{"product_id":"doosan-dx235nlc-5-excavator-service-manual-workshop-guide","title":"Doosan DX235NLC-5 Excavator Service Manual Workshop Guide","description":"Format : PDF\u003cbr\u003eSUPPLIED AS DOWNLOADABLE LINK\u003cbr\u003e\u003cbr\u003eManual Included:\u003cbr\u003eShop Manual:\u003cbr\u003e1320 Pages\u003cbr\u003eSpecifications:\u003cbr\u003eBrand:\u003cbr\u003eDoosan Excavator\u003cbr\u003eModel:\u003cbr\u003eDX235NLC-5\u003cbr\u003eSerial Number:\u003cbr\u003e1001 and Up\u003cbr\u003eType:\u003cbr\u003eExcavator\u003cbr\u003eManuals:\u003cbr\u003eShop Manual\u003cbr\u003ePublication Number:\u003cbr\u003e950106-01115E (Jan 2015)\u003cbr\u003eLanguage:\u003cbr\u003eEnglish\u003cbr\u003eFormat:\u003cbr\u003ePDF\u003cbr\u003e\u003cbr\u003eDescription\u003cbr\u003eTable of Contents:-\u003cbr\u003eSafety\u003cbr\u003e1 Track Excavator Maintenance Safety\u003cbr\u003eSpecifications\u003cbr\u003eGeneral Maintenance\u003cbr\u003e1 General Maintenance Instructions\u003cbr\u003e2 Standard Torques\u003cbr\u003eEngine\u003cbr\u003eUpper Structure\u003cbr\u003e1 Cabin\u003cbr\u003e2 Counterweight\u003cbr\u003e3 Oil Tank\u003cbr\u003e4 Fuel Tank\u003cbr\u003e5 Main Pump\u003cbr\u003e6 Drive Coupling (Main Pump)\u003cbr\u003e7 Main Control Valve\u003cbr\u003e8 Swing Device\u003cbr\u003e9 Joystick Valve (Work Lever)\u003cbr\u003e10 Dozer Joystick Valve\u003cbr\u003e11 Travel Control Valve (with Damper)\u003cbr\u003e12 Solenoid Valve\u003cbr\u003e13 EPPR Valve (One or Two Way)\u003cbr\u003e14 Accumulator\u003cbr\u003e15 Gear Pump (Rotating)\u003cbr\u003e16 One Spool Valve (Rotating)\u003cbr\u003eLower Structure and Chassis\u003cbr\u003e1 Swing Bearing\u003cbr\u003e2 Center Joint\u003cbr\u003e2 Center Joint (Dozer)\u003cbr\u003e4 Travel Device\u003cbr\u003e5 Track Assembly\u003cbr\u003e6 Dozer System\u003cbr\u003eFront\u003cbr\u003e1 Boom and Arm\u003cbr\u003e2 Bucket\u003cbr\u003e3 Cylinders\u003cbr\u003eHydraulic System\u003cbr\u003e2 Hydraulic System Testing and Adjustment\u003cbr\u003e3 Hydraulic System Troubleshooting\u003cbr\u003e9 Electrical System 1 Electrical System\u003cbr\u003eOptions\u003cbr\u003e1 One Way\u003cbr\u003e2 Two-way\u003cbr\u003e3 Rotating\u003cbr\u003e4 Quick Coupler\u003cbr\u003eSchematics\u003cbr\u003eDoosan DX235NLC-5 Manual Instruction Extract:\u003cbr\u003ePROCEDURAL TROUBLESHOOTING BASELINE RECOMMENDATIONS\u003cbr\u003eInitial Checks and Tests to Establish Operating Condition of the Excavator Troubleshooting Recommendations\u003cbr\u003eAn excavator that fails to deliver designed performance must be checked for the following:\u003cbr\u003e• First hydraulic flow.\u003cbr\u003e• Then hydraulic pressure in a specified order of priority through different points of the system.\u003cbr\u003eTo verify adequate available hydraulic flow, before any other tests are performed through the circuit: Check engine operation\u003cbr\u003e• at 1,800 rpm with no load.\u003cbr\u003e• at 1,950 rpm stall load.\u003cbr\u003eIf engine rpm drops excessively with a load or fails to surpass rated speed (1,800 rpm), performance problems may be because of inadequate hydraulic flow caused by lagging rotational speed.\u003cbr\u003eNOTE: Verify actual flow on the excavator against rated performance, with a flow meter.\u003cbr\u003eIf engine tests meet specifications and adequate torque and horsepower are available at the pump drive flex coupling, pull out the electrical tray under the operator's seat to inspect the self-diagnostic display.\u003cbr\u003eIf the EPOS trouble code display is clear, check hydraulic functions in the following sequence:\u003cbr\u003e• Pilot pressure.\u003cbr\u003e• Negacon, negative control pressure.\u003cbr\u003e• Main relief pressure (front and rear pump) Swing pressure.\u003cbr\u003e• Port relief pressure (individual control functions; boom, arm, bucket, swing, and travel)\u003cbr\u003e• Power boost circuit.\u003cbr\u003e• Standard performance tests; cylinder speed, hydraulic motor (travel and swing) speed, cylinder oil tightness \"permissible drift\" test.\u003cbr\u003eNOTE: System specification performance tests of individual activator function are determined by flow rate through the component or circuit, not the control pressure or system pressure\u003cbr\u003eHow to Use The Doosan DX235NLC-5 Excavator Guide Manual:\u003cbr\u003eThis manual provides information for servicing the DX235NLC-5 Doosan Excavator. All service procedures are broken down into detailed steps, listed in their recommended sequence. The manual uses both photographs and drawings to help locate and itemize components. The table of Contents on the preceding pages is your best tool for finding the service procedure you need. Be certain to observe all Safety information included in these pages.\u003cbr\u003eA schematic of each of the major engine systems is provided at the beginning of the section of the manual devoted to troubleshooting and repairing that particular system.\u003cbr\u003eBasic safety precautions are list in the Safety section of the Doosan DX235NLC-5 Excavator Service Manual. Additional safety precautions are list in the Safety section of the owner\/operation\/maintenance publication. Specific safety warnings for all these publications are provided in the description of operations where hazards exist. WARNING labels have also been put on the product to provide instructions and to identify specific hazards.","brand":"Uploader","offers":[{"title":"Default Title","offer_id":53593321308491,"sku":null,"price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/2519\/4315\/files\/1-50_a1a23ba2-65f6-43d7-a4c2-aa4b0d4e270e.png?v=1760374748","url":"https:\/\/manualbull.com\/products\/doosan-dx235nlc-5-excavator-service-manual-workshop-guide","provider":"ManualBull","version":"1.0","type":"link"}