Tanaka TCH22ECP2 Owner's Manual - Page 6
Troubleshooting
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English Cleaning the cylinder fins (Fig. 15) When leaves get caught between cylinder fins (7), the engine may overheat, resulting in lower output. To avoid this, always keep cylinder fins and cylinder cover clean. Every 100 operating hours, or once a year (more often if conditions require), clean fins and external surfaces of engine of dust, dirt and oil deposits which can contribute to improper cooling. 0 0 Fig. 15 Cleaning the muffler (Fig. 16) Remove the muffler and spark arrestor (if so equipped), and clean out any excess carbon from the exhaust port or muffler inlet every 100 hours of operation. O Check that the blade nut is sufficiently tightened. O Make sure that the blade blunt guard is undamaged and that it can be securely fitted. O Check that nuts and screws are sufficiently tightened. Weekly maintenance O Check the starter, especially cord and return spring. O Clean the exterior of the spark plug. O Remove it and check the electrode gap. Adjust it to 0.024" (0.6 mm), or change the spark plug. O Clean the cooling fins on the cylinder and check that the air intake at the starter is not clogged. O Check gear case is filled with grease. O Clean the air filter. Monthly maintenance O Rinse the fuel tank with gasoline. O Clean the exterior of the carburetor and the space around it. O Clean the fan and the space around it. English TROUBLESHOOTING Use the inspections in the table below if the tool does not operate normally. If this does not remedy the problem, consult your dealer or the Tanaka dealer. Tool Symptom Does not operate. Possible cause Foreign matter is lodged in the blade. Remedy When there is foreign matter in the blade, use a pair of tongs or similar tool to remove it. Take great care since the tool may start operating when the foreign matter has been removed. Sap or rust may also prevent the blade from operating. Use a wire brush or similar tool to remove sap or rust. The tool does not trim well. The blade stopped because it was used to cut a branch whose width exceeded the blade's cutting capacity. NOTE Work that will repeatedly cause the blade to stop will eventually damage the tool. Some garden trees have wood that is very hard and may be beyond the capacity of the tool even if it is of a width that is within normal capacity. Use a pair of pruning shear to remove thick branches before starting work. An oblique cut may also exceed the capacity of the tool since the length of the cut increases. Be sure to trim thick branches Fig. 16 For long-term storage Drain all fuel from the fuel tank. Start and let engine run until it stops. Repair any damage which has resulted from use. Clean the unit with a clean rag, or high pressure air hose. Put a few drops of twocycle engine oil into the cylinder through the spark plug hole, and spin the engine over several times to distribute oil. Cover the unit and store it in a dry area. Maintenance schedule Below you will find some general maintenance instructions. For further information please contact your Tanaka dealer. Daily maintenance O Clean the exterior of the hedge trimmer. O Check the blade guide for damage or cracks. Change the guard in case of impacts or cracks. O Check that the blade is sharp, and without cracks. 10 11