Safety valve should be set maintenance platform. To consider the layout of the safety valve after a large weight lifting may dismantle the safety valve, Xi'an hydraulic repair, if necessary set up boom. Valve inlet pipe should be long radius elbows. Design of safety valve outlet pipe backpressure shall not exceed a certain value considering the constant pressure of the safety valve. For ordinary spring safety valve, back pressure does not exceed 10% of the value of the constant pressure valve. Sliding friction shoe and the swash plate is a swash plate piston friction pairs in three of the most complex pair. Lists the plunger rod ball and slipper ball gap (see Figure 2), if the piston and slipper gap tolerance, hydraulic repair business phone, the piston chamber pressure oil will be from the ball plunger the escape of the shoe clearance between the shoe and the swash plate film thinning, hydraulic repair phone, can cause severe hydrostatic bearing failure occurs between the shoe and the swash plate metal contact friction, hydraulic repair quote, shoe ablation off, column Cypriot ball scratching the swash plate. When the plunger rod ball and slipper ball beyond the tolerance of 1.5 times, a group must replace it. Hydraulic repair company | Xi'an Chengtong hydraulic service (certified) | Xi'an Xi'an Chengtong hydraulic maintenance hydraulic maintenance Limited. Xi'an-hydraulic-repair Ltd. (www.xayeya.com) (www.xayeya.com) is Xi'an, industrial maintenance, installation of leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. Xi'an Chengtong hydraulic service leadership with the staff warmly welcome all inquiries negotiations to create Xi'an Chengtong hydraulic service better future.