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Circular Saw 

KU420

tool’s operation. If damaged, have the power 

tool repaired before use.

 

Many accidents are 

caused by poorly maintained power tools. 

f)   Keep cutting tools sharp and clean. 

Properly 

maintained cutting tools with sharp cutting edges 

are less likely to bind and are easier to control. 

g)   Use the power tool, accessories and 

tool bits etc. in accordance with these 

instructions, taking into account the 

working conditions and the work to be 

performed. 

Use of the power tool for operations 

different from those intended could result in a 

hazardous situation. 

 

h)   Keep handles and grasping surfaces dry, 

clean and free from oil and grease. 

Slippery 

handles and grasping surfaces do not allow for 

safe handling and control of the tool in unexpected 

situations. 

5)   Service

a)   Have your power tool serviced by a 

qualified repair person using only identical 

replacement parts.

 

This will ensure that the 

safety of the power tool is maintained.

SAFETY INSTRUCTIONS 

FOR ALL SAWS

CUTTING PROCEDURES

a)   

DANGER: Keep hands away from    

          cutting area and the blade. Keep 

your second hand on auxiliary handle, or 

motor housing.

 

If both hands are holding the 

saw, they cannot be cut by the blade.

b)   Do not reach underneath the workpiece. 

The guard cannot protect you from the blade 

below the workpiece.

c)   Adjust the cutting depth to the thickness of 

the workpiece.

 

Less than a full tooth of the blade 

teeth should be visible below the workpiece.

d)   Never hold workpiece in your hands or 

across your leg while cutting.

 

Secure the 

workpiece to a stable platform. It is important 

to support the work properly to minimise body 

exposure, blade binding, or loss of control.

e)   Hold the power tool by insulated gripping 

surfaces only, 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 power tool "live" and could give 

the operator an electric shock.

f)   When ripping always use a rip fence or 

straight edge guide.

 

This improves the accuracy 

of cut and reduces the chance of blade binding.

g)   Always use blades with correct size and 

shape (diamond versus round) of arbour 

holes. 

Blades that do not match the mounting 

hardware of the saw will run off-centre, causing 

loss of control.

h)   Never use damaged or incorrect blade 

washers or bolt. 

The blade washers and bolt 

were specially designed for your saw, for optimum 

performance and safety of operation.

FURTHER SAFETY 

INSTRUCTIONS FOR ALL 

SAWS

KICKBACK CAUSES AND 

RELATED WARNINGS

—   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 the 

operator.

Kickback is the result of saw misuse and/or incorrect 

operating procedures or conditions and can be avoided 

by taking proper precautions as given below.

a)   Maintain a firm grip with both hands on 

the saw and position your arms to resist 

kickback forces. Position your body to 

either side of the blade, but not in line with 

the blade.

 

Kickback could cause the saw to jump 

backwards, but kickback forces can be controlled 

by the operator, if proper precautions are taken.

b)   When blade is binding, or when interrupting 

a cut for any reason, release the trigger 

and hold the saw motionless in the material 

until the blade comes to a complete stop. 

Never attempt to remove the saw from the 

work or pull the saw backward while the 

blade is in motion or kickback may occur. 

Investigate and take corrective actions to eliminate 

the cause of blade binding.

c)   When restarting a saw in the workpiece, 

centre the saw blade in the kerf and check 

that saw teeth are not engaged into the 

material.

 

If saw blade is binding, it may walk 

up or kickback from the workpiece as the saw is 

restarted.

d)   Support large panels to minimise the risk 

of blade pinching and kickback. Large 

panels tend to sag under their own weight.

 

Supports must be placed under the panel on both 

sides, near the line of cut and near the edge of the 

panel.

e)   Do not use dull or damaged blades. 

Unsharpened or improperly set blades produce 

narrow kerf causing excessive friction, blade 

binding and kickback.

Содержание KU420

Страница 1: ...Circular Saw KU420 SAFETY AND OPERATING MANUAL ...

Страница 2: ......

Страница 3: ...erious personal injury b Use personal protective equipment Always wear eye protection Protective equipment such as dust mask non skid safety shoes hard hat or hearing protection used for appropriate conditions will reduce personal injuries c Prevent unintentional starting Ensure the switch is in the off position before connecting to power source and or battery pack picking up or carrying the tool ...

Страница 4: ...ur holes Blades that do not match the mounting hardware of the saw will run off centre causing loss of control h Never use damaged or incorrect blade washers or bolt The blade washers and bolt were specially designed for your saw for optimum performance and safety of operation FURTHER SAFETY INSTRUCTIONS FOR ALL SAWS KICKBACK CAUSES AND RELATED WARNINGS kickback is a sudden reaction to a pinched b...

Страница 5: ...uard may operate sluggishly due to damaged parts gummy deposits or a build up of debris c Lower guard may be retracted manually only for special cuts such as plunge cuts and compound cuts Raise lower guard by retracting handle and as soon as blade enters the material the lower guard must be released For all other sawing the lower guard should operate automatically d Always observe that the lower g...

Страница 6: ...6 Circular Saw KU420 9 2 18 21 7 19 5 17 4 6 15 16 13 14 8 11 3 1 10 7 12 ...

Страница 7: ...7 Circular Saw KU420 Correct 7 3 Incorrect D C B A E F ...

Страница 8: ...8 Circular Saw KU420 20 13 J1 I H G J2 ...

Страница 9: ...entative of circular saw Rated voltage 220 230V 50Hz Rated input power 1400W Rated no load speed 5200r min Blade size 185 mm Blade Bore 20mm Protection class II Cutting capacity Cutting depth at 90 64mm Cutting depth at 45 45mm Machine weight 4 2kg ACCESSORIES Socket spanner 1 Parallel guide 1 Wheel center hub ring 1 Use the saw blades with following specifications 185mm diameter 20mm bore 24 teet...

Страница 10: ...y away from the base plate Set the cutting depth using the scale then push the depth locking knob down to lock Fig C D In order to be able to cut the workpiece it is necessary to set the depth 3 mm thicker than the that of the workpiece 5 BASE PLATE Adjusting the angle of the base plate enables bevel cutting Fig E The base plate must always be held firmly against the surface of the workpiece to re...

Страница 11: ...h on the machine and place the front edge of the base plate used for the machine against the surface of the workpiece Fig J1 J2 the cutting guide indication coincides with the surface marking line of the workpiece Ensure that the saw blade is close to the surface of the workpiece without contact and turn the guard lever to open the movable shield For turning on take the front edge of the base plat...

Страница 12: ...Copyright 2019 Positec All Rights Reserved ...

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