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Инструкция по эксплуатации Страница: 5

Makita 5057KB Инструкция по эксплуатации онлайн [5/20] 307982

Check lower guard for proper closing

before each use. Do not operate saw if

lower guard does not move freely and

close instantly. Never clamp or tie the

lower guard into the open position. If saw

is accidentally dropped, lower guard may be

bent. Raise the lower guard with the Retract-

ing Lever and make sure it moves freely and

does not touch the blade or any other part, in

all angles and depths of cut.

To check lower guard, open lower guard by

hand, then release and watch guard closure.

Also check to see that Retracting Lever does

not touch tool housing. Leaving blade

exposed is VERY DANGEROUS and can

lead to serious personal injury.

Check the operation and condition of the

lower guard spring. If the guard and the

spring are not operating properly, they

must be serviced before use. Lower guard

may operate sluggishly due to damaged

parts, gummy deposits, or a buildup of debris.

Lower guard should be retracted manually

only for special cuts such as “Pocket

Cuts” and “Compound Cuts.” Raise lower

guard by Retracting Lever. As soon as

blade enters the material, lower guard

must be released. For all other sawing, the

lower guard should operate automatically.

Always observe that the lower guard is

covering the blade before placing saw

down on bench or floor. An unprotected,

coasting blade will cause the saw to walk

backwards, cutting whatever is in its path. Be

aware of the time it takes for the blade to stop

after switch is released.

NEVER hold piece being cut in your hands

or across your leg. It is important to support

the work properly to minimize body exposure,

blade binding, or loss of control.

Hold tool by insulated gripping surfaces

when performing an operation where the

cutting tool may contact hidden wiring or

its own cord. Contact with a “live” wire will

also make exposed metal parts of the tool

“live” and shock the operator.

When ripping always use a rip fence or

straight edge guide. This improves the

accuracy of cut and reduces the chance for

blade binding.

Always use blades with correct size and

shape (diamond vs. round) arbor holes.

Blades that do not match the mounting hard-

ware of the saw will run eccentrically, causing

loss of control.

10.

Never use damaged or incorrect blade

washers or bolts. The blade washers and

bolt were specially designed for your saw, for

optimum performance and safety of opera-

tion.

11.

Causes and Operator Prevention of Kick-

back:

Kickback is a sudden reaction to a pinched,

bound or misaligned saw blade, causing an

uncontrolled saw to lift up and out of the

workpiece toward the operator.

When the blade is pinched or bound tightly by

the kerf closing down, the blade stalls and the

motor reaction drives the unit rapidly back

toward the operator.

If the blade becomes twisted or misaligned in

the cut, the teeth at the back edge of the

blade can dig into the top surface of the wood

causing the blade to climb out of the kerf and

jump back toward operator.

Kickback is the result of tool misuse and/or

incorrect operating procedures or conditions

and can be avoided by taking proper precau-

tions as given below:

Maintain a firm grip with both hands on

the saw and position your body and arm

to allow you to resist KICKBACK forces.

KICKBACK forces can be controlled by the

operator, if proper precautions are taken.

When blade is binding, or when interrupt-

ing a cut for any reason, release the trig-

ger and hold the saw motionless in the

material until the blade comes to a com-

plete stop. Never attempt to remove the

saw from the work or pull the saw back-

Makita 5057KB Инструкция по эксплуатации онлайн [5/20] 307982

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