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Univent PS-COS12, Manual

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Univent PS-COS12 Manual Download Page 12

12

– English

WHAT IS WHAT?

1. Cylinder cover

2. Muffler

3. Fuel tank

4. Rear handle

5. Choke / Throttle trigger lockout

6. Throttle catch

7. Stop switch

8. Cutting head

9. Cutting arm

10. Belt tensioning screw

11. Cutting blade

12. Throttle

What is what on a power cutter?

13. Combination spanner

14. Air filter cover

15. Blade guard

16. Starter handle

17. Operator’s manual

18. Adjustment lever for blade guard

19. Front handle

20. Starter

21. Decompression valve

22. Warning decal

23. Type plate

17

13

11

8

10

9

12

21

2

15

18

4

7

3

16

20

1

19

14

5

6

22

23

Summary of Contents for PS-COS12

Page 1: ...PS COS12 PS COS14 Saw Manual 3924 E Trent Ave Spokane WA 99202 509 535 7746 FAX 509 535 9064 1 800 745 3282 ...

Page 2: ...terials such as petrol gas wood dry grass etc WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are Lead from lead based paints Crystalline silica from bricks and cement and other masonry products Arsenic a...

Page 3: ...See chapter Maintenance section Carburetor When adjusted correctly the cutting blade should not rotate when idling Setting the idling speed is described in the Operator s Manual Adjust the speed according to these instructions Do not use the power cutter if the idling speed is not correctly adjusted Let your Husqvarna dealer check the power cutter and carry out essential adjustments and repairs Ma...

Page 4: ...the cutting equipment is suspended in a handle system via anti vibration elements 2 Stop switch The stop switch should be used to stop the engine WARNING Incorrect or careless use of a power cutter can turn it into a dangerous tool that can cause serious or even fatal injury It is extremely important that you read and understand this manual PERSONAL PROTECTIVE EQUIPMENT WARNING When using a power ...

Page 5: ...stops when the stop switch is moved to the stop position 3 Muffler WARNING During use and for some time after the muffler is very hot Do not touch the muffler if it is hot MPORTANT INFORMATION It is extremely important that the instructions for checking maintaining and servicing the muffler are followed see the section Control maintenance and service of the machine s safety equipment 5 Blade guard...

Page 6: ...nsport the power cutter with the cutting blade fitted WARNING Check that the cutting blade is fitted correctly and does not show signs of damage A damaged cutting blade can cause personal injury WARNING Never use a power cutter with defective safety equipment The power cutter s safety equipment should be checked and maintained as described in this Operator s Manual If your power cutter does not me...

Page 7: ...ability Check that no one is in the immediate vicinity when the machine is started or while working with the machine to ensure that people animals or other things cannot affect your control of the power cutter Avoid usage in unfavourable weather conditions for example thick fog heavy rain strong winds or extreme cold etc To work in bad weather conditions is tiring and can create dangerous circumst...

Page 8: ...can become out of shape not round and vibrate if a too high feeding pressure is used or if the blade is pressed into the work piece A lower feeding pressure ought to stop the vibration Otherwise replace the cutting blade Cutting technique The technique described below is of a general character Check information for each blade regarding individual cutting characte ristics For example a diamond blad...

Page 9: ...eed is stated on the unit WARNING If the speed is higher than that stated then the unit must be adjusted by an authorised service workshop before it is used Care and storage General Husqvarna s power cutters are robust and durable However as they are used for high speed operations all servicing should be carried out on time and as specified so that the power cutter always works effectively and saf...

Page 10: ...shorter service life which results in higher cost per processed material General characteristics Universal usage economical Unbeatable for steel not suitable for concrete etc Material Concrete asphalt stone brickwork cast iron aluminium copper brass cables rubber etc Steel steel alloys and other hard metals Blade type Con crete Metal Water cooling Can be used to reduce dust The disc should not be ...

Page 11: ...owever the blades are still damaged by excessive heat It is good economics to let the blade cool by simply lifting the blade from the cut every 30 60 seconds and let it rotate in the air for 10 seconds to cool Type of cutting blades The cutting blade should be marked with the same or a higher speed than that stated on the machine s rating plate Never use a cutting blade with a lower speed rating t...

