Fax. Domestic (US) Customers dial: 1-800-6-PARTS-7 (800-672-7877)
Order via Phone:
Non-Dealer Customers:
Contact your local Multiquip Dealer for parts or call 800-427-1244 for help in locating a dealer near you.
and Password, E-mail us at: parts@multiquip.
com.
To ob tai n an MQ Ac cou n t, con tac t your District Sales Manager for more information.
Use the internet and qualify for a 5% Discount on Standard orders for all orders which include complete part numbers.*
Fax your order in and qualify for a 2% Discount on Standard orders for all orders which include complete part numbers.*
Domestic (US) Dealers Call:
1-800-427-1244
International Customers should contact their local Multiquip Representatives for Parts Ordering information.
Note: Discounts Are Subject To Change
Note: Discounts Are Subject To Change
❒ Dealer Account Number ❒ Dealer Name and Address ❒ Shipping Address (if different than billing address) ❒ Return Fax Number ❒ Applicable Model Number ❒ Quantity, Part Number and Description of Each Part
www.multiquip.com
MGX SERIES • OPERATION AND PARTS MANUAL — REV. #0 (03/26/12) — PAGE 5
When ordering parts, please supply:
❒ Specify Preferred Method of Shipment: ✓ UPS/Fed Ex ✓ DHL
■ Priority One ✓ Truck
■ Ground
■ Next Day
■ Second/Third Day
NOTICE
All orders are treated as Standard Orders and will
ship the same day if received prior to 3PM PST.
WE ACCEPT ALL MAJOR CREDIT CARDS!
DO NOT operate or service the equipment
before reading the entire manual. Safety
PERSONAL SAFETY
of inattention while operating power tools may result in
Prevent unintentional starting. Ensure the switch is in the off position before connecting to power source, picking
fi nger on the switch or energizing power tools that have
Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a rotating
overreach. Keep proper footing and balance at
all times. This enables better control of the power tool in
Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewelry or long hair can be caught
connected and properly used. Use of dust collection can
precautions should be followed at all times when operating this equipment. Failure to read and understand the safety messages and operating instructions could result in injury to yourself and others.
SAFETY MESSAGES
SAFETY INFORMATION
CAUTION
 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 infl uence of drugs, alcohol or medication. A moment
The four safety messages shown below will inform you about potential hazards that could injure you or others. The safety messages specifi cally address the level of exposure to the operator and are preceded by one of four words:
DANGER, WARNING, CAUTION or NOTICE.
SAFETY SYMBOLS
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
Indicates a hazardous situation which, if not avoided, COULD result in MINOR or MODERATE INJURY.
NOTICE
Addresses practices not related to personal injury.
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..
up or carrying the tool. Carrying power tools with your
the switch on can cause accidents.
part of the power tool may result in personal injury.
 DO NOT
Potential hazards associated with the operation of this equipment will be referenced with hazard symbols which may appear throughout this manual in conjunction with safety messages.
Symbol Safety Hazard
Burn hazards
Electric shock hazards
unexpected situations.
 Dress properly. Do not wear loose clothing or jewelry.
in moving parts.
 If devices are provided for the connection of dust
extraction and collection facilities, ensure these are
reduce dust-related hazards.
SAFETY INFORMATION
GENERAL POWER TOOL SAFETY WARNINGS
 NEVER use accessories or attachments that are not
recommended by Multiquip for this equipment. Damage
keep
Also, know the phone numbers
fi re department.
wear rubber insulated gloves and boots when
holding the fl exshaft during operation. The possibility of
The possibility of electrocution exists causing equipment
carry plugged-in motor with fi nger on the switch.
check the vibrator motor for loosened hardware
overload the motor. It will do a better and safer
WARNING
 Read all safety warnings and all 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.
NOTICE
 The term "power tool" in the warnings refers to your
mains-operated (corded) power tool.
WORK AREA SAFETY
NOTICE
 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 fl ammable 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.
to the equipment and/or injury to user may result.
 ALWAYS know the location of the nearest
fi re extinguisher.
 ALWAYS know the location of the nearest
fi rst aid kit.
 ALWAYS know the location of the nearest phone or
a phone on the job site.
of the nearest ambulance, doctor and This information will be invaluable in the case of an emergency.
MOTOR AND FLEXSHAFT SAFETY
DANGER
 ALWAYS
electrocution exists causing equipment damage and severe bodily harm even death!
ALWAYS clear the work area of any debris, tools, etc.
that would constitute a hazard while the equipment is in operation.
 No one other than the operator is to be in the working
area when the equipment is in operation.
DO NOT use the equipment for any purpose other than
its intended purpose or application.
 This equipment should only be operated by trained and
qualifi ed personnel, 18 years of age and older.
 Whenever necessary, replace nameplate, operation and
safety decals when they become diffi cult read.
 Manufacturer does not assume responsibility for any
accident due to equipment modifi cations. Unauthorized equipment modifi cation will void all warranties.
DANGER
 If applicable, periodically check insulation resistance.
damage and severe bodily harm even death!
WARNING
 NEVER attempt to run the core outside the casing
assembly for any reason.
CAUTION
 DO NOT
 NEVER carry the motor by the cord. Use the carrying
handle.
 ALWAYS
such as nuts and bolts before starting.
 Keep the cord from heat, oil, and sharp objects.
 DO NOT
job at the rate for which it was designed.
