Tanaka TCS33EB16S Manual - Page 18

English 45. Top plate 46. Cutting corner 47. Side plate 48. Gullet 49. Heel 50. Chassis 51. Rivet hole 52. Toe 53. Depth gauge 54. Correct angle on top plate (degree of angle depends on chain type) 55. Slightly protruding "hook" or point (curve on non- chisel chain) 56. Top of depth gauge at correct height below top plate 57. 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. 47) 5548 5548 5584 Fig. 49 5) Keep all cutters the same length. (Fig. 50) 59 Fig. 50 60 Fig. 51 6) File enough to remove any damage to cutting edges (side plate (61) and top plate (62)) of cutter. (Fig. 52) Fig. 47 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. 48) Fig. 48 General instructions for filing cutters File (58) cutter on one side of the chain from the inside out. File on forward stroke only. (Fig. 49) 61 62 Fig. 52 WARNING ○ Do not file or alter the tops of bumper drive links (59) and guard tie strap (60) (Fig.50, 51). ○ Adjust the depth gauge to the specified setting. Sharpening angles for sharpening saw chain 1. Part Number 91VG/91PX 2. Pitch 0.025" 3. Depth Gauge Setting 80° 4. Side Plate Filing Angle 3/8" 0.025" 80° 5. Top Plate Angle 30° 90° 6. File Guide Angle 90° 18