Page 12: ...ng arm 10 Belt tensioning screw 11 Cutting blade 12 Throttle What is what on a power cutter 13 Combination spanner 14 Air filter cover 15 Blade guard 16 Starter handle 17 Operator s manual 18 Adjustment lever for blade guard 19 Front handle 20 Starter 21 Decompression valve 22 Warning decal 23 Type plate 17 13 11 8 10 9 12 21 2 15 18 4 7 3 16 20 1 19 14 5 6 22 23 ...

Page 13: ...he contact surfaces of the cutting blade and flanges are flat run correctly on the spindle and are free from foreign objects Do not use flanges that are twisted have damaged edges untrue or dirty Do not use different size flanges 4 A B A 2 3 WARNING 16 inch blade and blade guard should only be used on power cutters originally equipped with a 16 blade guard If a blade guard is fitted as a spare par...

Page 14: ...nsure that the correct mixture is obtained When mixing small amounts of fuel even small inaccuracies can drastically affect the ratio of the mixture Always provide for good ventilation when handling fuel Fuelmix Gasoline This engine is certified to operate on unleaded gasoline Use good quality unleaded gasoline The lowest recommended octane rating is 87 If you run the engine on lower octane rating...

Page 15: ... cord completely and do not release the starter from the fully extended position This can damage the power cutter When the engine starts quickly apply full throttle and the starter throttle catch will automatically disengage WARNING The cutting blade can rotate when the engine starts Make sure it can rotate freely Stop The engine is stopped by switching off the ignition Slide the stop switch to th...

Page 16: ... A new drive belt should be tensioned after using one tank of fuel MAINTENANCE WARNING Never use a power cutter without a blade guard over the cutting blade Changing the drive belt Loosen the two bolts A Turn the tensioning screws B until the tension has been released Remove the two bolts A Remove the front belt cover C Remove the belt from the pulley Dismantle the cutting head Remove bolt E and n...

Page 17: ...sting the carburetor while a dirty air filter is in use will result in a leaner mixture when the filter is finally cleaned This can give rise to serious engine damage Carefully turn the L and H needle to the mid point Do not attempt to adjust the needles beyond the stops as damage can occur Now start the engine according to the starting instructions and run it warm for 10 minutes NOTE If the blade...

Page 18: ...efully It is extremely important that the entire filter is saturated in oil MAINTENANCE Fuel filter The fuel filter sits inside the fuel tank The fuel tank must be protected from contamination when filling This reduces the risk of operating disturbances caused by blockage of the fuel filter The filter cannot be cleaned but must be replaced with a new filter when it blocked The filter should be cha...

Page 19: ...pprox 2 turns clockwise NOTE Ensure the starter pulley can be turned at least a further 1 2 turn when the starter cord is fully extended Fitting the starter Fit the starter by first pulling out the starter cord and then placing the starter in position on the crankcase No slowly release the starter cord so that the pawls grip in the pulley Fit and tighten the screws that hold the starter Starter WA...

Page 20: ...t spark plug can damage the cylinder piston Cooling system To maintain as low an operating temperature as possible the power cutter is equipped with a cooling system The cooling system consists of 1 An air intake on the starter unit 2 Air flow guide 3 Cooling fins on the flywheel 4 Cooling fins on the cylinder 5 Cylinder cover leads cold air onto the cylinder Clean the cooling system using a brush...

Page 21: ...eck the clutch drum drive pulley and clutch springs with regard to wear 17 Clean the outside of the carburettor 18 Check the fuel filter fuel hose change if necessary 19 Clean the inside of the fuel tank 20 Check all cables and connections Daily maintenance 1 Check that throttle components work correctly from a safety view point throttle and starter throttle catch 2 Check the tension of the drive ...

Page 22: ...pe Fuel capacity US pint litre Weight Without fuel and cutting blade Lbs kg 12 300 mm 14 300 mm 371K 4 3 70 7 1 97 50 1 4 36 2 500 9 800 250 3 5 9 300 FHP CD Champion RCJ 7Y NGK BPMR 7A 0 02 0 5 Walbro HD 20 1 63 0 77 20 7 9 4 Cutting equipment Cutting blade Gear ratio Max peripherical speed 12 1 1 97 80 m s 14 1 1 97 100 m s 375K 4 6 74 7 2 02 51 4 1 4 36 2 500 9 800 250 3 7 9 800 SEM CD Champion...

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