Clarke DTV-7 Libro De Instrucciones página 18

Small
Holes
Good
A
Good
C
Figure 1
Pequeños
agujeros
Bueno
A
Bueno
Figure 2
Petits
trous
Bon
A
Bon
C
Figure 3
Page -18-
Uneven
Good
B
High
Mica
Coloración
desigual
Bueno
B
Demasiado
pico
C
Coloration
inégale
Bon
B
Trop de
Mica
MAINTENANCE
This section describes the procedure that must be done
by a person authorized to do maintenance.
WARNING: To prevent electrical shock, always
remove the electrical plug from the
electrical outlet before doing any
repairs or maintenance to this ma-
chine.
Keep the machine clean. It will have longer life and
need fewer repairs.
Maintenance of the Motor
The motor that has a commutator and carbon brushes
must be checked every six months or 600 hours or
operation.
WARNING: Electrical inspections must be made
by a person authorized to do mainte-
nance. Electrical repairs must be
made by a person authorized to make
electrical repairs.
How to Check the Commutator and Carbon Brushes
To check the commutator and the carbon brushes, follow
this procedure:
1. Remove the screw that holds the motor cover.
2. Disconnect the wires.
3. Push the motor through the bottom of the plate.
4. Inspect the commutator. Take the machine to a
Clarke authorized repair location if you see any of
the following conditions:
a. Small holes in th surface of the commutator.
See figure 1A.
b. Uneven color. Look for an even dark brown
color. Clean areas indicate a problem. See figure
1B.
c. High mica. The mica insulation must be lower
than the commutator bars. See figure 1C.
5. Remove the carbon brush assemblies and check
the carbon brushes. Replace both carbon brush
assemblies if either of the carbon brushes is
shorter than ½ inch (13mm), order two new brushes
and replace both carbon brushes earlier than the
normal inspection time.
6. Install the motor cover, and the fasteners.
WARNING: The machine must be tested for
electrical safety after electrical repairs
are made.
NOTE: For best operation, have the machine checked
by a Clarke authorized repair person every 12 months.
For safe operation and longer life of your product, use
Clarke parts.
Clarke ® Operator's Manual DTV, STV & PTV