Doosan Excavator Heavy Duty Machine Repair

This instruction show you guide on how to perform flow meter and kit installation and test for Doosan DX300LC excavator. Procedures: 1. Clean off the exterior of the swivel joint after it has been removed. 2. Scribe or otherwise mark a line across the cover and the body of the center joint, to allow reassembly in the same configuration. Doosan DMS-5 Diagnostic Software 3. Unbolt the four 12 mm fasteners holding the cover. Use a vise or V-block to hold the assembly in place.

This instruction show you guide on how to perform flow meter and kit installation and test for Doosan DX300LC excavator. Doosan DMS-5 Diagnostic Software Procedures: Checking regulator and pump output, to assess the output balance between the front and rear pumps and to verify operating adjustment of each regulator, will require installation of a flow meter. The After Sales Service department of the nearest local DOOSAN dealer can assist you with these tests or, if you prefer carrying out your own testing, they should be able to help in putting together a hose and fitting kit (or the required dimensions and specifications for hoses and fittings) to allow you to install a flow meter downstream from the main pump assembly.

This instruction show you guide on how to reassembly and disassembly Upper Roller for Doosan DX300LC excavator. Procedures: Upper Roller Disassembly Doosan DMS-5 Free Download 1. Remove the plug (9, Figure 36) from the cover and drain oil. 2. Remove the bolts (13, Figure 37) and cover (10). Detach bolts (12) and washer (11). 3. Separate the roller (1, Figure 38) from the axle (2). 4. Separate the floating seal (6, Figure 39) from the roller. 5. Separate the O-ring (8) and thrust ring (3) from the axle. 6. Separate the bushing (4 and 5, Figure 40) from the roller with a press and special tool (ST-1919). Upper Roller Reassembly 1. Degrease, clean and dry all parts before reassembly. Insert bushing (4 and 5, Figure 41) into the roller (1). Doosan EPC Download 2. Insert floating seal (6, Figure 42) into the roller (1) and bushing. NOTE: Apply clean engine oil to the joint side of the floating seal. Apply grease to the floating seal O-ring. 3. Install the axle (2), O-ring (8) and thrust ri

This instruction show you guide on how to reassembly and disassembly lower roller for Doosan DX300LC excavator. Doosan DMS-5 Download Procedures: 1. Degrease, clean and dry all parts before reassembly. Insert bushing into roller. https://www.car-auto-repair.com 2. Apply grease to the O-rings (7, Figure 29) and insert into axle. 3. Align collar (2, Figure 30) and axle (3) pin holes and pin (5) the collar. 4. Insert floating seals (6, Figure 31) into the roller (1) and collar (2). NOTE: Apply clean engine oil to the joint side of the floating seal. Apply grease to the floating seal O-ring. 5. Slide the axle inside the roller. 6. Install the collar (2, Figure 32), O-ring (7), and pin (5) on the remaining side. 7. Fill with clean engine oil with approximately 480.0 cc (16.2 oz). 8. Install plug (8, Figure 32) on the collar. Doosan EPC Lower Roller Installation 1. Install four bolts to hold lower roller assembly to track frame. NOTE: To gain access to some rollers a link guard may have to b

This illustration show you guide on how to disassemble front idler roller for Doosan DX300L excavator. Procedures: 1. Remove plug (9, Figure 15) from idler assembly (1), and drain into a suitable container. Doosan DMS-5 Diagnostic software 2. Separate the pin (6, Figure 16) from the bearing (3). 3. Use a press to remove the bearing from the axle (4). Separate the O-ring (8, Figure 17) from the axle.

This illustration show you guide on how to assemble track for Doosan DX300L excavator. Procedures: 1. Position machine on a smooth level surface with adequate room for forward and reverse travel. 2. Relieve track tension. Refer to "Track Tension" in this section for procedure. 3. Move machine until master link (1, Figure 8) is positioned nat approximately 10 o'clock from top position on front idle roller. Doosan DMS-5 4. Remove four nuts and bolts (2, Figure 8) holding shoe to link. Remove enough shoes to make access to lock pin easier.