RedMax HC510DV manual MA4 MA5 Cooling AIR Passage, Blade Drive Belt,  22 

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9. Maintenance

MA4

MA5

■COOLING AIR PASSAGE

WARNING

•Do not touch the cylinder, muffler or spark plug by bare hands immediately after stopping the engine. There is a danger of burn for its high temperature.

•On the starting inspection, check the muffler and clean if there are adhered wood chips or dry leaves. Those may cause overheating of the muffler. Also to avoid fire, keep clean the muffler area.

This engine is an air cooling type. If cooling air inlet or cylinder fins are choked with debris, the engine may overheat and cause troubles. Check and remove debris from time to time. (MA4)

(1)Air Inlet

(2)Cylinder fin

IMPORTANT

•When the spark plug or air filter is removed for cleaning, cover the fixing hole or the air inlet with cloth to avoid dusts.

•The covers shall be reassembled correctly as original. Failure in assembling may result in irregular wear or damage of components by machine vibrations.

■BLADE DRIVE BELT

On the starting inspection, check tension and wear status of a blade drive belt. Adjust or exchange it if necessary.

Belt Tension

The belt is normal if it sags about 5mm by pushing the belt outward with a finger. (MA5)

(1) Blade drive belt

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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