○ When the pilot lamp ﬂ ickers (at 0.2-second intervals),
check for and take out any foreign objects in the
charger's battery connector. If there are no foreign
objects, it is probable that the battery or charger is
malfunctioning. Take it to your authorized Service Center.
○ Since the built-in micro computer takes about 3
seconds to conﬁ rm that the battery being charged with
UC7SL is taken out, wait for a minimum of 3 seconds
before reinserting it to continue charging. If the battery
is reinserted within 3 seconds, the battery may not be
MAINTENANCE AND INSPECTION
1. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure that
they are properly tightened. Should any of the screws
be loose, retighten them immediately. Failure to do so
could result in serious hazard.
2. Cleaning of the charger
When the charger is stained, wipe with a soft dry cloth
or a cloth moistened with soapy water. Do not use
chloric solvents, gasoline or paint thinner, for they melt
3. Store idle charger
When not in use, the charger should be stored in dry,
high or locked-up place — out of reach of children.
4. Service parts list
Repair, modiﬁ cation and inspection of Hitachi Power
Tools must be carried out by a Hitachi Authorized
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.
Hitachi Power Tools are constantly being improved
and modiﬁ ed to incorporate the latest technological
Accordingly, some parts may be changed without prior
Due to HITACHI's continuing program of research and
development, the speciﬁ cations herein are subject to
change without prior notice.