{"id":2175,"date":"2025-04-27T23:39:09","date_gmt":"2025-04-27T15:39:09","guid":{"rendered":"https:\/\/baldor-air.com\/?p=2175"},"modified":"2025-04-27T23:39:10","modified_gmt":"2025-04-27T15:39:10","slug":"essential-preparations-before-starting-a-screw-air-compressor","status":"publish","type":"post","link":"https:\/\/baldor-air.com\/it\/essential-preparations-before-starting-a-screw-air-compressor\/","title":{"rendered":"Essential Preparations Before Starting a Screw Air Compressor"},"content":{"rendered":"<p>Before starting a <a href=\"https:\/\/baldor-air.com\/it\/compressore-daria-a-vite-oil-free\/\">compressore d'aria a vite<\/a>, several conditions need to be met to ensure safe and efficient operation. This article outlines the key requirements for starting a screw air compressor, including checks for water, air, oil, and electricity.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/baldor-air.com\/wp-content\/uploads\/2025\/04\/15D94GaOX0-11JN.jpg\" alt=\"15d94gaox0 11jn\" class=\"wp-image-2176\" srcset=\"https:\/\/baldor-air.com\/wp-content\/uploads\/2025\/04\/15D94GaOX0-11JN.jpg 800w, https:\/\/baldor-air.com\/wp-content\/uploads\/2025\/04\/15D94GaOX0-11JN-300x169.jpg 300w, https:\/\/baldor-air.com\/wp-content\/uploads\/2025\/04\/15D94GaOX0-11JN-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<h3 class=\"wp-block-heading\"><strong>1. Basic Preparations: Water, Air, Oil, and Electricity<\/strong><\/h3>\n<\/div>\n<\/div>\n\n\n\n<p>The following checks should be performed before starting the screw air compressor:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Water:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Water Valve Check<\/strong>: Ensure that the inlet and return water valves are open.<\/li>\n\n\n\n<li><strong>Water Pressure Check<\/strong>: Verify that the water pressure is within the required range (industrial water pressure of 3.0\u20136.0 kg\/cm\u00b2).<\/li>\n\n\n\n<li><strong>Water Flow<\/strong>: The screw air compressor requires a water flow of 60-80 tons per hour. If the water pressure and flow do not meet these requirements, <strong>FS-ELLIOTT centrifugal <a href=\"https:\/\/baldor-air.com\/it\/compressore-daria-a-vite-oil-free\/\">compressori a vite<\/a><\/strong> should not be started.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Air:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Instrument Air Source<\/strong>: The sealing air must be clean, dry, and oil-free. Open the ball valve on the instrument air source pipeline and check the pressure, ensuring it is around 2.758 kg (40 psi). The pressure on the pressure relief valve mounted on the compressor should be around 0.031 kg (4.5 psi). If the instrument air pressure is below 0.031 kg (4.5 psi), the compressor should not be started.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Oil:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Lubrication Oil Level<\/strong>: Before starting the compressor, ensure the oil level is within the acceptable range:\n<ul class=\"wp-block-list\">\n<li><strong>Before Auxiliary Oil Pump Activation<\/strong>: The oil level should be at 2\/3 of the sight glass.<\/li>\n\n\n\n<li><strong>After Auxiliary Oil Pump Starts<\/strong>: The oil level should be at 1\/2 of the sight glass.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Electricity:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Power Supply<\/strong>: Ensure that both high-voltage (10kV) and low-voltage (380V) electrical supplies are connected and functioning.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Inspection After Long Shutdown:<\/strong><\/h4>\n\n\n\n<p>If the compressor has been out of service for an extended period, additional checks are necessary:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Intake Valve<\/strong>: Confirm that the intake valve is operating smoothly.<\/li>\n\n\n\n<li><strong>Unload Valve<\/strong>: Check that the unload valve is functioning correctly.<\/li>\n<\/ul>\n\n\n\n<p><strong>Steps to Check the Intake and Unload Valves:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Navigate to the <strong>Main Menu<\/strong> on the control panel and select the <strong>Mode<\/strong> button.