Hitachi H 65SD3 Instruction Manual page 11

6. Replacing carbon brushes (Refer to fi gure for name of
parts)
Loosen the screws (Hexagon socket hd. bolt M4 × 8)
of the cap covers, then remove the cap covers. After
removing the brush caps, the carbon brushes can be
removed.
After replacing the carbon brushes, tighten the brush
caps, then mount the cap covers securely.
7. Grease replacement
This demolition hammer is of fully oil sealed
construction to protect against dust incursion and to
prevent lubricant leakage. This demolition hammer
can be used without grease replenishment for an
extended period of time. However, perform the grease
replacement to extend the service life. Replace the
grease as described below.
○ Grease Replacement Period
Inspect the grease amount according to the timing
replacement period of the carbon brush. (See item 4
in the section MAINTENANCE AND INSPECTION.)
Ask for grease replacement at the nearest authorized
service center.
NOTE
○ The Hitachi Electric Hammer Grease A is of the
low viscosity type. When the grease is consumed,
purchase from the authorized service center.
○ Do not excessively supply the designated amount of
grease. Otherwise, this demolition hammer should
not operate accurately.
8. 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 a authorized service center, ONLY.
9. Service parts list
CAUTION
Repair, modifi cation and inspection of Hitachi
Power Tools must be carried out by a 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 modifi ed to incorporate the latest technological
advancements.
Accordingly, some parts may be changed without
prior notice.
English
11