Manual Hitachi C10FSH (page 18 of 100) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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English

NOTE

⅜ When cutting a single groove at either end of the

workpiece, remove the unneeded portion with a

chisel.

MOUNTING AND DISMOUNTING SAW BLADE

WARNING

To prevent an accident or personal injury, always turn

off the trigger switch and disconnect the power plug

from the receptacle before removing or installing a

blade.

1. Mounting the saw blade (Fig. 20, Fig. 21 and Fig. 22)

(1) Use the accessory 10 mm box wrench to loosen the 6 mm

bolt fastening the spindle cover and then rotate the

spindle cover.

(2) Press in spindle lock and loosen bolt with 10 mm box

wrench.

Since the bolt is left-hand threaded, loosen by turning

it to the right.

NOTE

⅜ If the spindle lock cannot be easily pressed in to lock

the spindle, turn the bolt with 10 mm box wrench

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 (B).

(4) Lift the lower guard 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 are properly

matched.

(5) Thoroughly clean washer (B) 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 10 mm box wrench.

(7) Rotate the spindle cover unitl hook in spindle cover is

in the original position. Then tighten the 6mm bolt.

CAUTION

⅜ Confirm that the spindle lock has returned to the

retract position after installing or removing the saw

blade.

⅜ Tighten the bolt so it does not come loose during

operation.

⅜ Confirm that the bolt has been properly tightened

before the power tool is started.

⅜ Confirm that the lower guard has closed position.

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

lower guard.

CAUTION

⅜ Never attempt to install saw blades except

235 mm – 255 mm in diameter.

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, this protective device reduce the input

voltage and the motor is going to stall as result.

However if the over-load is relieved by operator, the

machine recover the running gradually as before in short

time.

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 the trigger switch is turned OFF and that the

power plug has been disconnected from the

receptacle before performing any maintenance or

inspection of this tool.

Report to qualified person as soon as possible, if you

discover the fault of machine including guards or

blade saw.

1. Inspecting the saw blade

Since use of a dull saw blade will degrade efficiency

and cause possible motor malfunction, sharpen or

replace the saw blade as soon as abrasion is noted.

To avoid excessive noise exposure, use the saw blades

designed to reduce the emitted noise and maintain

saw blade and machine.

2. Inspecting the mounting screws

Regularly inspect all mounting screws and ensure that

they are properly tightened. Should any of the screws

be loose, re-tighten them immediately. Failure to do

so could result in serious hazard.

3. Inspecting the carbon brushes (Fig. 13)

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 ensure that they slide freely within

the brush holders.

4. Replacing a carbon brushes

Disassemble the brush cap with a slotted-head

screwdriver. The carbon brushes can then be easily

removed.

5. 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.

6. Replacement of Poly-V-Belt

The power of the motor is transmitted to the saw blade

by a Poly-V-Belt. When the Poly-V-Belt is broken or

damaged, remove the belt cover by loosening the two

5 mm screws (see Fig. 2) and replace the damaged

one with the new one.

When connecting the belt on pulleys, first connect 2

or 3 teeth of Poly-V-Belt to the grooves of the pulley

(A) and pulley (B). Then turning the pulley (A) and

pulley (B), connect all 10 teeth of the belt to the pulleys.

01Eng_C10FSH_WE 12/6/08, 15:4717

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Hitachi C10FSH Manual

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