User manual MTD TB4920CC

[. . . ] For your own safety, please read and follow the safety precautions in this manual before attempting to operate your chain saw. SAVE THESE INSTRUCTIONS P/N 9096-31B201 (5/04) PRINTED IN TAIWAN DO NOT THROW AWAY INTRODUCTION THANK YOU Thank you for buying this quality product. This modern outdoor power tool will provide many hours of useful service. This operator’s manual provides you with easy-tounderstand operating instructions. [. . . ] Running the saw with too little oil will decrease cutting efficiency, shorten saw chain life, cause rapid dulling of chain, and cause excessive wear of bar from overheating. Too little oil is evidenced by smoke, bar discoloration or pitch build-up. 8 Automatic Oiler Your chain saw is equipped with an automatic gear driven oiler system. The oiler automatically delivers the proper amount of oil to the bar and chain. The amount of oil flowing to the bar and chain may be changed by turning the adjustment screw (D) as shown in Fig. Turn the screw clockwise to DECREASE oil flow and counterclockwise to INCREASE the flow. 10 11 OPERATING INSTRUCTIONS FELLING Felling is the term for cutting down a tree. Small trees up to 6-7 inches (15-18cm) in diameter are usually cut in a single cut. Never walk in front of a tree that has been A retreat path (A) should be planned and cleared as necessary before cuts are started. The retreat path should extend back and diagonally to the rear of the expected line of fall, as illustrated in Fig. WARNING: Make the felling cut (D) from the other side of the tree and 1. A tree on CAUTION: If fellingground, the sloping chain saw operator should keep on the uphill side of the terrain, as the tree is likely to roll or slide downhill after it is felled. Before any cuts are made, consider the location of larger branches and natural lean of the tree to determine the way the tree will fall. If the trunk is completely cut through, control over the felling direction is lost. The WARNING: Before makingrecheck final cut, always B the area for bystanders, animals or obstacles. Insert a wedge or felling lever in the cut well before the tree becomes unstable and starts to move. This will prevent the guidebar from binding in the felling cut if you have misjudged the falling direction. Make sure no bystanders have entered the range of the falling tree before you push it over. Use wooden or plastic wedges (G) to prevent binding the bar or chain (H) in the cut. When diameter of wood being cut is greater than the bar length, make 2 cuts as shown (Fig. 12 Do not cut down a tree during high or changing winds or if there is a danger to property. Do not cut down a tree if there is a danger of striking utility wires; notify the utility company before making any cuts. [. . . ] WARNING: 20 TROUBLESHOOTING UNIT WON’T START OR STARTS BUT WILL NOT RUN CAUSE Incorrect starting procedures Incorrect carburetor mixture adjustment setting Fouled spark plug ACTION Follow instructions in the Starting/Stopping section Have carburetor adjusted by Authorized Service Center Clean / gap or replace plug UNIT STARTS, BUT ENGINE HAS LOW POWER CAUSE Fuel filter is plugged Incorrect lever position Dirty spark arrester screen Dirty air filter Incorrect carburetor mixture adjustment setting ACTION Replace the fuel filter Move to Position 3 Replace spark arrester screen. Have carburetor adjusted by Authorized Service Center ENGINE HESITATES CAUSE Incorrect carburetor mixture adjustment setting ACTION Have carburetor adjusted by Authorized Service Center NO POWER UNDER LOAD CAUSE Incorrect carburetor mixture adjustment setting ACTION Have carburetor adjusted by Authorized Service Center RUNS ERATICALLY CAUSE Incorrectly gapped spark plug ACTION Clean / gap or replace plug SMOKES EXCESSIVELY C A U SE Incorrect carburetor mixture adjustment setting Incorrect fuel mixture ACTION Have carburetor adjusted by Authorized Service Center Use properly mixed fuel (40:1 mixture) If further assistance is required, contact your authorized service dealer. 21 MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by Troy-Bilt LLC with respect to new merchandise purchased and used in the United States, its possessions and territories. Troy-Bilt LLC warrants this product against defects in material and workmanship for a period of One (1) year commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in material or workmanship. [. . . ]