Homelite HG5700 User Manual - Page 19

MAINTENANCE CLEANING THE EXHAUST PORT AND MUFFLER Depending on the type of fuel used, the type and amount of lubricant used, and/or your operating conditions, the exhaust port and muffler may become blocked with carbon deposits. If you notice a power loss with your gas-powered products, you may need to remove these deposits to restore performance. We highly recommend that only qualified service technicians perform this service. spark arrestor See Figure 14.  Inspect the spark arrestor for breaks or holes. Replace if necessary. To purchase a replacement spark arrestor contact Homelite customer service at 1-800-242-4672.  Use a brush to remove carbon deposits from the spark arrestor screen as needed. draining fuel tank/carburetor See Figures 15 - 16. To help prevent gum deposits in the fuel system, drain the fuel from the tank and carburetor before storing. DRAINING THE FUEL TANK  Turn the engine switch off ( O ).  Turn the fuel valve to the OFF position.  Remove the fuel line from the petcock by squeezing the ends of the retaining clip and sliding the fuel line off.  Install one end of a drain line over the petcock, and place the other end in a fuel container large enough to catch the fuel being drained from the tank.  Turn the fuel valve to the ON position.  When the fuel has drained from the tank, close the fuel valve and reinstall fuel line on petcock. draining the carburetor  Turn the engine switch off ( O ).  Turn the fuel valve to the OFF position.  Position a suitable container under the carburetor drain screw to catch fuel; loosen the screw.  Allow fuel to drain completely into container.  Retighten drain screw. NOTE: Consult hazardous waste management guidelines in your area for the proper way to dispose of used fuel. Transporting  Turn engine switch OFF ( O ).  Turn the fuel valve to the OFF position.  Make sure engine and exhaust of unit is cool.  Empty the fuel tank.  Do not drop or strike unit or place under heavy objects. fuel line Page 19 - English fuel valve petcock carburetor drain screw Fig. 14 Fig. 15 Fig. 16