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Working safely with cut-off machines

English

5

Only use the abrasive wheel approved 
for the type of material to be cut. There 
are different types of abrasive wheels, 
each specially marked. With respect to 
composite wheels, for example:

1.

Stone
Also can be used for concrete, 
masonry, reinforced concrete and 
brick cutting.

2.

Steel
Can be used for all ferrous metal 
cutting.

3.

Asphalt
Also can be used for aggregate 
concrete cutting.

4.

Ductile iron
Also can be used for certain grades 
of cast iron (SG 17-24), bronze and 
copper cutting.

For cutting composite materials please 
ask your STIHL dealer.

Diamond Abrasive Wheels

Diamond abrasive wheels have a much 
better cutting performance than 
composite abrasive wheels. The 
diamond wheels are steel centered, and 
diamond particles are imbedded in their 
cutting edges.

They can be used for concrete, asphalt, 
natural stone, clay pipe, brick and the 
like.

They are not normally suitable for cutting 
metal or other materials.

Wet or dry cutting is possible. Water 
attachments are included with your 
STIHL cut-off machine. See the 
appropriate section of your instruction 
manual.

Always fit the wheel so that the arrow on 
the wheel points in the direction of the 
rotation of the spindle.

THE USE OF THE POWER TOOL

Transporting the STIHL Cutquik

By hand: When carrying your cut-off 
machine by hand, the engine must be 
stopped and the cut-off machine must 
be in the proper position. Grip the front 
handle and place the muffler at the side 
away from the body.

By vehicle: Properly secure your cut-off 
machine to prevent turnover, fuel 
spillage and damage to the cut-off 
machine. Never transport with cutting 
wheel mounted. A wheel damaged 

Warning!

Use of the wrong abrasive wheel or the 
cutting of material for which the wheel 
was not designed may cause the wheel 
to shatter causing serious or fatal injury.

Warning!

Do not remount a used diamond abra-
sive wheel without first inspecting for 
under-cutting, flatness, core fatigue, 
segment damage or loss, signs of over-
heating (discoloration) and possible 
arbor hole damage. See the chapter 
"Diamond Cutting Wheels." Check the 
wheel for cracks and make sure that no 
pieces have broken off the wheel before 
use.

Warning!

To reduce the risk of injury from unin-
tended activation and / or contact with a 
moving wheel, always stop the engine 
before putting a cut-off machine down or 
carrying it. The abrasive wheel contin-
ues to rotate (coast down) for a short 
while after the throttle trigger is released 
(flywheel effect). Bring the wheel to a 
stop by lightly contacting the bottom of 
the wheel with a hard surface or wait 
until the wheel comes to a complete 
stop on its own. Carrying a cut-off 
machine with the engine running is 
extremely dangerous. Accidental accel-
eration of the engine can cause the 
wheel to rotate. Avoid touching the hot 
muffler.

Warning!

Always protect the cutting wheel from 
hitting the ground or any other objects. 
Damaged wheels may shatter and 
cause serious or fatal injury.

All manuals and user guides at all-guides.com

Summary of Contents for Cutquik TS-420

Page 1: ...ely with cut off machines Warning Read and follow all safety precautions in Instruction Manual improper use can cause serious or fatal injury All manuals and user guides at all guides com a l l g u i...

Page 2: ...All manuals and user guides at all guides com...

Page 3: ...uctions and safety precautions regarding your cut off machine Please note that the illustrations in the chapter Main Parts of the Machine in this manual show the cut off machine STIHL Cutquik TS 420 O...

Page 4: ...ved to reduce the risk of per sonal injury and fire It is important that you read fully understand and observe the following safety precautions and warnings Read the instruction manual and the safety...

Page 5: ...checked regularly Warning The ignition system of your unit pro duces an electromagnetic field of a very low intensity This field may interfere with some pacemakers To reduce the risk of serious or fat...

Page 6: ...illness For additional details and warnings on this subject see information under Working Conditions in this instruction manual Warning Never modify a cut off machine in any way Only attachments suppl...

