After the single-cylinder diesel engine is used to hold the shaft, the following method can be used to change the wattage, and if necessary, the shaft is ground. This method is simple and easy, and it is not necessary to disassemble the cylinder head and the piston connecting rod set, and it is not necessary to adjust the valve clearance, which saves time and labor.
(1) If the crankshaft does not move, first remove the transmission belt on the flywheel, level the flywheel nut lock piece, put the special wrench for removing the flywheel on the flywheel nut, and tap the wrench handle clockwise to the general direction. The lower flywheel can be rotated.
(2) Remove the gear cover, gear and back cover, unscrew the flywheel nut, and pull out the flywheel.
(3) Use a suitable elbow socket wrench to unscrew the connecting rod screw. After decompressing, turn the crankshaft to make the piston at the top dead center. Then remove the main bearing cap screw, push out the main bearing cap, and reach out from the back cover. The connecting rod screw, take out the connecting rod cover, pull out the crankshaft from the machine side, and then use a wire to pass through the screw on the big end of the connecting rod and then fasten it.
(4) According to the corrosion condition of the crankshaft journal, how to trim, and correspondingly match the tile.
(5) Install the crankshaft after the main shaft is installed, rotate the crankshaft to make the crank turn backward, and then pull the wire bundled on the big end of the connecting rod to move the piston rod set to the bottom dead point until the big end of the connecting rod and the connecting rod The shaft journal fits. The upper tile is inserted between the big end of the connecting rod and the journal, and the lower tile is pressed into the connecting rod cover, and then the connecting rod screw is screwed by hand, and then the main bearing cap is installed.
(6) After tightening the connecting rod screws according to the specified torque, replace all the removed parts.
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