Publicidad
Idiomas disponibles
Idiomas disponibles
English
I
z_ WARNING
' Be sure to switch
the power switch OFF and disconnect the
ptug from the receptacle
during
maintenance
and inspec-
tion.
1.
Replacing
the depressed
center
wheel
Replace the depressed center wheel when it has been worn out to about 2-3/8"
(60mm) in external diameter. Confirm that there is no crack or any damage to the
depressed
center wheel. If there is a crack or a transformation
in the wheel,
replace it immediately.
2.
Inspecting
the mounting
screws
Regularly inspect all mounting screws and ensure that they are properly tight-
ened. Should any of the screws be loosened, retighten them immediately.
zL WARNING
" Using this grinder
with loosened
screws
is extremely
dan-
gerous.
,
4,
Confirm
that
there
is no damage
in the
wheel guard, the cord and housing,
etc.
Furthermore, confirm that there is no abnormali-
ty in the activation of the switch.
Inspecting
the carbon
brushes(Fig.
4)
The motor employs carbon brushes which are
consumable
parts. Replace
the carbon brush
with a new one when it becomes
worn to its
wear limit. Always keep carbon brushes clean
and ensure
that they slide
freely
within
the
brush holders.
Z_CAUTION
" Using this grinder
with a carbon
brush which
is worn in excess of
the wear
limit will
damage
the
motor.
No. of carbon
Wear limit
brush
I
i
_.24"(6mm)
L._
..........................
0.67"(17mm)
Fig. 4
NOTE " Use HITACHI carbon brush No.43 indicated in Fig. 4.
'_' Replacing a carbon brush:
Remove the brush cap (Fig. 1) with a slotted screwdriver. The carbon brush can
then be easily removed.
5.
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 HITACHI
AUTHORIZED
SERVICE CENTER, ONLY.
14
Publicidad
