John Deere ET-3506-J - Manual (Page 13)

1/2-Inch and 3/8-Inch Drill Operator's Manual 13
Maintenance and Inspection
WARNING: BE SURE TO SWITCH POWER OFF AND DISCONNECT THE
PLUG FROM THE RECEPTACLE DURING MAINTENANCE AND
INSPECTION.
1. Inspecting the drill bits:
Since use of a dull tool will cause motor malfunctioning and degraded efficiency,
replace the drill bit with a new one or resharpening without delay when abrasion is
noted.
2. Inspecting the screws:
Regularly inspect all screws and ensure that they are fully tightened. Should any of
the screws be loosened, retighten them immediately.
WARNING: USING THIS DRILL WITH LOOSENED SCREWS IS EXTREMELY
DANGEROUS.
3. Keeping after use:
When not in use, the Power tool should be kept in a dry place out of the reach of
children.
4. Inspecting the carbon brushes:
For your continued safety and electrical shock protection, carbon brush inspection
and replacement on this tool should ONLY be performed by an AUTHORIZED
JOHN DEERE DEALER.
5. Maintenance of the motor:
The motor unit winding is the very “heart”’ of the power tool. Exercise due care to
ensure the winding does not become damaged and/or wet with oil or water.
SERVICE AND REPAIRS:
All quality power tools will eventually require servicing or replacement of parts because
of wear from normal use. To assure that only authorized replacement parts will be used,
all service and repairs must be performed by an AUTHORIZED JOHN DEERE DEALER,
ONLY.
MODIFICATIONS:
JOHN DEERE Power Tools are constantly being improved and modified to incorporate
the latest technological advancements.
Accordingly, some parts (i.e. code numbers and/or design) may be changed without prior
notice.
MAINTENANCE AND INSPECTION: