Home>Bearing knowledge>Smart replacement single cylinder diesel engine bearing bush

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Clever replacement of single cylinder diesel engine bearing

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Cleverly change single-cylinder diesel engine bearing bush Abstract: Diesel engine burning tile holding shaft can be used under the following method. The grinding shaft is simple and easy to operate without disassembling the piston connecting rod without adjusting the valve clearance. Time-saving and labor-saving crankshaft does not move the flywheel transmission with the flat flying nut to open the flywheel special wrench flywheel The nut is used to strike the wrench handle clockwise. Under normal conditions, the flywheel can be converted and disassembled. The gear wheel is unscrewed. The flywheel nut is pulled out. The flywheel is suitable for the elbow socket wrench. The liquid dynamic pressure bearing is usually used for the axle housing with the shaft single cylinder diesel engine burning shaft. After; can be replaced by the following method; if necessary, grinding the shaft. This method is simple and easy; do not open the cylinder head and piston connecting rod set; do not adjust the valve clearance; save time and effort.
(1) If the crankshaft does not move; first remove the transmission belt on the flywheel; flatten the flywheel nut lock piece; put the special wrench for disassembling the flywheel on the flywheel nut; tap the wrench handle clockwise with the hand hammer; usually In the situation, the flywheel can be changed.
(2) Disassemble the gear chamber cover, gears and rear cover; unscrew the flywheel nut; pull out the flywheel.
(3) Use a suitable elbow socket wrench to unscrew the connecting rod screw; after decompression, change the crankshaft to make the piston at the top dead center; then remove the main bearing cap screw; push out the main bearing cap; reach out and unscrew from the back cover Connecting rod screw; take out the connecting rod cover; pull out the crankshaft from the machine side; 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 fix it;
(5) Install the crankshaft after the spindle is installed according to the convention; change the crankshaft to make the crank turn backward; then pull the wire bundled on the big end of the connecting rod; move the piston rod set to the bottom dead point; until the connecting rod big head and even The rod journal fits. The rear facing the connecting rod between the big head and the journal penetrates the upper tile; the lower tile is pressed into the connecting rod cover; then the screw is screwed into the connecting rod; then the main bearing cap is installed.
(6) After tightening the connecting rod screws according to the regular torque; install all the removed parts.

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