Hitachi Koki C 12RSH2 Instrucciones De Seguridad Y Manual De Instrucciones página 39

Tronzadora radial abatible
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2.
Inspecting the carbon brushes (Fig. 51 and Fig. 52)
The carbon brushes in the motor are expendable parts.
If the carbon brushes become excessively worn, motor trouble might occur.
Therefore, inspect the carbon brushes periodically and replace them when they have
become worn to the wear limit line as shown in Fig. 51.
Also, keep the carbon brushes clean so that they will slide smoothly within the brush
holders.
The carbon brushes can easily be removed after removal of the brush caps (see Fig. 52)
with a slotted (minus) screwdriver.
NOTE:
When replacing the carbon brushes, use only Hitachi carbon brushes
having "38" in the last two digit of its Code No. (see Fig. 51). If you use
other carbon brushes, the electric brake will not operate.
1/4" (6 mm)
11/16" (17 mm)
3.
About Handling the Motor (see Fig. 1)
Winding of the motor is said to be the heart of this tool. Exercise utmost caution not to
damage the winding by exposing it to wash oil or water.
NOTE:
Accumulation of dust and the like inside the motor can result in a
malfunction.
After using the motor for 50 hours or so, carry out no-load running, and
blow in the dry air from a wind hole at the motor's rear. Such action is
eff ective to discharge dust and the like.
4.
Inspecting the screws
Regularly inspect each component of the power tool for looseness.
Re-tighten screws on any loose part.
WARNING:
5.
Inspecting the lower guard for proper operation
Before each use of the tool, test the lower guard (see Fig. 7) to assure that it is in good
condition and that it moves smoothly.
Never use the tool unless the lower guard operates properly and it is in good mechanical
condition.
Wear limit line
38
No. 38 indicates the last
two numbers of carbon
brush Code No.
Fig. 51
To prevent personal injury, never operate the power tool if any
components are loose.
Groove for driver
Brush cap
Fig. 52
English
39

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