Global Manufacturing Viber Mini Backpack, VMG-1750BP Operating Instructions Manual
Global Manufacturing, Inc.
®
1102 W. Daisy Gatson Bates
Little Rock, Arkansas 72202
501.374.7416 TEL
800.551.3569 TOLL FREE USA & CANADA
www.globalmanufacturing.com
www.viber-vibrators.com
Viber
®
Mini Backpack
Operating Instructions
INTERNAL CONCRETE VIBRATOR
PORTABLE GASOLINE POWERED BACKPACK
VMG-1750BP
SAFETY OPERATION INSTRUCTIONS
Your safety and the safety of the people around you are very important. Operating the
Viber® model VMG-1750BP backpack concrete vibrator system in a safe manner is the duty
of every user.
Certain sections of this manual will contain such key words as DANGER, WARNING and
CAUTION. When you see any of these key words in the manual, please read the information following the key word very carefully.
DANGER, WARNING: Not obeying the instructions followed by these signal words may
lead to death or injury of the operator or those around him.
CAUTION: Not obeying the instructions following this signal can lead to personal injury
or damage to the equipment.
Before you use the VMG-1750BP please read through the entire set of operating instructions
and the Robin owner’s manual provided with each new unit. Both pieces of literature pro-
vide very important information about safety.
CAUTION
DANGER
WARNING
NOISE / SOUND
Hearing protection must be worn.
TABLE OF CONTENTS
I. INTRODUCTION
The Smart Parts
TM
System
Safety Precautions
II. ASSEMBLING YOUR INTERNAL CONCRETE VIBRATOR & QUICK DISCONNECT
III. OPERATION
IV. MOTOR MAINTENANCE
V. PARTS LIST
VI. PERFORMANCE SPECIFICATIONS
VII. TROUBLESHOOTING
VIII. Smart Parts
TM
SYSTEM RECOMMENDATIONS
I. INTRODUCTION
You have purchased a Viber® Gasoline Power Unit, the center of your Smart Parts
TM
Internal Concrete Vibrator system. The other system components include a Viber®
vibrator head and a Viber® reversible flexible drive.
POWER UNIT+ FLEXIBLE DRIVE+ HEAD = Smart Parts
TM
SYSTEM
You build the right Smart PartsTM System for your application by choosing from the
wide range of Viber® components including nine different power options, fourteen
different flexible drives, and twenty different vibrator heads. These components all
use identical fittings so that Viber® components are completely interchangeable.
Any flexible drive can be used with any of the power units and any of the heads.
See Section VIII for recommendations for selecting the best Viber® power unit, head
and flex drive for your application.
When properly used, your Smart PartsTM system will effectively compact concrete
to remove entrapped air, producing high quality concrete that is dense, strong,
durable, and impermeable.
1.
1. Inspect the vibrator system for damage. Never use a damaged vibrator.
2. Have all components of the vibrator system received proper maintenance?
VMG Gasoline Motors: Clean air filter every 25 hours and change engine
oil after every 50 hours of operation. Refer to the Robin Owner’s Manual for a
complete maintenance schedule.
Flexible Shafts: Re-grease core after every 50 hours of use or if core rattles excessively.
Vibrator Head: Monitor bearings. Viber® heads require no lubrication.
3. Are all vibrator system connections tight? Apply Teflon® tape to the casing threads,
before attaching the head, to give a watertight connection.
4. Do you have the proper fuel? Use unleaded gasoline with a pump octane rating of 86
or higher.
5. Check oil level in engine.
II. Assembling Your Internal Concrete Vibrator
& Quick Disconnect
The VMG-1750BP Gasoline Power Unit comes fully assembled except for the throttle control. Mount the throttle control, using the two screws provided, to the holes
located on the lower left side of the frame (when facing the backpack frame from
the rear, engine side). Orient the control so the black knob points outward, FAST is
at the top, and STOP is at the bottom.
All Viber® system components are interchangeable. All flexible drives (cores and
casings) can be used to attach any head to any power unit. For optimum performance and wear consult your Smart Parts™ SYSTEM GUIDE or the table in SECTION
VI for the best combination of components.
1. Attach the flexible drive (casing with lubricated core installed) to the power
unit. The VMG-1750BP comes with a quick disconnect for attaching flexible
drives to the power unit. To attach a quick disconnect drive fitting to the flex
drive, first apply a layer of Teflon® tape to the casing threads, add fitting and
turn it clockwise to tighten. Use a small pipe wrench or channel locks to be
sure the connection is tight. (If you do not have an assembled flex drive, the
core must be lubricated before installing it in the casing. Run the core
through a handful of Viber® Core Grease as it is inserted into the core.
Attach the end of the casing, where the core was inserted, to the quick
disconnect drive fitting.)
2.
CAUTION
CHECK YOUR EQUIPMENT
WARNING
Always be sure the gasoline power unit’s ignition switch is in the “off”
position before assembling or disassembling your system.
WARNING
NEVER attempt to change flexible drives while the engine is running
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