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DM 2610Z04970 10-13_9100 10/9/13 7:52 AM Page 14
Preventive maintenance
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performed by unauthorized
personnel may result in misplacing of
internal wires and components which could
cause serious hazard. We recommend that
all tool service be performed by a Dremel
Service Facility.
To
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unexpected starting or
electrical shock, always remove plug from
wall outlet before performing service or
cleaning.
CARBON BRUSHES
The brushes and commutator in your tool have
been engineered for many hours of
dependable service.
In order to prepare your brushes for use, run
your tool at full speed for 5 minutes under no
load. This will properly "seat" your brushes,
which extends the life of both your brushes
and your tool.
Excessive sparking is a sign of worn out carbon
brushes. Your brushes can be replaced by an
authorized Dremel Service Center.
BEARINGS
Model 9100 has ball bearing construction.
Under normal use no additional lubrication is
required.
FLExIBLE SHAFT LUBRICATION
The flex-shaft should be lubricated after every
50 hours of use. To lubricate, disconnect the
If an extension cord is
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necessary, a cord with
adequate size conductors that is capable of
carrying the current necessary for your tool
must be used. This will prevent excessive
voltage drop, loss of power or overheating.
Grounded tools must use 3-wire extension
cords that have 3-prong plugs and receptacles.
NOTE: The smaller the gauge number, the
heavier the cord.
Maintenance Information
Service
avoid
injury
from
Extension Cords
flexible shaft assembly from the motor
housing. Pull the center core out of the flexible
shaft
assembly. Wipe a very thin film
automotive wheel bearing grease on to the
center core and reinsert it back into the shaft.
To prevent damage to tool do not over grease
shaft. Too much grease will cause the unit to
overheat.
Reattach the flexible shaft to motor unit.
The flexible shaft inner core may fail after
many hours of continuous use; replacement
parts are available by contacting an authorized
Dremel Service Center.
Cleaning
To avoid accidents always
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disconnect the tool from
the power supply before cleaning or
performing any maintenance. The tool may
be cleaned most effectively with compressed
dry air. Always wear safety goggles when
cleaning tools with compressed air.
Ventilation openings and switch levers must be
kept clean and free of foreign matter. Do not
attempt to clean by inserting pointed objects
through openings.
Certain cleaning agents and
C UTION
solvents damage plastic
parts. Some of these are: gasoline, carbon
tetrachloride, chlorinated cleaning solvents,
ammonia and household detergents that
contain ammonia.
RECOMMENDED SIZES OF ExTENSION CORDS
120 VOLT ALTERNATING CURRENT TOOLS
Cord Size in A.W.G.
Tool's
Ampere
Cord Length in Feet
Rating
25
50
100 150
3-6
18
16
6-8
18
16
8-10
18
16
10-12
16
16
12-16
14
12
14
Wire Sizes in mm 2
Cord Length in Meters
15
30
60
120
16
14
0.75 0.75 1.5
2.5
14
12
0.75 1.0 2.5
4.0
14
12
0.75 1.0 2.5
4.0
14
12
1.0 2.5 4.0
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