Maintenance And Inspection - HIKOKI GP 3V Mode D'emploi

Materials to be ground
Mild steel, hard steel,
forged steel
Cast iron
Brass, bronze, aluminium
Ceramic
Synthetic resin
Small-scaled wheels with shaft are prepared for grinding
small surfaces. Their dimensions and shapes are shown in
"OPTIONAL ACCESSORIES".
Since wheel shaft diameter is 3 mm, use the collet chuck
for 3 mm shaft sold separately by your HiKOKI dealer as an
optional accessory.

MAINTENANCE AND INSPECTION

1. Inspecting the wheel
Ensure that the wheel is free of cracks and surface
defects.
2. 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.
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 (Fig. 4)
The motor employs carbon brushes which are
consumable parts. Since an excessively worn carbon
brush can result in motor trouble, replace the carbon
brushes with new ones having the same carbon brush
No. shown in the fi gure when it becomes worn to or
near the "wear limit". In addition, always keep carbon
brushes clean and ensure that they slide freely within
the brush holders.
5. Replacing carbon brushes (Fig. 5)
<Disassembly>
(1) Loosen the D4 tapping screw retaining the tail cover
and remove the tail cover.
(2) Use the auxiliary hexagonal wrench or small screwdriver
to pull up the edge of the spring that is holding down the
carbon brush. Remove the edge of the spring toward
the outside of the brush holder.
(3) Remove the end of the pig-tail on the carbon brush from
the terminal section of brush holder and then remove
the carbon brush from the brush holder.
<Assembly>
(1) Insert the end of the pig-tail of the carbon brush in the
terminal section of brush holder.
(2) Insert the carbon brush in the brush holder.
(3) Use the auxiliary hexagonal wrench or small screwdriver
to return the edge of the spring to the head of the carbon
brush.
NOTE
Make sure the end of the spring is not holding the pig-
tail.
(4) Mount the tail cover and tighten the D4 tapping screw.
6. Replacing supply cord
If the replacement of the supply cord is necessary, it
has to be done by HiKOKI Authorized Service Center to
avoid a safety hazard.
Grain Grading
60~80
WA
C 36
C 36
60~80
WA
C 36
Bonding degree
P
M-O
J-K
M
K-M
7. Service parts list
CAUTION
Repair, modifi cation and inspection of HiKOKI Power
Tools must be carried out by a HiKOKI Authorized
Service Center.
This Parts List will be helpful if presented with the tool to
the HiKOKI 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
HiKOKI Power Tools are constantly being improved
and modifi ed to incorporate the latest technological
advancements.
Accordingly, some parts may be changed without prior
notice.
GUARANTEE
We guarantee HiKOKI Power Tools in accordance with
statutory/country specifi c regulation. This guarantee does
not cover defects or damage due to misuse, abuse, or
normal wear and tear. In case of complaint, please send
the Power Tool, undismantled, with the GUARANTEE
CERTIFICATE found at the end of this Handling
instruction, to a HiKOKI Authorized Service Center.
NOTE
Due to HiKOKI's continuing program of research and
development, the specifi cations herein are subject to
change without prior notice.
IMPORTANT
Correct connection of the plug
The wires of the main lead are coloured in accordance
with the following code:
Blue: – Neutral
Brown: – Live
As the colours of the wires in the main lead of this tool may
not correspond with the coloured markings identifying the
terminals in your plug proceed as follows:
The wire coloured blue must be connected to the terminal
marked with the letter N or coloured black.
The wire coloured brown must be connected to the
terminal marked with the letter L or coloured red.
Neither core must be connected to the earth terminal.
NOTE
This requirement is provided according to BRITISH
STANDARD 2769: 1984.
Therefore, the letter code and colour code may not be
applicable to other markets except The United Kingdom.
English
Structure Bonding agent
m V
m V
m V
m V
m V
11