RedMax HC510DV manual Operation Safety Precautions,  10 

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5. For safe operation

the other one’s presence and how to sign the danger etc.

d. Fix the cutting object if it is unfixed.

e. Never operate the engine without wheel guard.

f.Adjust the wheel guard to deflect sparks, dust, and material away from the operator and flammable materials.

g.Inspect the entire unit for loose fasteners and fuel leakage. Make sure that the blade is properly installed and securely fastened.

h.The product is equipped with a centrifugal clutch mechanism, so the wheel begins to rotate as soon as the engine is started when the throttle is in the start position. When starting the engine, place the unit on firm ground or other solid surface in an open area and hold it firmly in place so as to ensure that neither the wheel comes into contact with any obstacle when the engine starts.

i.Never attempt to drop-start the engine.

j.Be sure the wheel does not turn while the engine is idling. Adjust the carburetor if necessary.

OPERATION SAFETY PRECAUTIONS

a. Grip the handles firmly with both hands. Place your feet slightly apart so that your weight is distributed evenly across both legs, and always be sure to maintain a steady, even posture while working.

b. Keep all parts of your body away from rotating wheel.

c. Never raise the engine speed above the maximum spindle speed (3000 1/min(rpm)).

d. If the unit start to shake or vibrate, turn off the engine and check the whole unit. Do not use it until the trouble has been properly corrected.

e. Keep the wheel always sharp. While using the unit, if the wheel won’t cut well caused by clogging, set the teeth of the saw by cutting concrete block, clayware or sandstone.

f.Avoid standing in a direct line with the cutting wheel.

g.Never force to push off the wheel on the cutting object.

h.Use only downward pressure on the saw, as lateral pressure may cause the blade to brake and shatter.

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Contents HC510DV T2069-93110Page Safety First ContentsParts location Specifications 4   5  Symbols on the machine  6 For safe operation Before Using the Machine 7  Working Gear and Clothing  8  9  Operation Safety Precautions  10 After Using the SAW Maintenance Safety Precaution 11  Change of Dust Stopper Set upSE1  12 Fitting Dust Hose and Dust BAG SE2 SE3 SE4 Mounting of Cutter BladeCutter blade Flange bolt Flange washer a Dust hose Metal band Dust bag Tying Cord 14  HOW to MIX FuelFuel Recommended Mixing Ratio Gasoline 50OILFueling the Unit For Your Engine LIFE, AvoidClose OperationOP1 OP2 Starting Engine  16 OP3 OP4 OP5 Safety lock Start setting button Throttle leverDecomp valve Stopping Engine SwitchOP6 OFFFront guide Horizontal Cutting OP7 OP8 Cutting OperationFor AN Efficient Cutting Operation Vertical CuttingAir cleaner cover Top plate Felt filter MaintenanceAIR Cleaner MA1Spark Plug MA2MA3 NGK BPM8YBlade Drive Belt MA4 MA5 Cooling AIR Passage 22  MA6 MA7 MA8 MA9 Disassembling ProcedureBelt Exchange Assembling Procedure  24 MA14 FAN Drive Belt Belt Tension Adjustment and ExchangeIdler pulley Belt adjustment plate Bolt Tighten Slacken  25 MA15 Engine Adjustment MA15When adjusting, take the following steps  26  27  Starter Rope Exchange  28 MA19 MA20 MA21 Notch 30  Storage  31 Check Probable Causes Action Troubleshooting guide 32  Parts list  33 Cutter Unit HC510DV S/N 200101 and up  34  35  Power Unit 1 HC510DV S/N 200101 and up  36  37  Power Unit 2 HC510DV S/N 200101 and up  38  39  Carburetor HC510DV S/N 200101 and up  40 Accessories & Tool SET HC510DV S/N 200101 and up  41 Manufacturer’s warranty coverage Limited Warranty RedMax Garantie limitée