LS Industrial Systems MB-2000 User manual

LS Industries, Inc. 710 E 17th St Wichita, KS 67214 USA
www.lsindustries.com
MB-2000
MINI BLASTER
Instruction Manual & Parts List

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LS Industries, 2012
710 E 17th St
Wichita, KS 67214
Phone [phone] • Fax [phone]
www.lsindustries.com

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Table of Contents
1. About the Mini Blaster.......................................... 1
2. Safety Considerations............................................ 2
3. Installation............................................................ 6
4. Shot Selection........................................................ 8
5. Operation............................................................... 9
6. Maintenance.......................................................... 12
7. Troubleshooting.................................................... 16
8. Warranty................................................................ 17
9. Appendix............................................................... 18

ABOUT THE MINI BLASTER
1
The MB-2000
he LS MB-2000 mini blaster is an airless shot blasting machine
designed to rapidly and economically remove paint, scale, rust and
other surface imperfections from a variety of forgings, castings,
welded assemblies and other small metal parts. The combined blaster and
dust collector give the power of a shot blasting system without the space
and cost requirements of a dedicated dust collection system.
The MB-2000 mini blaster is capable of quickly and efficiently cleaning
small metal parts because the abrasive used in the machine is constantly
recycled. After shot is thrown toward these parts inside the blast chamber,
it is channeled back to the impeller where it is again thrown against the
parts in the basket. This method of cleaning eliminates the disposal and
handling problems inherent in caustic cleaning operations.
All of LS Industries’ blasters are high quality devices designed for long
service. Because of the inherently destructive nature of the mini blaster,
LS Industries has used high quality, wear resistant materials in the
construction of the blaster and has also designed it to be easy to maintain.
Quality shot must always be used in the blaster to prevent excessive dust
creation that can overload the dust collector.
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SAFETY CONSIDERATIONS
2
Mini Blaster Safety
The MB-2000 mini blaster has been designed and manufactured with
safety as a primary consideration. However, due to the nature of any
industrial machine, the potential for injury can be created by misuse,
incorrect operation or improper maintenance.
LS Industries has included safety mechanisms in the design of the
mini blaster and has provided product information in this manual to
prevent injuries. LS cannot be held responsible for injury to persons
or property through the use or misuse of LS Industries’ equipment.
Please note the following warnings before and during the operation
of the mini blaster.
Dust Collector Safety Warnings
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CAUTION
Study and understand all operating procedures and safety
instructions in this manual as well as any literature that shipped with
the blaster before operation.
WARNING
If dust bags or cartridges are not cleaned regularly, an explosion
hazard can be created in the dust collection chamber. Congested
dust bags or cartridges will restrict airflow, and if operating at high
enough temperatures the metal dust in the bags can reach the flash
point and explode. Use extreme caution when blasting hot parts.
WARNING
Dust in the dust collector can smolder or burn. If dust is thrown or
scattered, it will flash and may explode if contained. Do not turn a
bucket of smoldering dust upside down. A Class D fire
extinguisher must be readily accessible before operation.

SAFETY CONSIDERATIONS
3
WARNING
Do not mix combustible materials such as aluminum, paper,
wood or organic dusts with metal dust. When collecting
flammable or explosive materials, locate the collector outdoors.
WARNING
Do not blast parts wet with solvent or other flammable liquids.
Sparks in the blaster could ignite vapor and create a fire in the
dust collector bags. Even solvent residue may introduce an
explosive atmosphere into the blaster. Processing parts hotter
than 180°F (83°C) may cause a fire in the dust collector.
WARNING
The dust collector must always be grounded to the blaster or in
accordance with electrical code. Failure to properly ground the
dust collector can result in the accumulation of static
electricity, and create the possibility of a dust explosion.
CAUTION
When performing maintenance on the dust collector, ensure
electrical power has been disconnected before servicing.
CAUTION
Maintain all mechanical and electrical parts regularly and ensure that
all safety mechanisms and guards are functioning properly.
Maintenance details are listed on page 10 of this manual.
CAUTION
Never tamper with or attempt to disable safety mechanisms
installed on the dust collector. Doing so will create unnecessary
danger, and will void the warranty. Ensure all guards and doors are
shut during operation of the dust collector. Never operate the dust
collector if they are not in place.
CAUTION
Do not cut or weld metal near the dust collector without first cleaning
and removing the cartridge filters of all dust.