Page 7: ...osition Grip the front handle and place the muffler at the side away from the body By vehicle Properly secure your cut off machine to prevent turnover fuel spillage and damage to the cut off machine N...

Page 8: ...or fuel mix Do not smoke or bring any fire or flame near the fuel or the power tool Note that combustible fuel vapor may escape from the fuel system Warning Dust may collect on the powerhead especial...

Page 9: ...ecure footing Be absolutely sure that the cutting wheel is clear of you and all other obstructions and objects including the ground When the engine starts at starting throttle engine speed will be fas...

Page 10: ...and Do not allow the grip to snap back but guide the starter rope slowly back to permit the rope to rewind properly Fail ure to follow this procedure may result in injuries to hand or fingers and may...

Page 11: ...spiratory illness or cancer The use and disposal of asbestos containing products have been strictly regulated by OSHA and the Environmental Protec tion Agency Do not use your cut off machine to cut or...

Page 12: ...hat power water and gas have been shut off and pipes drained before starting to cut Warning The wheel guard is adjustable It is extremely important that the wheel guard is in place and set to suit the...

Page 13: ...machine will try to pull away from the operator pull away If the contact is at the front of the wheel the wheel may attempt to climb the object being cut climbing Pinching occurs when the piece being...

Page 14: ...r a pipe in a trench that if not prop erly supported can sag upon completion of the cut creating a pinch not where you are actually cutting but rather at or near the top of the work piece If the pinch...

Page 15: ...achine for cutting only It is not designed for prying or shoveling away any objects 12 Be especially alert for reactive forces including kickback when cutting with the front and upper quadrant of the...

Page 16: ...ect skin contact and do not inhale the gas vapors Warning Use only STIHL replacement parts for maintenance and repair Use of parts manufactured by others may cause seri ous or fatal injury Warning Alw...

Page 17: ...for wet cutting If the water flow rate is too high the cutting wheel may skim on the water surface in the cut and greatly reduce cutting performance To avoid this do not exceed a water flow rate of ab...

Page 18: ...severed How heavy is the part In which direction can it move after being severed Is it under tension Helpers must not be put at risk of injury when the part is broken off or out Cutting in several pa...

Page 19: ...on These ridges can subsequently be broken through Cutting shapes on pipes N Mark the cutting line N Cut a guiding groove along the marked cutting line starting at the top and moving out towards both...

Page 20: ...can be avoided by choosing and using the correct composite resin cutting wheel The short name e g asphalt concrete on the label and on the packaging table with recommended uses can help to ensure the...

Page 21: ...ife and efficient operation of the diamond cutting wheel Using a cutting wheel on a cut off machine with defective spindle bearing can lead to axial and radial run out Excessive radial run out A cause...

Page 22: ...he cutting wheel for stone by briefly cutting in abrasive material use a new cutting wheel for cutting asphalt Poor cutting performance high level of segment wear Cutting wheel rotates in the wrong di...

Page 23: ...nt back and forth in the cutting plane Built up edges increase vibrations reduce cutting performance and cause sparking Diamond cutting wheels must be dressed at the first sign of built up edges For t...

Page 24: ...uel pick up body in fuel tank test check X Replace X X X Fuel tank Clean X Ribbed V belt Clean retension X X Replace X X Air filter all filter components Replace Only if there is a noticeable loss of...

Page 25: ...e X 1 STIHL recommends STIHL servicing dealers 2 present only in some countries The following maintenance intervals apply in normal operating conditions The specified intervals must be shortened accor...

Page 26: ...achment 9 Tensioning Nut 10 Adjusting Lever 11 Abrasive Wheel 12 Front Thrust Washer 13 Guard 14 Muffler 15 Spark Arresting Screen 16 Front Handle 17 Decompression Valve 18 Cap for Spark Plug Boot 19...

Page 27: ...pressure of mounting nut evenly over cutting wheel 13 Guard Guards the wheel and deflects sparks dust cutting debris or wheel fragments 14 Muffler Reduces engine exhaust noises and diverts exhaust gas...

Page 28: ...te of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are lead from lead based paints and crystalline silica from bricks and cement and other mason...

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