5
MN908
Operation
WARNING:
Do not operate this dust control unit until you are sure that you are completely familiar
with the safe operation of the dust control unit. Improper use can lead to severe injury.
This manual defines proper use of this equipment. Before using this equipment for any
other use, please consult Baldor. Contact Baldor if you do not understand any procedure
or operation concerning this dust control unit or this manual.
Before operating the dust control unit, be sure that all parts are in place. Check the grinder
that is connected to the dust control unit to be sure it is in safe operating condition. Replace
any damaged or missing parts. Do not operate grinder or dust collector with damaged or
missing parts.
WARNING:
Do not use dust control unit in the presence of potentially combustible materials. Keep all
combustible materials and flammable vapors away from dust control unit.
The dust control unit is for collecting dry material. Many materials in dust form are
combustible. Check material safety data sheet. If material is potentially combustible, do not
use with this dust control unit.
WARNING:
Do not operate the dust control unit/grinder with the dust bag removed. Debris that may
come from an open exhaust outlet can be a hazard to nearby persons or equipment.
Air Flow Control
The air flow is directed to the wheels by adjusting the air control valves. To meet OSHA
requirements, it is necessary to direct the air flow to the wheels, see Figure D. For “open”
and “closed” position of air control valves, see Figure E. Close the air control valve to the
unused wheel, open the air control valve to the wheel being used.
Figure D
Catalog No.
Grinding Wheel
Maximum Size
Air Flow*
ft
3
per minute
Dust
HP
Dust
115
1Phase
60 Hz
208-230/460
3 Phase
60 Hz
Dia.
Width
Capacity
OSHA**
Required
per wheel
Dust
Bag
Dust
Control
Motor
DC7
DC7-3
7
″
1
″
440
220
ARB-1
1
/
2
DC8
DC8-3
8
″
1
″
440
220
ARB-1
1
/
2
DC10
DC10-3
10
″
1
″
440
390*
ARB-1
1
/
2
DC12
DC12-3
12
″
2
″
440
390*
ARB-1
1
/
2
DC14
DC14-3
14
″
3
″
700
590*
ARB-2
1
*
Adjust air control valves to direct total air flow to wheel being used. This is to meet OSHA air flow requirements.
Close the air control valve to the unused wheel, open the air control valve to the wheel being used.
** From ventilation section 1910.04 Table G-4, Federal register, Vol. #202.
Maintenance
WARNING:
Prevent electrical shock hazard and accidental machine operation. Always disconnect dust
control unit from the power source before servicing, changing dust bag or maintenance.
Caution:
Do not wash the dust bag. Washing the bag will remove flame–retardant treatment.
S
Motor and bearings are lubricated for life and do not require additional lubrication.
S
The dust bag and hoses connecting the dust control to the grinder should be cleaned
occasionally (as needed).
S
Wearing safety glasses and dust mask, remove the dust bag and shake the dust into a
suitable container for disposal. Dispose of the dust in accordance with material safety
data sheets, local codes and ordinances.
S
Do not wash the bag. Washing the bag will remove flame–retardant treatment.
S
Re–install the dust bag after cleaning.
S
Replacement parts are available from Baldor distributors. Provide catalog number and
specification number from nameplate of the Baldor product, plus the part description.
S
Do not discard this manual. Keep it in a convenient location for reference.
Open
Closed
Closed
Open
Air Control
Inlet Housing
Air Control
Valve
Air Control
Valve
Inlet
Inlet
Figure E
Summary of Contents for DC7
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