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concrete batching plant metering system maintenance 1, each class must examine and adjust the metering bucket of the soft interface, keep the length of loose, to ensure measurement accuracy. 2, after the winter shutdown, should the water supply system, additive supply water in all drained. 3, admixtures pump such seasonally disabled must be backwashed to prevent sediment build-up of piping and pumps additives stick or no solvent. Concrete mixing plant equipment maintenance blender mixing system maintenance, see "js series twin-shaft mixer maintenance manual", but the following points should pay special attention to: 1, each class check the shaft seal chamber, distributor, import and export, and seal the pipe is smooth, filled with grease lubrication points and deceleration box whether there is sufficient lubricant (grease). 2.Class observation electric lubrication pump oil storage barrel oil is used up, close to exhausted to promptly fill, do not allow oil to run. 3, each class work shift must be a comprehensive clean inside and outside of the mixing tube, the accumulation of material of the discharge gate, etc., and rinse well with water, rinse the net bonding material to regularly chisel out. Per week must be mixing blade adjustment fastening time to prevent the leaves fall off causing the accident. Concrete mixing station equipment - powder supply system maintenance 1, A week vibrator vibration in the cement silo top dust removal device must be many times, the dust bag (filter rod) Dust from cleared away to ensure the smooth running gas. 2, the feed inlet duct wall, the screw conveyor discharge port per week must be fully cleaned once to prevent the failure of hard agglomeration and debris lay a trap and inadequate material. 3, a long time do not need to vent the cement screw conveyor. 4, the head of screw conveyor outer ball bearing central support bearing every four hours must inject grease a tail gearbox first oil change time of 500 hours work, and every year thereafter to replace the grease once.
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