Tanaka TCS40EA18 Owner's Manual - Page 14
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English Cleaning the cylinder fins (Fig. 39) When wood chips are caught between cylinder fins (40), the engine may overheat, resulting in lower output. To avoid this, always keep cylinder fins and fan case 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. 40 50 51 52 53 Fig. 42 Fig. 39 Cleaning the muffler (Fig. 40) 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. Fig. 40 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 the use of high pressure air hose. Put a few drops of two-cycle 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. CHAIN SHARPENING Parts of a cutter (Fig. 41, 42) 42 41 WARNING ○ Gloves should be used when sharpening chain. ○ Be sure to round off the front edge to reduce the chance of kickback or tie-strap breakage. 41. Top plate 42. Working corner 43. Side plate 44. Gullet 45. Heel 46. Chassis 47. Rivet hole 48. Toe 49. Depth gauge 50. Correct angle on top plate (degree of angle depends on chain type) 51. Slightly protruding "hook" or point (curve on non-chisel chain) 52. Top of depth gauge at correct height below top plate 53. Front of depth gauge rounded off LOWERING DEPTH GAUGES WITH A FILE 1) If you sharpen your cutters with a file holder, check and lower the depth. 2) Check depth gauges every third sharpening. 3) Place depth gauge tool on cutter. If depth gauge projects, file it level with the top of the tool. Always file from the inside of the chain toward an outside cutter. (Fig. 43) 43 44 45 46 47 49 48 Fig. 41 Fig. 43 4) Round off front corner to maintain original shape of depth gauge after using depth gauge tool. Always follow the recommended depth gauge setting found in the maintenance or operator manual for your saw. (Fig. 44) Fig. 44 14