HIKOKI CM 12Y Інструкція з експлуатації - Сторінка 6

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3. Extension cord

When the work area is removed from the power source,

use an extension cord of suﬃ cient thickness and rated

capacity. The extension cord should be kept as short as

practicable.

4. Checking and installing the diamond wheel

Check the diamond wheel is a speciﬁ ed one and is not

cracked, broken or bent. Check the diamond wheel is

installed securely. For installation, refer to "Installing/

removing diamond wheel".

5. Check that the knob used to secure the wheel

guard is tight.

Make sure that the knob that secures the wheel guard is

adequately tight.

If this knob is loose, it may result in injury to the operator.

(Fig. 4)

INSTALLING DUST COLLECTION HOSE

When cutting a material which generates cutting dust, use

the dust collection hose as follows:

(1) Remove the rubber cab and install the accessory hose.

(Fig. 1)

(2) Install the dust collector hose for the power tool in the

accessory hose. (Fig. 1)

CAUTION

○ Do not use the dust collection hose when cutting metal.

○ Always install a rubber cap on the dust collection

adapter when the dust collection hose is not used.

INSTALLING/REMOVING DIAMOND WHEEL

1. Installation

(1) Wipe the cutting dust from the spindle and washers.

(2) Make sure the rotation direction of the diamond wheel

conforms to the direction indicated on the wheel guard

and install the diamond wheel as shown in Fig. 2 and 3.

• Install the wheel washer (B) (silver) on the inner side

when the hole diameter of the diamond wheel is 22.2

mm.

• Install the wheel washer (C) (black) on the inner side

when the hole diameter of the diamond wheel is 20.0

mm.

(3) Press the lock pin and secure the spindle. Tighten

the bolt adequately with the provided wrench.

(Fig. 5 and 6)

NOTE

○ Always use the provided wrench to secure the bolt.

○ Be careful because the bolt tightens to the left

(counterclockwise direction) to prevent it from being

loosened during cutting. (Fig. 6)

2. Removal

Remove the bolt with the provided wrench and remove

the diamond wheel. (Fig. 6)

CUTTING

1. Wheel guard adjustment (Fig. 4)

Adjust the wheel guard angle with the knob so dust and

debris from the material or sparks do not contact the

operator during the cutting operation.

2. Cutting Procedures (Fig. 7)

(1) Place this tool on the material to be cut and align the

premarked line and the diamond wheel.

The cutting can be performed smoothly if you cut

straight ahead on the scribed line in the initial cut.

(2) Turn on the switch when the diamond wheel is not

touching the material to be cut.

CAUTION

○ Always check the diamond wheel before starting work.

Never use a diamond wheel which is cracked, broken or

bent.

○ Do not apply water or coolant to the diamond wheel.

○ Start cutting only when diamond wheel reaches its

maximum speed.

○ If the diamond wheel seizes or there is any abnormal

noise, immediately turn the power oﬀ .

○ Never use the diamond wheel to cut zig zag or curved

lines. Never use the side surface of the diamond wheel.

Never use to perform inclination cutting.

○ If excessive force is applied to the diamond wheel to

make it align with the premarked line during cutting,

this might not only overload the motor and cause burn

damage but may also overheat the diamond wheel and

shorten the service life.

○ Take care not to allow the power cord to come into

contact with the diamond wheel during operation.

○ When the work is completed, turn the power oﬀ and

disconnect the power plug from the receptacle.

MAINTENANCE AND INSPECTION

1. Inspection the diamond wheel

A worn diamond wheel overloads the motor and

reduces working eﬃ ciency. Replace with a new one.

2. Diamond Wheel Clogging

The rate of wear of the diamond layer cutting edge

will vary depending on the type of material being cut,

the cutting speed, etc. In general, materials which

produce granular cutting particles may scrape the

boding agent and hasten the wear of the diamond

layer. On the other hand, materials which produce

powdery cutting particles may cause clogging of the

diamond layer which will reduce cutting eﬃ ciency.

When clogging occurs, additional force applied in an

attempt to increase cutting speed will sometime cause

sparks to appear around the circumference of the

diamond wheel. In such a case, stop using the cutter

and carefully inspect the cutting edge by rubbing it

with your ﬁ ngers. If the diamond layer feels smooth (no

roughness or abrasiveness), it is clogged with dust and

must be "dressed".

For thorough dressing, approximately 5 meters of

slightly accelerated cutting at a depth of 10 mm in a

relative soft material which produces granular cutting

particles (such as a cement block or brick) will restore

the cutting eﬀ ectiveness of the diamond layer and will

extend the service life of the diamond wheel.

The

diamond

material

temperatures

and

approximately 600°C. Higher temperatures will cause

decomposition of the diamond material. Accordingly, it

is important to perform "dressing" as soon as clogging

or sparking occurs.

3. 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.

4. 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.

susceptible

will

begin

deteriorate

high