Filling Up Hydraulic Oil Tank - Komatsu PC4000 Manual

Assembly Procedure PC4000
3.16 Filling up hydraulic oil tank (Z21585)
• Connect all lines of the refilling arm*
(hydraulic oil; fuel; grease).
*if so equipped
• Make sure main shut-off valve is in open position and all
connections are securely tightened.
• Select hydraulic oil viscosity grade according to ambient
temperatures. If the new hydraulic oil has a different viscosity
grade compared with the drained oil it is necessary to enter the
new viscosity grade into the appropriate "Service SETTINGS"
group of the VHMS Menu Control.
1. On machines equipped with Central Refilling System fill main hydraulic oil
reservoir according to section "Central Refilling System" of the
Maintenance Manual.
2. On machines without central refilling system fill main oil reservoir through
opening (4), illustration Z 21585. Depending on type of attachment and the
present oil temperature, select the applying oil level range on plate (3). Be
sure to use the correct marking on oil level plate (3).
Legend for illustration Z 21585
(1) Main hydraulic oil reservoir
(2) Hydraulic oil level sight gauge
(3) Oil level plate
(4) Oil filler plug.
PC4000Asrev05
Edition 08/2005
63