Maintenance And Inspection - Hitachi DH 22PG Manual De Instrucciones

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 properly tightened. Should
any of the screws be loosened, retighten
them immediately.
WARNING:
Using this rotary hammer with loosen
screws is extremely dangerous.
3. 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.
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 a Hitachi Authorized
Service Center.
5. How to replace grease
Low viscosity grease is applied to this
rotary hammer so that it can be used for
a long period without replacing the
grease. Please contact the nearest service
center for grease replacement when any
grease is leaking from loosened screw.
Further use of the rotary hammer despite
the grease shortage causes seizure to
reduce the service life.
CAUTION:
A specific grease is used with this
machine, therefore,
6. Service and repairs
7. Service parts list
the normal
performance of the machine may be
badly affected by use of other grease.
Please be sure to let one of our service
agents undertake replacement of the
grease.
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 a Hitachi
Authorized Service Center, ONLY.
A: Item No.
B: Code No.
C: No. Used
D: Remarks
CAUTION:
Repair, modification and inspection of
Hitachi Power Tools must be carried out
by an Hitachi Authorized Service Center.
This Parts List will be helpful if presented
with the tool to the Hitachi Authorized
Service Center when requesting repair
or other maintenance. In the operation
and maintenance of power tools, the
safety regulations and standards
prescribed in each country must be
observed.
MODIFICATIONS:
Hitachi 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.
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