Doosan Machinery Maintenance Instructions

This article explains how to add engine coolant to the radiator The steps below to add coolant to the radiator and sub-tank. This step is the first time you add coolant to    the water tank or add it again after the water in the water tank is drained. The picture below shows an    ordinary water tank.     Doosan Diagnostic Tool UVIM Support Doosan Excavators High Quality     1. Check to confirm that the drain plug or drain faucet of the water tank (Figure 5, (1)) is installed and    tightened. At the same time, confirm that the coolant drain plug of the cylinder block (Figure 4-6, (1))    is    tightly closed or the antifreeze pipe has been installed.           2. Turn counterclockwise 1/3 turn to remove the water tank cover (Figure 7, (2)).       2020 Doosan Daewoo Excavator Operation and Repair Manual PDF 3. Slowly add engine antifreeze into the water tank until the liqui...

This article mainly introduces doosanDH220LC-V/DH220LC-7/DH225LC-7 and other models without any movement problems.       Phenomenon: Occasionally there will be no movement of the entire vehicle in the early stages of  equipment operation, and there will be no movement of the entire vehicle approximately every hour of  operation.   Doosan Diagnostic Tool UVIM Support Doosan Excavators High Quality     1. Checking essentials     a. According to the faulty pilot solenoid valve G1 port, connect the low pressure gauge to check that  the pilot pressure is about 1 Sometimes the initial work is 39KG, sometimes 2-3KG     b. Connect a meter to the a3 interface of the pilot pump and measure the pressure, which is 39KG.     c. Disassemble the pilot solenoid valve and make sure that the valve core is in good condition and has  no sticking or wear. Exclude the hydraulic system. Poor system working conditions ...

This article explains how to replace the Doosan DA-30-5 truck water separation fuel filter   Doosan Diagnostic Tool UVIM Support Doosan Excavators High Quality 1. Close   the   shut - off   cock   (1)   in   the   fuel   pipe   and position a container   under the filter. 2. Open   the   drain   tap   (2)   in   the   fi lter   cover   and   let the fluid   run down   into the container. 3. Unscrew   the   fi lter   cover . 4. Unscrew   the   fi lter   from   the   fi lter   head . 5. Discard   the   old   fi lter   and   use   a   new   fi lter . 6. Lubricate   the   O - ring   in   the   fi lter   cover   with   engine   oil .   2023.07 Doosan DMS-5 Data Monitoring System Diagnostic Software   7. Screw   the   fi lter   cover ...