<\/li>\n\n\n\n<li>In the control mode, choose <strong>Inlet Valve<\/strong> and select <strong>Manual<\/strong>. Input a set value for the valve opening and check if the actual opening matches the set value.<\/li>\n\n\n\n<li>Similarly, check the <strong>Unload Valve<\/strong> by selecting it in manual mode and comparing the actual opening with the set value.<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<h3 class=\"wp-block-heading\"><strong>2. Control and Startup Mode Selection<\/strong><\/h3>\n<\/div>\n<\/div>\n\n\n\n<p>Once the preparations are complete, follow these steps for the startup procedure:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Startup Mode<\/strong>: In the dropdown menu, select <strong>Manual Start\/Stop<\/strong>.<\/li>\n\n\n\n<li><strong>Control Mode<\/strong>: In the dropdown menu, select <strong>Base Mode<\/strong>.<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<h3 class=\"wp-block-heading\"><strong>3. Testing the Auxiliary Oil Pump<\/strong><\/h3>\n<\/div>\n<\/div>\n\n\n\n<p>Before starting the compressor, it\u2019s essential to test the auxiliary oil pump, especially if the compressor has been idle for a long time:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Press the <strong>Main Menu<\/strong> button and select the <strong>Test<\/strong> option.<\/li>\n\n\n\n<li>In the test screen, select <strong>Test Screen 3<\/strong> to access the auxiliary oil pump test menu.<\/li>\n\n\n\n<li>Scegliere <strong>Test<\/strong> to activate the auxiliary oil pump. Afterward, press <strong>Status<\/strong> to check the oil temperature and pressure.<\/li>\n\n\n\n<li>To stop the auxiliary oil pump, select <strong>Normal<\/strong> in the dropdown menu under <strong>Aux Oil Pump Test<\/strong>.<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<h3 class=\"wp-block-heading\"><strong>4. Confirming the Start-up Procedure<\/strong><\/h3>\n<\/div>\n<\/div>\n\n\n\n<p>Once the auxiliary oil pump test is complete, return to the startup screen:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Pull the emergency stop button to enable startup. The display will show <strong>STOPPED<\/strong> until the button is released.<\/li>\n\n\n\n<li>Press the <strong>Start<\/strong> button. A confirmation dialog box will appear. Choose <strong>Confirm Start<\/strong> to initiate the compressor.<\/li>\n\n\n\n<li>Once confirmed, the auxiliary oil pump will start. After 15 seconds, the low oil pressure alarm and automatic shutdown feature will activate. If the oil temperature exceeds 23\u00b0C, the motor will be allowed to start. If the oil temperature remains below 23\u00b0C for more than 15 minutes, the startup process will be canceled.<\/li>\n<\/ol>\n\n\n\n<p><strong>Warning<\/strong>: Do not start the <strong>FS-ELLIOTT <a href=\"https:\/\/baldor-air.com\/it\/compressore-daria-a-vite-oil-free\/\">compressore a vite<\/a><\/strong> directly with high pressure.<\/p>\n\n\n\n<p>If the startup is successful, the following messages will appear in sequence on the screen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Startup logic begins.<\/li>\n\n\n\n<li>Motor starts.<\/li>\n\n\n\n<li>Motor accelerates.<\/li>\n\n\n\n<li>Compressor running.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<h3 class=\"wp-block-heading\"><strong>5. Shutdown Procedure<\/strong><\/h3>\n<\/div>\n<\/div>\n\n\n\n<p>To shut down the <a href=\"https:\/\/baldor-air.com\/it\/compressore-daria-a-vite-oil-free\/\">compressore d'aria a vite<\/a>, follow these steps:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Close the outlet valve to isolate the compressor from the air system.<\/li>\n\n\n\n<li>Press the <strong>Stop<\/strong> button on the screen, which will display a confirmation dialog box. Select <strong>Confirm Stop<\/strong> to initiate shutdown.<\/li>\n\n\n\n<li>The auxiliary oil pump will continue to run for 15 minutes after shutdown to maintain oil pressure. During this time, do not close the instrument air source or water inlet valves.<\/li>\n\n\n\n<li>After the auxiliary oil pump stops, press the emergency stop button to completely shut down the system.<\/li>\n<\/ol>\n\n\n\n<p><strong>Note importanti:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>No more than one restart per hour<\/strong> is allowed.