How to properly install agricultural machinery parts

Source: Bearing network time: 2014-08-27

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In the repair of agricultural machinery; some parts are not bound by the layout; the device will be reversed if it is slightly careless; it will leave a potential risk to the agricultural machinery. Therefore, the device must lead to attention.
Cylinder head gasket. It has oil hole; it is necessary to align it with the corresponding oil passage hole on the body and cylinder head; avoid the conflict of the gas distribution structure on the cylinder head due to oil breakage. No oil passage hole and positive and negative shapes The same; with the material of the cylinder head to determine: about the aluminum alloy cylinder head; the cylinder head curl side should face the cylinder, about the cast iron cylinder head; the cylinder head curl side should face the cylinder head.
Pistons and piston rings. Pistons with an upward arrow symbol on the top; should be arranged in the direction of the symbolic rule, unsigned; the small nicks next to the piston vortex or the pit should be directed towards the injector side; The gas is evenly mixed. When the piston ring is installed; the top has the symbols "up", "up", etc.; the top should be upwards, the top unsigned tortuous ring; the inner circular groove or chamfer should face downward, chrome-plated ring (outer shell Bright) should be installed in the first piston ring groove; each ring opening should be staggered 120 ~ 180 degrees; to ensure its sealing effect.
Connecting rod and connecting rod cover. The connecting rod of the horizontal diesel engine is split at 45 degrees; the cross section should be facing downward; to improve the stress condition of the connecting rod bolt. The connecting rod cover and the connecting rod are paired and processed; The paired marks should be on the same side; to ensure that the roundness and cylindricity of the connecting rod bearings meet the requirements of the rules.
Main bearing cap, bearing bush or bushing. The main bearing cap and the body bearing seat are matched with boring; the seat should be placed according to the pairing mark; the direction of the device should not be exchanged or changed at will; avoiding the concentricity and scale accuracy of the main bearing seat hole . Bearing bush or bushing with oil hole; should be aligned with the corresponding oil passage hole on the bearing seat and bushing hole; to ensure the oil passage is clear.
Cylinder head bolts. If one end of the bolt is a coarse thread; the other end is a fine thread; the coarse threaded end should be screwed into the body. If the two ends of the bolt are fine teeth, the shorter end should be screwed into the body; To ensure that the cylinder head can be pressed.
Oil pump and fuel injection pump. The oil is selected from the planetary rotor type; the outer rotor should be chamfered toward the pump body; avoid the oil circulating in the pump and reduce the pump oil pressure. The nozzle plug sleeve should be aligned with the pump. The positioning hole on the body; the mark on the plunger (or the oil return groove) should be facing upwards; avoid forming a non-fueling or diesel "flying".
Drive shaft and drive chain. The drive forks at both ends of the drive shaft should be in the same plane; avoid the formation of transmission parts to change the oscillation and damage. The drive chain should be spring-loaded; the direction of the open end should be opposite to the direction of the chain movement; avoid moving In the middle of the bump and drop the imported pump Castel red wine.
Drive wheel. The drive wheel has an upward arrow symbol; it should be pointed to the direction of rotation of the tire when it is traveling, unsigned; the drive wheel is viewed from the back of the locomotive; the top of the "eight" or "human" shape should be facing upwards.

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