SAFETY CONSIDERATIONS
4
Blaster Safety Warnings
CAUTION
Ensure only dry air is allowed into the dust collector. Moist air can
clog the cartridge filters and will result in suboptimal filtration.
WARNING
All blasters produce sparks during the blasting process. Never process
parts that are wet with solvents, cleaning solutions or other
flammable liquids. Ensure that a Class D fire extinguisher is
readily accessible before operating the mini blaster.
CAUTION
Ensure the power has been disconnected and the door has been
properly secured in the upright position before entering the blaster.
Always exercise caution when conducting maintenance on the blaster.
CAUTION
Never continue operation of the mini blaster if any of the wheel
wells are running significantly above the rated amperage level.
Running the blaster over amperage can cause the motors to burn out.
CAUTION
Hand, eye, foot, and ear protection should be worn when operating the
mini blaster.
CAUTION
Keep the floor area near the blaster clear of shot and debris.
Excessive amounts of shot on the floor around the blaster can
create a slip hazard.
CAUTION
Never allow objects to fall into the wheel wells. Even small objects
such as screws or bolts can damage the impeller blades.

SAFETY CONSIDERATIONS
5
Further Safety Considerations
When collecting emissions from spark producing processes, care must
be taken to reduce any potential fire hazards. System design should
include methods to prevent sparks from entering the dust collector.
Dust collectors do not contain fire extinguishing equipment
unless specifically ordered. Experts in the field of fire extinguishing
equipment should be consulted for recommendations concerning
proper fire detection and suppression systems.
Some dust collection systems require explosion venting. Consult
your insurance underwriter, the National Fire Protection Association
Manual and your local fire authorities to determine the requirements
for explosion venting.
Be careful and conscientious. Consult national and local fire codes,
waste disposal, safety and other appropriate authorities. Comply with
their recommendations for the proper installation and operation of
dust collection equipment, as well as all regulations regarding the
disposal of metal dust.
CAUTION
Never tamper with or attempt to disable safety mechanisms
installed on the mini blaster. Doing so will create unnecessary
danger, and will void the warranty. Ensure all guards and doors are
shut during operation of the blaster. Never commence operation of the
blaster if they are not in place.

INSTALLATION
6
Blaster Installation
Never operate the mini blaster before reading and following all
installation instructions. Always disconnect the compressed air
supply and turn the power disconnect off prior to servicing.
Placement and Assembly
The MB-2000 Mini Blaster is shipped as one entire unit, ready to connect
to the electrical power supply. The MB-2000’s internal dust collector is
powered by the same electrical connection that powers the blaster. Very
little assembly beyond power connections is necessary.
Inspect the mini blaster upon arrival to ensure that no damage has
occurred during shipment and that all purchased items were received.
Note damage or missing items on the Bill of Landing. It is the
purchaser’s responsibility to file all claims with the carrier. LS
Industries will assist if possible.
Placement of the mini blaster is important. Because it is difficult to
move and may need to be lagged to the floor, consider all factors in
placement. The machine should be easy to access, should be close to parts
that will be treated in the blaster, and should also have ample clearance
around it so that maintenance can be conducted quickly and easily.
Installation of Electrical Connections
It is critical that all factory set electrical connections are
retightened to ensure safe and reliable blaster operation. Conduct
a visual inspection before connecting the electrical to verify that no
wires, conduit, etc. have been damaged or broken in shipment.
Be sure the machine is adequately grounded per National Electric
Code, Article 250, and local requirements. LS recommends the use of
a fused disconnect switch or circuit breaker of the proper size (not
furnished) between the electrical devices on the equipment and the
power supply. The dust collector must be grounded and a fuse
disconnect must be installed on a nearby wall. The use of aluminum
supply conductors is not recommended unless terminals approved for
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INSTALLATION
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use with aluminum conductors are provided. LS does not supply these
terminals.
Checking Impeller Rotation
After the mini blaster has been installed and connected to appropriate air
and power supplies, it will be necessary to check the impeller rotation
direction. All personnel should have safety glasses on before
checking the impeller rotation direction. Ensure that all wheel wells
can rotate freely, and that there are no objects (other than shot) in the
wheel wells. All impellers should be free to rotate if given a small force by
hand. If they are found to be stuck or rigid, ensure there are no objects
blocking rotation.
The blaster impeller should rotate clockwise when viewed from the rear
of the motor on the right side of the machine. If the impellers are not
rotating properly, adjust the electrical connection so that rotation is in the
proper direction. Do not open the blaster door while the machine is
running.
Checking Shot Levels
Although LS blasters ship pre-loaded with the correct quantity of shot, an
inspection to ensure shot is present in the machine should be conducted.
Allow the machine to run for one minute before taking an amperage
reading.
Initially, the amperage level will spike considerably as the motor
approaches the operating speed. After several seconds, the amperage
should become steady. After one minute, check the amperage level and
ensure it is between the limits posted on the machine.
When the amperage level becomes low, add shot in small increments until
the amperage is back within the required range. To remove shot, place a
small tin cup or tray in the blaster near the wheel well and run the blaster
for a short time. Remove the tray full of shot.