MGX SERIES • OPERATION AND PARTS MANUAL — REV. #0 (03/26/12) — PAGE 7
SAFETY INFORMATION
 DO NOT expose vibrator motor to rain.
ELECTRICAL SAFETY
modify the plug
use any adapter plugs with earthed
(grounded) power tools. Unmodifi ed plugs and matching
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
expose power tools to rain or wet conditions.
carrying, pulling or unplugging the power tool. Keep cord away from heat, oil sharp edges or moving parts. Damaged
When operating a power tool outdoors, use an extension cord suitable for outdoor use. Use of a cord suitable for
frame makes grounding unnecessary. However, if parts are replaced with wrong parts or assembled incorrectly,
as a Ground Fault Circuit Interrupter, for the protection
make sure the ON/OFF switch on the electric
motor is in the OFF position when not in use and before
ALWAYS
 DO NOT use vibrator motor in damp or wet locations
without proper electrical circuits.
 DO NOT immerse the motor part in concrete.
 ALWAYS keep clear of rotating or moving parts while
operating the vibrator motor.
 NEVER leave the machine unattended while running.
 ALWAYS disconnect the motor from the power source
when not in use, before servicing, and when changing fl exible shafting and vibrator heads.
 Allow the vibrator motor to cool before
servicing. Contact with hot components can cause serious burns.
 Before each use, ALWAYS check the motor
to make certain that there are no damaged parts and that all parts function properly (such as switch, cord housing). If any damage or malfunctioning parts are found, have them repaired or replaced by an authorized service facility.
NOTICE
 Secure forms. Make sure the form work is well made and
braced to withstand the stresses made by vibration.
 Keep vibrator motor clean for better and safer operation.
CAUTION
 Power tools must match the outlet. NEVER
in any way. DO NOT
outlets will reduce risk of electric shock.
or grounded.
 DO NOT
Water entering a power tool will increase the risk of electric shock.
DO NOT abuse power cord. NEVER use the cord for
or entangled cords increase the risk of electric shock.
outdoor use reduces the risk of electric shock.
 This unit is double-insulated. The double-insulation
between the electric-conducting part and the outside
ALWAYS store equipment properly when it is not being
used. Equipment should be stored in a clean, dry location out of the reach of children and unauthorized personnel.
 Use only factory-authorized replacement parts.
 Store idle vibrator motor. When not in use, motor should
be stored in a dry, safe storage area.
the vibrator may become unsafe to operate. Use only Multiquip recommended replacement parts.
 When applicable, use a protection wiring device, such
of personnel.
 Operate electric motor only at the specifi ed voltage
indicated on the nameplate.
DO NOT spray water onto electric motor.
DO NOT yank the cord to disconnect it from the
receptacle. Grasp the plug itself to disconnect it.
ALWAYS
inserting the power plug into an AC receptacle.
 Before plugging the motor into a power source,
remove any wrenches or other tools from the motor, shaft, and head that were used for assembly.
Power Cord/Cable Safety
 Disconnect the plug from the power source and/or the
tools. Such preventive safety measures reduce the risk
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
Maintain power tools. Check for misalignment or binding
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
accordance with these instructions, taking into account
Use of the power tool for operations different from those
person using only identical replacement parts. This will
pour waste or oil directly onto the ground, down
SAFETY INFORMATION
DANGER
 ALWAYS use a grounded 3-wire extension cord that has
a 3-prong grounding plug, and a 3-pole receptacle that accepts the plug on the concrete vibrator motor. DO NOT
REMOVE THE GROUNDING PIN FROM THE PLUG!
NEVER let power cords or cables lay in water.
NEVER use damaged or worn cables or cords when
connecting equipment to generator. Inspect for cuts in the insulation.
NEVER grab or touch a live power
cord or cable with wet hands. The possibility exists of electrical shock,
electrocution or death.
 Make sure power cables are securely connected.
Incorrect connections may cause electrical shock and damage to the vibrator motor.
CAUTION
 Ensure that cables and cords will not be tripped over.
NOTICE
ALWAYS make certain that proper power or extension
cord has been selected for the job.
 Use only extension cords that are intended for outdoor
use and so marked.
 Use only the gauge wire and length of cord recommended
for the motor size. If in doubt, go to the next heavier gauge. (The smaller the gauge number, the heavier the cord.)
POWER TOOL USE AND CARE
battery pack from the power tool before making any adjustments, changing accessories, or storing power
of starting the power tool accidentally.
dangerous in the hands of untrained users.
of moving parts, breakage of parts and any other condition that may affect the power tool's operation. If
cutting tools with sharp cutting edges are less likely to bind and are easier to control.
 Use the power tool, accessories and tool bits etc. in
the working conditions and the work to be performed.
intended could result in a hazardous situation.
SERVICE
 Have your power tool serviced by a qualifi ed repair
ensure that the safety of the power tool is maintained.
ENVIRONMENTAL SAFETY/DECOMMISSIONING
NOTICE
 DO NOT
a drain or into any water source.
DO NOT force the power tool. Use the correct power tool
for your application. The correct power tool will do the job better and safer 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.
MGX SERIES • OPERATION AND PARTS MANUAL — REV. #0 (03/26/12) — PAGE 9
 Contact your country's Department of Public Works or
recycling agency in your area and arrange for proper disposal of any electrical components, waste or oil associated with this equipment.
 When the life-cycle of this equipment is
over it is recommended that the head casing and all other metal parts be sent to a recycling center.
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