(1) When injecting grease into valves, the issue of the amount of grease injected is often overlooked. After refueling the grease gun, the operator selects the valve and grease connection method before proceeding with the grease injection operation. There are two situations: on the one hand, insufficient grease injection leads to accelerated wear of the sealing surface due to a lack of lubricant; On the other hand, excessive fat injection causes waste. The sealing capacity can be calculated based on the size and type of the valve, and an appropriate amount of lubricating grease can be injected reasonably.
(2) When injecting grease into valves, pressure issues are often overlooked. During the liposuction operation, the liposuction pressure exhibits a regular peak valley variation. Low pressure, seal leakage or failure; Excessive pressure, clogging of the grease injection port, hardening of the grease inside the seal, or locking of the sealing ring with the valve ball and valve plate. Usually, when the grease pressure is too low, the injected lubricating grease mostly flows into the bottom of the valve chamber, which usually occurs in small gate valves. And if the pressure of the grease injection is too high, on the one hand, check the grease nozzle, and if it is blocked by the grease hole, determine the situation and replace it; On the other hand, lipid hardening requires the use of cleaning solution, repeated softening of failed sealing grease, and injection of new lubricating grease for replacement.