Makita EK7300 Instruction Manual

Also see for EK7300: Operator's and safety manual Instruction manual Operator's and safety manual Operator's and safety manual

610111312min. 5 m14● Maintenance● Refuelling● Changing cutoff discs● Repositioning thecutting attachment● Stopping work● Transport● Putting out of functionCutoff discs- The protection hood must always be on! Change discs onlywith the engine off!- There are two basic types of cutoff discs:- For metal (hot cutting)- For masonry (cold cutting)NOTE:When using diamond cutoff discs, always make sure to observethe "direction of rotation" markings. Diamond discs should only beused for cutting masonry/brick/ concrete etc.- Cutoff discs are intended only for radial loading, i.e. for cutting.Do not grind with the sides of the cutting disc! This will breakthe disc (10)!Caution!Never change direction (turning radius less than 5 meters /5 1/2 yards), exert lateral (sideways) pressure, or tip the PowerCut during cutting (11)!- Use a cutting disc only for cutting the materials it is intendedfor. The proper type of disc must be used, for either metals ormasonry.- The arbor hole of the cutting disc must be an exact fit with thearbor or shaft. If the arbor hole is larger, it must be fitted with anadapter ring (available as an accessory).- The cutting disc must be rated for freehand cutting at up to 3850rpm or 80 m/sec for 400 mm discs, 4370 rpm or 80 m/sec for350 mm discs, or up to 5100 rpm or 80 m/s for 300 mm discs.Use only cutting discs that comply with EN 12413, EN 13236.- The disc must be free of defects (12). Do not use defective cut-ting discs.Always tighten the cutting disc mounting bolt to a torque of 30Nm. Otherwise, the cutting disc can twist.- Before starting the cutting disc, make sure you have a steadyfooting.- Put the Power Cut into operation only as described in this instruc-tion manual (13). Always place your left foot in the rear handleand grasp the other handle firmly (with thumb and fingers). Otherstarting methods are not allowed.- When starting the Power Cut it must be well supported andsecurely held. The cutting disc must not be touching anything.- If the cutting disc is new, test it by running it at least 60 secondsat top speed. When doing this, make sure that no persons orbody parts are in the extended swing range of the disc, in caseit is defective and flies apart.- When working with the Power Cut always hold it with bothhands. Take the back handle with the right hand and the tubu-lar handle with the left hand. Hold the handles tightly with yourthumbs facing your fingers.- CAUTION: When you release the throttle lever the disc willkeep spinning for a short period of time (free-wheeling effect).- Continuously ensure that you have a safe footing.- Hold the Power Cut such that you will not breathe in the exhaustgas. Do not work in closed rooms or in deep holes or ditches(danger of poisoning by fumes).- Switch off the Power Cut immediately if you observe anychanges in its operating behavior.- Switch off the engine before inspecting the V-belt tensionor tightening it, replacing the cutting wheel, repositioningthe cutter attachment (side or middle position) or eliminatingfaults (14).- Turn off the engine immediately and check the disc if you hearor feel any change in cutting behaviour.- Turn off the Power Cut when taking a break or stopping work(14). Place the unit in such a way that the disc is not touchinganything and cannot endanger anyone.- Do not put the overheated Power Cut in dry grass or on anyinflammable objects. The muffler is very hot (danger of fire).- IMPORTANT: After wet cutting, first turn off the water feed andthen let the disc run at least 30 seconds, to fling off the remainingwater and prevent corrosion.