Check For Leaks In Hydraulic System - Doosan DX140R Operation & Maintenance Manual

IMPORTANT
Do not fill above "H" mark on sight gauge. Overfilling
can result in damage to equipment and oil leaking
from hydraulic tank because of expansion.
6. If oil level is above the "H" mark drain oil.
A. Stop engine and wait for the hydraulic oil to cool
down.
B. Drain the excess oil from drain plug (Figure 20) at the
bottom of the tank into a suitable container, using a
hose connected to the valve.
NOTE: Dispose of drained fluids in compliance with all
applicable environmental laws and regulations.

Check for Leaks in Hydraulic System

1. Perform a daily walk-around inspection to make sure that
hoses, piping, fittings, cylinders and hydraulic motors are
not showing any signs of leakage. If any is noted,
determine the source of the leak and repair.
Inspection, Maintenance and Adjustment
4-18
Figure 20
FG014419
DX140R/DX140LCR