Brush-Seater-Stone-for-Commutator
                     V E R M A E N T  E N T E R P R I S E S  ·  M A I N T E N A N C E  T O O L
BRUSH SEATER
STONE
for commutator
A specialized abrasive tool for accurate carbon brush seating on commutators 
and slip rings.
B R U S H  S E A T E R  S T O N E  F O R  
02
C O M M U T A T O R
T H E  R I G H T  C O N T O U R
BETTER BRUSH 
CONTACT STARTS 
WITH THE RIGHT 
CONTOUR
Shape new carbon brushes to match the curved working 
surface of a commutator, slip ring, motor, or generator.
LARGER CONTACT RELIABLE 
AREA TRANSFER
More uniform Supports more reliable 
contact across the current transfer.
working surface.
B R U S H  S E A T E R  S T O N E  F O R  
03
C O M M U T A T O R
T O O L  C H A R A C T E R I S T I C S
BUILT FOR ACCURATE, REPEATABLE 
SEATING
PREMIUM DURABLE MAINTENANCE SIZE OPTIONS
ABRASIVE -READY
Durable and easy Available in different 
Premium-quality to use. Supports industrial sizes as required.
abrasive material. and commercial 
maintenance.
B R U S H  S E A T E R  S T O N E  F O R  
04
C O M M U T A T O R
H O W  T H E  T O O L  W O R K S
FROM SHAPING TO RELIABLE CURRENT 
TRANSFER
CONTOUR BRUSH
MATCH CURVATURE
CREATE UNIFORM CONTACT
ENSURE SMOOTH OPERATION
B R U S H  S E A T E R  S T O N E  F O R  
05
C O M M U T A T O R
P E R F O R M A N C E  P R O T E C T I O N
PROPER SEATING PROTECTS 
PERFORMANCE
IMPROVES HELPS REDUCE CAN REDUCE SUPPORTS 
CONTACT WEAR ARCING SERVICE LIFE
Improves brush-to- Helps reduce Can reduce sparking Supports longer 
commutator contact. uneven brush wear. and electrical arcing. brush and equipment 
service life.
B R U S H  S E A T E R  S T O N E  F O R  
06
C O M M U T A T O R
A P P L I C A T I O N S
MADE FOR 
ROTATING 
ELECTRICAL 
EQUIPMENT
ELECTRIC GENERATORS COMMUTATOR
MOTORS S AND SLIP 
RINGS
INDUSTRIAL OTHER ROTATING ELECTRICAL 
AND EQUIPMENT
COMMERCIAL 
MAINTENANCE
B R U S H  S E A T E R  S T O N E  F O R  
07
C O M M U T A T O R
M A I N T E N A N C E  R I S K
POOR SEATING CREATES 
AVOIDABLE RISK
UNEVEN CONTACT SPARKING AND HEAT
Uneven contact and brush wear. Increased sparking, arcing, 
and heat.
POOR TRANSFER MORE MAINTENANCE
Poor current transfer. More frequent maintenance.
Proper seating helps establish uniform contact and reliable operation.
B R U S H  S E A T E R  S T O N E  F O R  
08
C O M M U T A T O R
S A F E  M A I N T E N A N C E  R O U T I N E
A CAREFUL SIX-STEP MAINTENANCE 
ROUTINE
01 02 03
ISOLATE POSITION FOLLOW
Switch off and safely isolate the Position the carbon brush correctly. Follow the appropriate seating 
equipment. procedure.
04 05 06
SHAPE CLEAN INSPECT
Shape the contact surface with Remove abrasive residue. Inspect the brush and 
the abrasive stone. commutator before service.
Always follow the equipment manufacturer's maintenance instructions and safely isolate equipment before use.
B R U S H  S E A T E R  S T O N E  F O R  
09
C O M M U T A T O R
V E R M A E N T  E N T E R P R I S E S
SUPPORTS THE 
MAINTENANCE JOB
Product category: Diesel Locomotive Engines Tools
SPECIALIZED BRUSH SEATING SOLUTIONS
QUALITY ABRASIVE MATERIALS
DIFFERENT SIZE OPTIONS
CUSTOMER-SPECIFIC REQUIREMENTS
SOLUTIONS FOR MOTORS AND GENERATORS
10
F I N D  T H E  R I G H T  T O O L
BRUSH SEATER
STONE
for commutator
Commutator brush seater
Carbon brush seating stone
Commutator maintenance tool
Electric motor maintenance tool
Talk to Vermaent Enterprises about the size and application you need.
V E R M A E N T  E N T E R P R I S E S