<\/li>\n\n\n\n<li><strong>Do not use the emergency stop button for regular shutdown<\/strong>, except in cases of immediate danger to personnel.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<h3 class=\"wp-block-heading\"><strong>6. Key Parameters<\/strong><\/h3>\n<\/div>\n<\/div>\n\n\n\n<p>The following are critical parameters for the operation of the <a href=\"https:\/\/baldor-air.com\/it\/compressore-daria-a-vite-oil-free\/\">compressore d'aria a vite<\/a>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Discharge Pressure Setting<\/strong>: 8.00 kg\/cm\u00b2<\/li>\n\n\n\n<li><strong>Motor Current Range<\/strong>: Minimum 60A, Maximum 75A<\/li>\n\n\n\n<li><strong>Auxiliary Oil Pump Shutdown Pressure<\/strong>: 2.20 kg\/cm\u00b2<\/li>\n\n\n\n<li><strong>Allowable Startup Oil Temperature<\/strong>: 23.3\u00b0C<\/li>\n\n\n\n<li><strong>Surge Alarm DP\/DT<\/strong>: DP=0.35 kg\/cm\u00b2, DT=0.3 seconds (Alarm triggered if pressure fluctuation exceeds 0.35 kg\/cm\u00b2 within 0.3 seconds)<\/li>\n\n\n\n<li><strong>Minimum Interval Between Motor Starts<\/strong>: 60 minutes<\/li>\n\n\n\n<li><strong>Maximum Current Range<\/strong>: 400A<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"781\" height=\"513\" src=\"https:\/\/baldor-air.com\/wp-content\/uploads\/2025\/04\/16393R626-4.png\" alt=\"16393r626 4\" class=\"wp-image-2027\" srcset=\"https:\/\/baldor-air.com\/wp-content\/uploads\/2025\/04\/16393R626-4.png 781w, https:\/\/baldor-air.com\/wp-content\/uploads\/2025\/04\/16393R626-4-300x197.png 300w, https:\/\/baldor-air.com\/wp-content\/uploads\/2025\/04\/16393R626-4-768x504.png 768w\" sizes=\"(max-width: 781px) 100vw, 781px\" \/><figcaption class=\"wp-element-caption\">16393r626 4<\/figcaption><\/figure><\/div>\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<h3 class=\"wp-block-heading\"><strong>Conclusione<\/strong><\/h3>\n<\/div>\n<\/div>\n\n\n\n<p>Proper preparation and adherence to startup procedures are essential for ensuring the smooth operation of<a href=\"https:\/\/baldor-air.com\/it\/compressore-daria-a-vite-oil-free\/\"> compressori d'aria a vite<\/a>. By following these guidelines, operators can prevent potential issues and optimize compressor performance. For more information on maintaining and troubleshooting your <a href=\"https:\/\/baldor-air.com\/it\/product\/\">compressore d'aria<\/a>, visitare <a class=\"\" href=\"https:\/\/baldor-air.com\/it\/\">Baldor Air<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Before starting a screw air compressor, several conditions need to be met to ensure safe and efficient operation. This article outlines the key requirements for starting a screw air compressor, including checks for water, air, oil, and electricity. 1. Basic Preparations: Water, Air, Oil, and Electricity The following checks should be performed before starting the [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2027,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[32],"tags":[36,34,96],"class_list":{"0":"post-2175","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-blog","8":"tag-air-compressor-cement-plants","9":"tag-baldor","10":"tag-screw-air-compressor"},"_links":{"self":[{"href":"https:\/\/baldor-air.com\/it\/wp-json\/wp\/v2\/posts\/2175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/baldor-air.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/baldor-air.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/baldor-air.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/baldor-air.com\/it\/wp-json\/wp\/v2\/comments?post=2175"}],"version-history":[{"count":2,"href":"https:\/\/baldor-air.com\/it\/wp-json\/wp\/v2\/posts\/2175\/revisions"}],"predecessor-version":[{"id":2232,"href":"https:\/\/baldor-air.com\/it\/wp-json\/wp\/v2\/posts\/2175\/revisions\/2232"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/baldor-air.com\/it\/wp-json\/wp\/v2\/media\/2027"}],"wp:attachment":[{"href":"https:\/\/baldor-air.com\/it\/wp-json\/wp\/v2\/media?parent=2175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/baldor-air.com\/it\/wp-json\/wp\/v2\/categories?post=2175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/baldor-air.com\/it\/wp-json\/wp\/v2\/tags?post=2175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}