DeWalt DCN890 Guide D'utilisation page 17

Fig. N
7. Lift the rear of driver until at an angle and pull the driver
out. Refer to Figure O.
8. Replace driver and follow steps in reverse to reassemble
9. Ensure new driver slides smoothly through the gun
before full reassembly.
Fig. O
10. Return the driver, guide rods, bumpers, housing end
cap, and removable top stand back onto the unit. It
is important to try the alignment of the driver and
the flywheel before screwing the housing end cap
back on to the unit. This can be done by connecting
a battery and pushing then releasing the nose of the
unit against a bench or hard surface. This will start the
motor spinning.
nOTE: When the driver and the flywheel are correctly
aligned, you will hear the motor coast back down
from full speed. If the driver and the flywheel are not
correctly aligned, the motor may not start up, may
slow down much faster than normal along with a loud
grinding noise from the unit. If this happens remove
and reseat the driver, making sure the bumpers are
seated correctly.

WARNING: Always test the unit by firing 3/4" pins
in power setting 1 into scrap material, to ensure that
the tool is working properly. If tool does not operate
properly, contact a recognized D
center immediately.
Recommended accessories for use with your tool are
available at extra cost from your local dealer or authorized
service center. If you need assistance in locating any
accessory, please contact D WALT Industrial Tool Co., 701
e
East Joppa Road, Towson, MD 21286, call 1–800–4-D
(1–800–433–9258) or visit our website www.D
Repairs
The charger and battery pack are not serviceable.

22
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failure due to normal wear or tool abuse. For further detail
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visit www.dewalt.com or call 1-800-4-D
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or damage caused where repairs have been made
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PARTICULAR PURPOSE, AND EXCLUDES ALL INCIDENTAL
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caused by normal use, for free, any time during the first year
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WARNING: To assure product SAFETY and
RELIABILITY, repairs, maintenance and adjustment
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