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Slide Pipe (A)
Holder (A)
8mm Nut
MAINTENANCE AND INSPECTION
WARNING: To avoid an accident or personal injury, always confirm that the trigger switch is turned
OFF and the power plug has been disconnected from the receptacle before performing
any maintenance or inspection of this tool.
1. Inspecting the saw blade
Always replace the saw blade immediately upon the first sign of deterioration or damage.
A damaged saw blade can cause personal injury and a worn saw blade can cause ineffective operation
and possible overload to the motor.
CAUTION: Never use a dull saw blade. When a saw blade is dull, its resistance to the hand
pressure applied by the tool handle tends to increase, making it unsafe to operate
the power tool.
2. Adjusting a loose slide pipe
After extended use of the power tool, the slide pipe (A) and the
bushing can become loose due to vibration. Never operate the tool
if any components are loose to avoid personal injury.
(1) Loosen the 8mm nut and tighten the four 8mm hexagon socket
set screws until the power tool operates smoothly without
looseness.
(2)
Properly tighten the 8mm nut after completing these adjustment.
Fig. 42
3. Inspecting the carbon brushes (Fig. 43 and Fig. 44)
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. 43.
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. 44) with a slotted
(minus) screwdriver.
Fig. 43 Fig. 44
4. Inspecting the mounting screws
Regularly inspect each component of the power tool for looseness.
Re-tighten mounting screws on any loose part.
WARNING: To prevent personal injury, never operate the power tool if any components are loose.
5. Inspecting the safety cover for proper operation
Before each use of the tool, test the safety cover (see Fig. 7) to assure that it is in good condition and
that it moves smoothly.
Never use the tool unless the safety cover operates properly and it is in good mechanical condition.
Brush Cap
Groove for Driver
38
1/4" (6mm)
11/16" (17mm)
No. 38 indicates the last
two numbers of carbon
brush Code No.
Wear Limit Line
8mm Hex. Socket
Set Screw