Doosan Machinery Maintenance Instructions

This article describes how to install the DoosanDX340LC crawler excavator oil tank Doosan Diagnostic Tool UVIM Support Doosan Excavators High Quality 1. Install two 12 mm eyebolts in threaded holes (38 and 39, Figure 13). Using a      suitable lifting device, sling eyebolts. 2. Set fuel tank (1, Figure 13) into position. Install six bolts (8) and spacers (13) finger tight, to secure tank to frame. NOTE: The clear level gauge on the side of the tank is easily damaged. Be careful of obstacles and wind gusts. 3. Install shims (9, Figure 13) as needed to prevent tank (1) from rocking or stress from mounting bolts (8). 4. Tighten mounting bolts (8, Figure 13) after shims are installed. NOTE: Bolt torque is 27 kg•m (200 ft lb). 5. Connect wires as tagged to fuel sender (2, Figure 14) on side of fuel tank (1). 6. Install four bolts (33, Figure 15 ) and battery cover (34) on frame.Install two bolts (31) and brac...

This article introduces how to ignite the fuel system to assist in starting when the DoosanDX340LC Crawler Excavator engine does not start. 2023.07 Doosan DMS-5 Data Monitoring System Diagnostic Software If engine does not start, the fuel system may need priming. Prime the fuel system using the following procedure: 1. Stop Engine. 2. Open left side door and then there is fuel filter. Doosan Diagnostic Tool UVIM Support Doosan Excavators High Quality 3. Loosen plug (1, Figure 21 ) on top of fuel filter head. 4. Pump hand operated primer pump (2, Figure 21 ) by the fuel injection pump. Pump primer until fuel is present at plug hole in fuel filter head. 5. Tighten plug in fuel filter head. 6. Continue to pump primer pump until a strong resistance is felt. 7. Start engine and look for signs of leaks. Repeat procedure if necessary.

This article mainly introduces the disassembly of the oil tank of DoosanDX340LC crawler excavator Doosan Diagnostic Tool UVIM Support Doosan Excavators High Quality 1. Look at fuel level display (Figure 2) on instrument panel in operator's cabin to see what it displays. The display is divided into ten separated segments, each representing 10 percent of total fuel supply. Also, look at level gauge on side of tank to estimate volume of fuel left in tank. NOTE: If possible, work excavator until available fuel supply in tank has been run down as far as possible. 2. Park on firm and level ground and swing turntable to approximately a 90° with respect to tracks. See Figure 3. 3. Lower front attachment (bucket) to ground. 4. Shut down engine. 5. Set safety lever on "RELEASED" position. 6. Turn starter switch to "I" (ON) position. WARNING! If engine must be run while performing maintenance, use extreme care. Always have one person in the cabin at all times. Never lea...

this article mainly introduces the  installation of the doosanDX340LC crawler excavator cabin 2023.07 Doosan DMS-5 Data Monitoring System Diagnostic Software 1. Using a suitable lifting device, attach slings to four lift points on top of cabin (Figure 7). NOTE: Cabin weighs approximately 290 kg (639 lb). 2. Lower cabin into position on cabin floor. 3. Install four mounting nuts on four corners of cabin floor (2, Figure 9). NOTE: Mounting nut torque 20.2 kg•m (146 ft lb) 4. Install four hex bolts (3, Figure 9) in door side of cabin floor. 5. Install two hex bolts (1, Figure 9) in right side of cabin floor and one bolt (4) in front of cabin floor. Doosan Diagnostic Tool UVIM Support Doosan Excavators High Quality Quantity Description 4 16 mm hex nuts at each corner of the cabin. 4 10 mm x 1.5 hex bolts at the door side of the cabin. 3 10 mm x 1.5 mm hex head bolts, 2 on the right side of the cabin and 1 under the front window. 6. Once cabin is mounted to floor, unhook lifting device...

this article mainly introduces the dismantling of the doosanDX340LC crawler excavator cabin Doosan Diagnostic Tool UVIM Support Doosan Excavators High Quality DoosanDX340LC CAUTION! Avoid disassembling cabin if there are strong wind gusts, which could catch large surface area of cabin shell and push it sideways during lift. 1. Park on firm and level ground. 2. Lower front attachment (bucket) to ground. 3. Shut down engine. 4. Set safety lever on "RELEASED" position. 5. Turn starter switch to "I" (ON) position. WARNING! If engine must be run while performing maintenance, use extreme care. Always have one person in the cabin at all times. Never leave the cabin with the engine running. 6. Fully stroke work levers (joysticks) in all directions to relieve pressure from accumulators. 7. Set safety lever on "LOCK" position. 8. Turn key to "O" (OFF) position and remove from starter switch. 9. Hang maintenance warning tag on controls. 10. Disconnect t...

This article explains how to disassemble and clean the SKID STEER LOADER400 Series Fuel Filter Doosan Diagnostic Tool UVIM Support Doosan Excavators High Quality NOTE:Periodically the mesh strainer must be cleaned and the paper element must be replaced. 1. Loosen the bolts and separate the mesh strainer. 2. Pull out the mesh strainer. 2023.07 Doosan DMS-5 Data Monitoring System Diagnostic Software 3. Soak the mesh strainer in diesel oil and wipe the outside with a non-metallic brush. 4. Soak the mesh strainer again in new dieseloil and take it out. 5. Blowing the compressed air inside the mesh strainer. 6. Repeat items 3 through 5, 4-5 times. 7. Assemble in the reverse order of disas sembly. Doosan Diagnostic Tool DDT G2 SCAN( ECU ,DCU)Software 2016

   How to Remove/ Replace DOOSAN  440 Plus，460 Series，470 Plus SKID STEER LOADER Engine Oil Filter 1， Draining Engine Oil Doosan Diagnostic Tool UVIM Support Doosan Excavators High Quality Remove the four bolts from the access plate locat- ed on the left bottom corner of the  chassis. Remove the drain plug by either reaching through the opening between the  radiator and the chassis or through the access plate. Drain oil into an approved waste  oil receptacle. Inspect drain plug gasket and if serviceable, replace drain plug. If gasket is deformed or torn, replace gasket and re-install drain plug. Discard oil in  accordance with local environmental rules and regulations. 2023.07 Doosan DMS-5 Data Monitoring System Diagnostic Software 2 Remove/ Replace Engine Oil Filter Raise and secure operators cab. Filter is located on left side of engine block. Using a strap type or other style filter wrench, remove th...