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Symbols 

You will notice the following symbols on the Certa Petrol Demolition Concrete Saw and in 

this user guide: 

 

User guide 

 

Ensure you have read and are 

following the instructions, warnings 

and safety precautions outlined in 

this guide. 

 

Cutting disc dimensions 

 

Attention and caution required 

 

Never use circular saw blades! 

 

Forbidden 

 

Never use a damaged cutting 

disc 

 

Wear a helmet! 

Wear eye, respiratory and hearing 

protection! 

 

Combination switch 

  

Choke, on/stop  

 

Safety position 

 

 

Wear protective gloves! 

 

Start engine 

 

Wear respiratory protection! 

 

Stop engine 

 

Hazardous dust and/or gas 

emission! 

 

Warning: Kickback 

 

Fire hazard from flying sparks! 

 

Fuel and oil mixture 

 

No smoking! 

 

First aid 

 

No open fire! 

 

Recycling 

  On/off cutting wheel rotation 

 

Do not touch hot surfaces! 

 

Warning: The maximum peripheral 

speed of the cutting disc is 80 m/s! 

 

 

 

Summary of Contents for CTPTDCSAWA

Page 1: ...PETROL DEMOLITION CONCRETE SAW CTPTDCSAWA ...

Page 2: ...IMPORTANT Read this instruction manual carefully before putting the Certa Concrete Saw into operation and strictly observe the safety regulations Keep this instruction manual ...

Page 3: ...ature deterioration of fuel lines premature deterioration of gaskets premature deterioration of carburettors USING ALTERNATIVE FUELS AND OR 2 STROKE OILS NON COMPLIANT TO JASO FC OR ISO L EGD STANDARDS WITH THIS PRODUCT WILL VOID YOUR ENGINE WARRANTY Read this user guide carefully before operating the Certa Petrol Demolition Concrete Saw for the first time and strictly observe the safety regulatio...

Page 4: ...r saw blades Forbidden Never use a damaged cutting disc Wear a helmet Wear eye respiratory and hearing protection Combination switch Choke on stop Safety position Wear protective gloves Start engine Wear respiratory protection Stop engine Hazardous dust and or gas emission Warning Kickback Fire hazard from flying sparks Fuel and oil mixture No smoking First aid No open fire Recycling On off cuttin...

Page 5: ...to be familiar specifically with the operation of the Certa Petrol Demolition Concrete Saw Users insufficiently informed will endanger themselves as well as others due to improper handling Let only persons who have experience in using cut off saws work with this unit When letting another person use the Certa Petrol Demolition Concrete Saw this user guide must be provided along with it First time o...

Page 6: ...ective equipment ensure compliance with ANSI Z87 1 The kind of clothing should be appropriate i e it should be tight fitting but not be a hindrance Clothing in which grains of material can accumulate trousers with cuffs jackets and trousers with wide open pockets etc must not be worn particularly when cutting metal Do not wear any jewellery or clothing that can get caught or distract the operation...

Page 7: ...rotective gloves when refuelling not the regular work gloves Frequently clean and change protective clothes do not breathe in fuel vapours Inhalation of fuel vapours can be hazardous to your health Do not spill fuel If a spill occurs clean off the Certa Petrol Demolition Concrete Saw immediately Fuel should not come in contact with clothes If your clothes have come in contact with fuel change them...

Page 8: ...y mounted the protective hood is locked in place the hand guard is properly mounted the V belt has the proper tension the throttle moves easily and the half throttle lock button functions properly the grips are clean and dry and the combination switch functions properly Start stop l 0 switch choke Visually inspect the muffler for damage and possible dirt in the muffler area Stan the Certa Petrol D...

Page 9: ...ts Do not use defective cutting discs 12 Always tighten the cutting disc mounting bolt to a torque of 30 Nm Otherwise the cutting disc can twist Before starting the cutting disc make sure you have a steady footing Put the Certa Petrol Demolition Concrete Saw into operation only as described in this user guide 13 Always place your left foot in the rear handle and grasp the other handle firmly with ...

Page 10: ...unit in such a way that the disc is not touching anything and cannot endanger anyone Do not put the overheated Certa Petrol Demolition Concrete Saw in dry grass or on any inflammable objects The muffler is very hot danger of fire Important After wet cutting first turn off the water feed and then let the disc run at least 30 seconds to fling off the remaining water and prevent corrosion Kickback lo...

