Hitachi c10fs Instruction Manual - Page 27

Overload Protective Device For Poly-v-belt, Maintenance And Inspection

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English NOTE: If the spindle lock cannot be easily pressed in to lock the spindle, turn the bolt with 10mm box wrench (standard accessory) while applying pressure on the spindle lock. The saw blade spindle is locked when the spindle lock is pressed inward. (3) Remove the bolt and washer (D) 10mm Box Wrench 6mm Bolt Spindle Cover 10mm Box Wrench Spindle Lock Tighten Bolt Washer (D) Loosen Fig. 51-a Fig. 51-b Loosen Fig. 51-c (4) Lift the safety cover and mount the saw blade. WARNING: When mounting the saw blade, confirm that the rotation indicator mark on the saw blade and the rotation direction of the gear case(see Fig. 1) are properly matched. (5) Thoroughly clean washer (D) and the bolt, and install them onto the saw blade spindle. (6) Press in the spindle lock and tighten the bolt by turning it to the left by standard accessorie's wrench (10mm box wrench) as indicated in Fig. 51-c. CAUTION: * A dust guide is installed inside behind the gear case. When removing or installing the saw blade, do not make contact with the dust guide. Contact may break or chip saw blade tips. * Confirm that the spindle lock has returned to the retract position after installing or removing the saw blade. * Tighten the bolt so it does not come loose during operation. Confirm the bolt has been properly tightened before the power tool is started. 2. Dismounting the saw blade Dismount the saw blade by reversing the mounting procedures described in paragraph 1 above. The saw blade can easily be removed after lifting the safety cover. CAUTION: Never attempt to install saw blades larger than 10" (255mm) in diameter. Always install saw blades that are 10" (255mm) in diameter or less. OVERLOAD PROTECTIVE DEVICE FOR POLY-V-BELT The power of the motor is transmitted to the saw blade by a Poly-V-Belt. When the Poly-V-Belt becomes overloaded, the overload protective device cuts off the current to stop the motor. In this case turn the switch off immediately and raise the handle to its initial position. Then turn the switch on and after running the tool for 20 seconds without a load for cooling of the motor. Then start the cutting operation.The Poly-V-Belt or the motor will be damaged if the overload protective device turns off frequently. CAUTION: When the overload protective device stops the motor, the motor will start by turning the switch on after turning it off. When turning the switch on, make sure that the saw blade is not halfway in the material. 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. 27

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27
English
Spindle Lock
10mm
Box Wrench
Bolt
Tighten
Loosen
Washer (D)
10mm
Box Wrench
6mm Bolt
Spindle
Cover
NOTE:
If the spindle lock cannot be easily pressed in to lock the spindle, turn the bolt with 10mm
box wrench (standard accessory) while applying pressure on the spindle lock.
The saw blade spindle is locked when the spindle lock is pressed inward.
(3)
Remove the bolt and washer (D)
Fig. 51-a
Fig. 51-b
Fig. 51-c
(4)
Lift the safety cover and mount the saw blade.
WARNING:
When mounting the saw blade, confirm that the rotation indicator mark on the saw
blade and the rotation direction of the gear case(see Fig. 1) are properly matched.
(5)
Thoroughly clean washer (D) and the bolt, and install them onto the saw blade spindle.
(6)
Press in the spindle lock and tighten the bolt by turning it to the left by standard accessorie’s wrench
(10mm box wrench) as indicated in Fig. 51-c.
CAUTION:
* A dust guide is installed inside behind the gear case.
When removing or installing the saw blade, do not make contact with the dust
guide. Contact may break or chip saw blade tips.
* Confirm that the spindle lock has returned to the retract position after installing or
removing the saw blade.
*Tighten the bolt so it does not come loose during operation.
Confirm the bolt has been properly tightened before the power tool is started.
2.
Dismounting the saw blade
Dismount the saw blade by reversing the mounting procedures described in paragraph 1 above.
The saw blade can easily be removed after lifting the safety cover.
CAUTION:
Never attempt to install saw blades larger than 10" (255mm) in diameter.
Always install saw blades that are 10" (255mm) in diameter or less.
OVERLOAD PROTECTIVE DEVICE FOR POLY-V-BELT
The power of the motor is transmitted to the saw blade by a Poly-V-Belt. When the Poly-V-Belt becomes
overloaded, the overload protective device cuts off the current to stop the motor.
In this case turn the switch off immediately and raise the handle to its initial position. Then turn the switch
on and after running the tool for 20 seconds without a load for cooling of the motor. Then start the cutting
operation.The Poly-V-Belt or the motor will be damaged if the overload protective device turns off frequently.
CAUTION:
When the overload protective device stops the motor, the motor will start by turning the
switch on after turning it off. When turning the switch on, make sure that the saw blade
is not halfway in the material.
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.
Loosen