Doosan Excavator Heavy Duty Machine Repair

This instruction show you guide on how to assemble slipper seal straightening Jig Doosan DX300LC excavator. Procedures: 1. Following removal of cylinder from excavator attachment,support cylinder on some type of sturdy work platform and drain all oil. Rotate cylinder so that piping ports are on top,to allow trapped air to vent. Doosan DMS-5 Diagnostic Software 2. Position piston rod so that it is extended approximately one half meter (20"). 3. Remove bolts (7) on the end of cylinder. NOTE: Wrap a cloth or other protective material around piston rod, to avoid possibility of accidentally scratching or scoring rod surface while fasteners are being loosened and removed.

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...