Page 11: ...d there is a danger that injuries may occur Working behaviour Method of working Check the integrity of the composite wheel both before and after fitting it to the machine Before starting work check the work area for any hazards electrical wires inflammable substances marks the work area for example with warning signs or by cordoning off the area When working with the Certa Petrol Demolition Concre...

Page 12: ...cutting round items always secure them against rotation When using synthetic resin cutting discs always observe the following Caution o Synthetic resin cutting discs can absorb moisture o This moisture can cause the disc to become unbalanced at high speed This imbalance can cause the disc to break o Do not cool resin cutting discs with water or other fluids o Do not expose resin cutting discs to h...

Page 13: ...structures always make a notch in the thrust pressure side and then cut from the tension side so that the disc does not lock in Secure cut off material from falling CAUTION If there is a chance that the material is under stress be prepared for it to kickback Make sure you can get out of the way if necessary Be particularly careful in scrap metal yards junkyards at accident sites and with haphazard...

Page 14: ...cut off Perform the cut with a steady back and forth motion When cutting slabs to size you need not cut through the entire material thickness creating unnecessary dust Instead simply make a shallow groove and then knock off the excess material cleanly on a flat surface 25 CAREFUL When cutting into lengths cutting through material making cut outs etc always make sure to plan the direction and seque...

Page 15: ...ox 1 Certa Petrol Demolition Concrete Saw 2 Cutting disc not in the general scope of delivery Country specific 3 Screwdriver for carburettor adjustment 4 Offset screwdriver 5 Universal wrench 13 19 6 User guide OVERVIEW 6 ...

Page 16: ...ubular handle 13 Starter handle 4 Wheel cover 14 Trigger control arm 5 Adjust handle 15 Trigger 6 Adjusting screw 16 Starter 7 Belt protection cover 17 Wheel 8 Tank cap 18 Muffler 9 Extinguishing switch 19 Cutting disc 10 Tubular handle cover 20 Big pressure plate 21 Screw ...

Page 17: ...erta Petrol Demolition Concrete Saw Always wear protective gloves Start the Certa Petrol Demolition Concrete Saw only after complete assembly and inspection For the following work use the assembly tools 13 19 AF combination wrench cross sleeve Allen key Carburettor adjustment screwdriver SETTING UP ...

Page 18: ...cond configuration image above Large plate 1 cutting plate the cutting direction is consistent with the arrow of the wheel housing Large plate 2 with the small step facing outward small plate then the M10x20 outer hexagonal screw The inner hole of the cutting disc is 25 4 which shall be installed in sequence as shown in the first configuration image above Large plate 2 small step outward cutting p...

Page 19: ...c First insert the Allen key into the middle hole of the belt protection cover The cutting disc cannot be rotated Use the cross sleeve M10x20 outer hexagon screws to loosen or tighten to complete the disassembly of the cutting disc ...

Page 20: ...oil Note For preparing the fuel oil mixture first mix the entire oil quantity with half of the fuel required then add the remaining fuel Thoroughly blend the mixture before filling it into the tank Caution Open the tank cap carefully as pressure might have built up inside It is not wise to add more engine oil than specified to ensure safe operation This will only result in higher production of com...

Page 21: ... Follow the safety precautions 2 Be careful and cautious when handling fuels 3 The engine must be turned off and cooled down 4 Carefully clean the area around the fuel tank filler neck to keep dirt from getting in the tank 5 Place the Certa Petrol Demolition Concrete Saw on an even surface 6 Unscrew the tank cap and fill tank with fuel mixture Take care to avoid spilling 7 Screw the tank cap back ...

Page 22: ...Saw only after complete assembly and inspection Move at least 3m 10 feet away from the location where you fuelled the Certa Petrol Demolition Concrete Saw Make sure you have a good footing and place the Certa Petrol Demolition Concrete Saw on the ground in such a way that the cutting disc is not touching anything 3 Meter If necessary OPERATING ...

Page 23: ...ee illustration The protective hood 1 can be moved between the stops in both directions Note A water supply line from a pressurised water tank or other sources is connected by the water set on the protective hood the water flow rate can be adjusted with the adjusting screw 2 Press the 1 2 hose into the holder For a slower flow turn the adjusting screw clockwise For faster flow turn it counter cloc...

Page 24: ...r 4 The half throttle lock will disengage and the engine will now idle Warm starting As described above for cold starting but before starting push the flameout switch 3 up Choke position and then right away back to the middle ON position This is only to engage the half throttle lock If the engine doesn t start after 2 or 3 pulls repeat the entire starting procedure as described for cold starting N...

