Hitachi CJ 110V Handling Instructions Manual page 9

I
English
Inspecting the carbon brushes (Fig. 15)
(3) Remove the edge of the pig-tails on the carbon
The motor employs carbon brushes which are
brushes, from the wiring block group (A) and then
consumable parts. When they become worn to or remove the carbon brushes from the brush holders.
near the "wear limit", it could result in motor trouble.
<Assembly>
Insert the end of the pig tails of the carbon brushes
in the terminal section of the wiring block (A).
Insert the carbon brushes in the brush holders.
Use the small screwdriver to return the edge of the
coil spring to the head of the carbon brushes.
Check that the pig tails of the carbon brushes are
completely inserted in the pig tail's groove on the
brush holders.
sassem bly> (5) Close the tail cover and tighten the D4 tapping
Loosen the D4 tapping screw (1 screw) retaining
screw (I screw).
the tail cover and remove the tail cover. 5. Maintenance of the motor
Use a small screw-driver to pull up the edge of The motor unit winding is the very "heart" of the
the coil spring that are holding down the carbon power tool.
brush. Remove toward the outside of the brush
Exercise due care to ensure the winding does not
holders.
become damaged and/or wet with oil or water.
When an auto-stop carbon brush is equipped, the
(I)
motor will stop automatically.
At that time, replace both carbon brushes with new
(2)
ones which have the same carbon brush Numbers
(3)
shown in the figure. In addition, always keep carbon
brushes clean and ensure that they slide freely
(4)
within the brush holders.
Replacing carbon brushes (Fig. 16)
<D
(I)
Table 1 List of appropriate blades
Material
to be cut
Material quality
N's ' No.1 1 Nc$21 No. 15 'c4;6
'o$ No. 22 INo. 95 INo. 96 No. 97
Thickness of material (mm)
I
IVIIIU
.
General lumber Below
10 - Below
IO- 5-
Lumber
100 60 20 60 40
Plywood
\ 5- Below 5- 3-
130
10
\
30 20
n":lJ steel plate
3- Below 3- Below 2 -
10 3 6 3 5
Iron plate
Stainless steel plate
1.5- 0.5- 1.5-
2.5 1.5
2.5
Aluminium copper, brass
3- Below Below
Nonferrous
12 3 5
-
metal
Height
Heig hi
Aluminium sash up to up to
30 30
Phenol resin, melamin,
resin, etc.
Plastics
Vinyl chloride,
acryl resin, etc.
Foamed polyethylene,
foamed stvrol
Pulp
Card board,
corrugated paper
Hardboard
Fiberboard
30 6 30
NOTE
0 The minimum cutting radius of No. I (Long), No. 21, No. 22 and No. 41 blades is 100 mm.
0 NO. 1 (Long), No. 11, No. 12, No. 15, NO. 16, No. 21, No. 22, NO. 95, No. 96 and NO. 97 blades are sold
separately.
7