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Summary of Contents for Doosan DX340LC-5
- Page 1 Shop Manual DX340LC-5/DX350LC-5 Excavator 10001 and Up Serial Number 950106-01001E April 2014...
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Page 2: Specifications
Table of Contents Safety Track Excavator Maintenance Safety Specifications Specifications General Maintenance General Maintenance Instructions Standard Torques Engine Engine Engine Coolant Heater (Option) Upper Structure Cabin Counterweight Hydraulic Oil Tank Fuel Tank Main Pump Drive Coupling (Main Pump) Main Control Valve Swing Device Fan Pump for Oil Cooler Fan Motor for Oil Cooler... -
Page 3: Hydraulic System
Front Boom and Arm Bucket Cylinders Hydraulic System Hydraulic System Hydraulic System Testing and Adjustment Hydraulic System Troubleshooting Electrical System Electrical System 10 Options One Way Two-way Rotating Quick Coupler 11 Schematic Hydraulic Schematic/Electrical Schematic Table of Contents Page II... - Page 4 Track Excavator Maintenance Safety Edition 1 DX340LC-5/DX350LC-5 Track Excavator Maintenance Safety 1-1-1...
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Page 5: Safety Instructions
Untrained operators and failure to follow instructions can cause death or serious injury. SAFETY MESSAGES Replace with Safety Messages Section on pages III and IV in the Doosan Operation & Maintenance Manual. DX340LC-5/DX350LC-5 Track Excavator Maintenance Safety 1-1-5... -
Page 6: Know Your Machine
Keep in mind that rain, snow, ice, loose gravel, soft ground, slopes etc., can change operating capabilities of your machine. Track Excavator Maintenance Safety DX340LC-5/DX350LC-5 1-1-6... - Page 7 Proper Work Tools and Attachments Only use work tools and attachments that are recommended by DOOSAN for use on DOOSAN machines. When installing and using optional attachments, read instruction manual for attachment, and general information related to attachments in this manual.
- Page 8 Additional protection for operator's cabin could be required such as an Operator Protection Guard (OPG) or window guards. Contact your DOOSAN distributor for information on available protective guards. HAOA110L Figure 2 To prevent personnel from being struck by flying objects, keep personnel out of work area.
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Page 9: Personal Protective Equipment (Ppe)
Stay clear of all rotating and moving parts. Unless instructed, never attempt adjustments while machine is moving or while engine is running. DX340LC-5/DX350LC-5 Track Excavator Maintenance Safety 1-1-9... - Page 10 FG019095 Figure 6 To prevent hot oil or coolant from spraying out, stop engine, wait for oil and coolant to cool. Using gloves, slowly loosen cap to relieve pressure. FG019096 Figure 7 Track Excavator Maintenance Safety DX340LC-5/DX350LC-5 1-1-10...
- Page 11 Engine Edition 1 Engine DX340LC-5/DX350LC-5 4-1-1...
- Page 12 Maintenance Manual and signs (decals) on machine. Follow warnings and instructions in the manuals when making repairs, adjustments or servicing. Check for correct function after adjustments repairs or service. Untrained operators and failure to follow instructions can cause death or serious injury. DX340LC-5/DX350LC-5 Engine 4-1-7...
- Page 13 OVERVIEW EX1301800 Figure 1 Engine DX340LC-5/DX350LC-5 4-1-8...
- Page 14 High-pressure Pump and Feed Pump Fuel Filter Starter Motor Mount the engine in the universal stand. Reference Description Number Bolt M10 x 30 (8 off) Nut M16 (4 off) Bolt M16 x 50 (4 off) 99 331 FG020232 Figure 4 DX340LC-5/DX350LC-5 Engine 4-1-19...
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Page 15: Engine Identification
Engine Data Plate Reference Description Number Smoke Value Engine Type Engine Serial Number FG020225 Figure 5 Figure 6 Reference Description Number Warning! High Fuel Pressure Important Engine Information Valve Clearance Engine Serial Number Engine Power Figure 7 Engine DX340LC-5/DX350LC-5 4-1-20... - Page 16 • Torx screw (M19): 110 Nm + 90° • Hexagon screw (M19): 110 Nm + 90° EX1301811 Connecting Rod Cap NOTE: The screws can only be reused 3 times. Mark the screws each time before fitting. EX1301810 Engine DX340LC-5/DX350LC-5 4-1-30...
- Page 17 The screws can only be reused 3 times. Mark the screws each time before fitting. EX1301810 Cylinder head bolt, tightened in four stages • First stage: 60 Nm • Second stage: 150 Nm • Third stage: 250 Nm • Fourth stage: 90° FG020253 DX340LC-5/DX350LC-5 Engine 4-1-31...
- Page 18 Rocker Cover • Rocker cover, upper: 18 Nm • Rocker cover, lower: 18 Nm Valve Mechanism • Adjusting screw nut on rocker arm: 35 Nm Engine DX340LC-5/DX350LC-5 4-1-32...
- Page 19 • Screw rocker shaft bearing retainer: 90 Nm + 60° Roller Tappet Shaft • Banjo screw for roller tappet shaft (engines produced earlier): 33 Nm • Slotted screw for roller tappet shaft (engines produced later): 40 Nm DX340LC-5/DX350LC-5 Engine 4-1-33...
- Page 20 Lubrication System Oil sump • Cylinder block, 8.8 screw: 26 Nm • Cylinder block, 10.9 screw: 32 Nm • Against cylinder block, 8.8 screw with spacer: 26 Nm Oil Sump, Plastic • Oil sump, spring screw: 20 Nm Engine DX340LC-5/DX350LC-5 4-1-34...
- Page 21 Oil pump, 8.8 screw: 26 Nm • Hose connection for cooling system: 85 Nm • Oil filler pipe, retaining screw: 20 Nm Oil Filter • Element type filter, cover: 25 Nm • Oil filter unit without loose filter element: Hand tighten DX340LC-5/DX350LC-5 Engine 4-1-35...
- Page 22 • Turbocharger lubrication pipe: 40 ±1.2 Nm (±3 %) • Nut for turbocharger lubrication pipe: 35 ±5 Nm Turbocharger Coolant Pipe • Water inlet, turbocharger: 40 Nm • Water inlet, variable geometry turbocharger electric motor: 10 Nm Engine DX340LC-5/DX350LC-5 4-1-36...
- Page 23 Exhaust pipe to and from silencer (V-clamp): 20 Nm EX1301840 Reductant Doser • Nut (M6): 10 Nm Charge Air Cooler • Pipe connection (V-clamp): 8 Nm EX1301840 Fuel System Injectors • Nut for cable connection: 2 Nm DX340LC-5/DX350LC-5 Engine 4-1-37...
- Page 24 Download the full PDF manual instantly. Our customer service e-mail: aservicemanualpdf@yahoo.com...
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