microsoft — Installation and Maintenance Manual HG170 — Service Guide (EN)

Check Hydraulic Oil Temperature Special Tools Serial No. Description Quantity A Thermosensor 1 20-135 1. Remove the cap of hydraulic oil tank and remove filter. Please slowly loose when remove the cap to release the pressure in the hydraulic oil tank. 2. Insert the thermosensor into oil hole and measure the oil temperature with main body of thermosensor A. Check Hydraulic Oil Pressure Serial Description Quantity No. A Pressure Meter 1 ▲ The cap of hydraulic pressure oil tank can be loosed only after the engine is stopped and release the interior pressure. 1. Remove the screw plug (1) and install oil pressure meter B (about 40 MPa).

★ Remove the screw plug after operate the operation control rod to avoid the oil from spraying. 2. Start the engine and operate the operation rod of the measured circuit to measure the overflow pressure when hydraulic oil temperature is within range of 35℃~ 45℃.