Maintenance And Inspection - Hitachi CR 13V2 Handling Instructions Manual

Table 2: Bl-METAL blades
Blade
Uses
No.
No. 101 For cutting steel and stainless pipes
less than 60 mm in outer diameter
No. 102 For cutting steel and stainless pipes
less than 130 mm in outer diameter
No. 103 For cutting steel and stainless pipes
less than 60 mm in outer diameter
No. 104 For cutting steel and stainless pipes
less than 130 mm in outer diameter
No. 105 For cutting steel and stainless pipes
less than 60 mm in outer diameter
No. 106 For cutting steel and stainless pipes
less than 130 mm in outer diameter
No. 107 For cutting steel and stainless pipes
less than 60 mm in outer diameter
No. 108 For cutting steel and stainless pipes
less than 130 mm in outer diameter Below 3.5
No. 121 For cutting and roughing lumber
No. 131 All purposes
No. 132 All purposes
NOTE
Nos. 101 – No. 132 Bl-METAL blades are sold separately
as optional accessories.
Table 3: Curved blade
Blade
Uses
No.
No. 341 For cutting steel and stainless pipes
less than 60 mm in outer diameter
3. Selection of blades for other materials
Table 4
Material Material
to be cut quality
Iron plate Mild steel
plate
Nonferrous Aluminium,
metal Copper and
Brass
Thickness
(mm)
2.5 – 6
2.5 – 6
2.5 – 6
2.5 – 6
2.5 – 6
2.5 – 6
Below 3.5
300
—
—
Thickness
(mm)
2.5 – 6
Thickness
Blade No.
(mm)
2.5 – 19 No. 1, 2, 101,
102, 103, 104,
105, 106, 131,
132
Below 3.5 No. 3, 107,
108
5 – 20 No. 1, 2, 101,
102, 103, 104,
105, 106, 131,
132
Below 5 No. 3, 107,
108
Material Material
to be cut quality
Synthetic Phenol resin,
resin Melamine
resin, etc.
Vinyl chloride, 10 – 60
Acrylic resin,
etc.

MAINTENANCE AND INSPECTION

1. Inspecting the blade
Continued use of a dull or damaged blade will
result in reduced cutting efficiency and may cause
overloading of the motor. Replace the blade with
a new one as soon as excessive abrasion is noted.
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. 27)
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 figure when it becomes
worn to or near the "wear limit". In addition, always
keep carbon brushes clean and ensue that they
slide freely within the brush holders.
5. Replacing carbon brushes
Disassemble the brush caps with a slotted-head
screwdriver. The carbon brushes can then be easily
removed.
6. Replacing supply cord
If the replacement of the supply cord is necessary,
it has to be done by Hitachi Authorized Service
Center to avoid a safety hazard.
7. Service parts list
A: Item No.
B: Code No.
C: No. Used
D: Remarks
CAUTION
Repair, modification 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.
English
Thickness
Blade No.
(mm)
10 – 50 No. 1, 2, 4,
101, 102, 103,
104, 131, 132
5 – 30 No. 3, 5, 8,
105, 106, 107,
108
No. 1, 2, 4,
101, 102, 103,
104, 131, 132
5 – 30 No. 3, 5, 8,
105, 106, 107,
108
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