Page 25: ...an be used for cutting all materials except metal The high durability of the diamond grains ensures low wear and thereby a very long service life with almost no change in disc diameter over the lifetime of the disc This gives consistent cutting performance and thus high economy The outstanding cutting quality of the discs makes the cutting easier The metal disc plates give highly concentric runnin...

Page 26: ...oncrete Saw away from children Before long term storage and before shipping the Certa Petrol Demolition Concrete Saw follow the instructions in this Care Maintenance section Always empty the fuel tank and run the carburettor dry When putting cutting discs in storage be careful to 1 Clean and dry the discs well CAUTION Do not clean synthetic resin cutting discs with water or other fluids 2 Store th...

Page 27: ...al maintenance and repair works described in the user guide All other work must be carried out by an approved Kogan com service representative Use only original spares and accessories The use of non original spares accessories or cutting disc sin creases the risk of an accident It cannot accept any responsibility for accidents or damage occurring in association with the use of cutting discs or acc...

Page 28: ...ap off the spark plug and wear protective gloves Start the Certa Petrol Demolition Concrete Saw only after complete assembly and inspection Important Because many of the parts and assemblies not specifically mentioned in this user guide are vital to the safe operation of the unit and because all parts are subject to a certain amount of wear and tear it is important for your safety that you have th...

Page 29: ...iginal position V belt is now tight tighten the nut 4 Remove Allen key from the hole 3 Put the belt cover 2 on and tighten the bolts 1 Note The V belt is highly elastic so it is not necessary to retighten it A worn V belt cause the cut off disc turns at the lowest idle speed In this case the V belt must be replaced Cleaning the protection hood Over time the inside of the protective hood can become...

Page 30: ...rge dirt particles can destroy the engine Do not work in dusty conditions when it can be avoided The fine dust generated when dry cutting concrete and stone is hazardous to the health of the operator and also shortens the service life of the product Whenever possible wet cut with water when working in concrete and stone to bind the dust Loosen both bolts 2 and remove the filler cover 1 Take the ai...

Page 31: ...an if necessary To clean the air filter insert spread it out slightly and carefully tap it against a clean surface Replace the air filter insert every 20 operating hours Note Check and clean the air filter every 6 hours Replace it immediately if there is a drop in power or speed or smoke in the exhaust Before installing the filter system check the intake opening to make sure no dirt particles have...

Page 32: ...Remove the ignition coil cap 5 Then remove the spark plug Checking the ignition spark Insert the combination tool 2 between the ventilation hood and cylinder only as shown in the illustration previous page Caution Do not insert the combination tool Into the spark plug hole but make contact only with the cylinder otherwise you may damage the engine Using insulated pliers hold the spark plug 3 unscr...

Page 33: ...ch start Cutting disc Protective hood Combination switch Safety locking button Throttle lever Tank cap Inspect for damage and make sure the cutting wheel is right for the job Adjust position Functional check Functional check Functional check Every day Idle speed Check cutting discs must not turn on idle Every week Starter housing Starter cable V belt Spark plug Muffler Screws and nuts Clean to ens...

Page 34: ...peed 1 min 3 000 Clutch engagement speed 1 min 4 200 Engine speed limitation 1 min 9 500 150 Max spindle speed 1 min 4 900 Fuel tank capacity Ml 550ml Mixture ratio fuel two stroke oil 40 1 Cutting disc for 80 m sec 1 in 12 1 Cutting disc for 80 m sec 1 3 in 12 0 9 Overall weight tanks empty without cutting disc kg 10 4 SPECIFICATIONS ...

Page 35: ...n in fuel supply system Compression system Mechanical malfunction No ignition spark Switch on STOP Fault or short circuit in the wiring Plug cap or spark plug defective Fuel supply Fuel tank is filled Choke in wrong position Carburettor defective Suction head dirty Fuel line bent or interrupted Compression system Inside Cylinder base packing ring defective Radial shaft packing defective Cylinder o...

Page 36: ...l tank Is filled Wrong idling adjustment Suction head or carburettor dirty Tank venting defective Fuel line interrupted Cable detective STOP switch defective Decompression valve dirty Insufficient power N A Engine is idling Air filters dirty Incorrect carburettor adjustment Muffler clogged Exhaust channel in cylinder clogged Spark arrester screen clogged ...

Page 37: ...NOTES ...

Page 38: ...NOTES ...

Page 39: ...NOTES ...

Page 40: ...tion We hope that this user guide has given you the assistance needed for a simple set up For the most up to date guide for your product as well as any additional assistance you may require head online to help kogan com ...

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