{"product_id":"hitachi-zx470-5a-zx490lch-5a-and-zx530lch-5a-excavator-service-repair-manual-workshop-guide","title":"Hitachi ZX470-5A, ZX490LCH-5A and ZX530LCH-5A Excavator Service Repair Manual Workshop Guide","description":"Format : PDF\u003cbr\u003eSUPPLIED AS DOWNLOADABLE LINK\u003cbr\u003e\u003cbr\u003eThe manual is applicable for the Hitachi\u003cbr\u003eExcavator\u003cbr\u003eModel:\u003cbr\u003eZX470-5A\u003cbr\u003eZX470LC-5A\u003cbr\u003eZX490H-5A\u003cbr\u003eZX490LCH-5A\u003cbr\u003eZX530LCH-5A\u003cbr\u003eFormat: PDF\u003cbr\u003eLanguage: English\u003cbr\u003eService Repair Manual consists of the following:\u003cbr\u003eFor Model ZAXIS ZX470-5A, ZX490LCH-5A and ZX530LCH-5A as mentioned above:\u003cbr\u003eSee description for full details\u003cbr\u003e\u003cbr\u003eDescription\u003cbr\u003eHitachi ZX470-5A, Zx490LCH-5A and ZX530LCH-5A Excavator Manual\u003cbr\u003eThe manual is applicable for the Hitachi\u003cbr\u003eExcavator\u003cbr\u003eModel:\u003cbr\u003eZX470-5A\u003cbr\u003eZX470LC-5A\u003cbr\u003eZX490H-5A\u003cbr\u003eZX490LCH-5A\u003cbr\u003eZX530LCH-5A\u003cbr\u003eFormat: PDF\u003cbr\u003eLanguage: English\u003cbr\u003eService Manual consists of the following:\u003cbr\u003eFor Model ZAXIS ZX470-5A, ZX490LCH-5A and ZX530LCH-5A as mentioned above:\u003cbr\u003eService Manual (Troubleshooting) Vol. No. TOJAE-EN : 458 Pages\u003cbr\u003eService Manual (Operation) Vol. No. TTJAE-EN : 388 Pages\u003cbr\u003eWorkshop Manual Vol. No. WJAE-EN : 605 Pages\u003cbr\u003eCircuit diagram: 21 Pages\u003cbr\u003eSI Units (International System of Units) are used in those manual.\u003cbr\u003eManual guide composition\u003cbr\u003eHitachi ZX470-5A, ZX490LCH-5A and ZX530LCH-5A service manual consists of the Operating, Troubleshooting and the Workshop Manual.\u003cbr\u003eInformation included in the Service Manual: Technical information needed for redelivery and delivery, operation and activation of all devices and systems, operational performance tests, and troubleshooting procedures.\u003cbr\u003eInformation included in the Workshop Manual: Technical information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, and removal \/ installation and assemble \/ disassemble procedures.\u003cbr\u003eTo avoid injury and damage refer to the service manual and be sure to use appropriate lifting techniques and equipment when lifting heavy parts.\u003cbr\u003eA ZAXIS hallmark  industry-leading hydraulic technologies, and performance no other can beat. New ZAXIS provides reliable solutions: impressive fuel economy, swift front movements, and easy operation. You'll also find Hitachi technological prowess and expertise, such as the optimized hydraulic system and engine.New ZAXIS features the key benefits of high quality, low fuel consumption, and high durability, all of which serve to ensure low running costs.New ZAXIS, which is empowered by comprehensive evolution, will realize customers visions and dreams, and pioneer your colorful future\u003cbr\u003ePump Control Solenoid Valve Extract:\u003cbr\u003eThe pump control solenoid valve is provided on the regulator of the main pump.\u003cbr\u003eAccording to the signal from MC, the pump control solenoid valve controls the flow rate control pressure Pi that acts on the regulator, and increase or decrease the pump delivery flow rate.\u003cbr\u003eOperation\u003cbr\u003e– In Neutral\u003cbr\u003e1. Port P (5) and output port (4) are closed by spool (3).\u003cbr\u003e2. Output port (4) and port T (8) are connected through the open part of spool (3).\u003cbr\u003e– In Operation\u003cbr\u003e1. When solenoid (7) receives a signal from MC, it is activated and pushes piston (6).\u003cbr\u003e2. Piston (6) shifts spool (3), port P (5) and output port (4) are connected through the open part of spool (3).\u003cbr\u003e3. Therefore, pressure at output port (4) begins to increase.\u003cbr\u003e4. The left and right side diameter of the open part of spool (3), B is larger than A.\u003cbr\u003e5. Therefore, when pressure at output port (4) begins to increase, spool (3) is move to the left due to the force as Fsol(9)+P1A+S1\u0026gt;P1B+S2.\u003cbr\u003e6. When pressure at output port (4) increases and the following formula exists, Fsol(9)+P1A+S1=P1B+S2, spool (3) is stopped.\u003cbr\u003eP1: Pressure at Output Port (4)\u003cbr\u003eA,B: Pressure Receiving Area on Spool (3)\u003cbr\u003eS1: Spring 1 (1) Force (Force pushing spool (3) to the left)\u003cbr\u003eS2: Spring 2 (2) Force (Force returning spool (3) to the right)\u003cbr\u003eFsol: Solenoid (7) Force","brand":"Uploader","offers":[{"title":"Default Title","offer_id":53593335726411,"sku":null,"price":61.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/2519\/4315\/files\/1-46_ccc8c8c5-8eb0-429a-83a4-ae6ec29b982b.png?v=1760374999","url":"https:\/\/manualbull.com\/products\/hitachi-zx470-5a-zx490lch-5a-and-zx530lch-5a-excavator-service-repair-manual-workshop-guide","provider":"ManualBull","version":"1.0","type":"link"}