Komatsu WA100M-7, Operation And Maintenance Manual

Page: 271 / 304

5.8 Maintenance procedure
Maintenance Maintenance every 2000 service hours
WA80M-7, WA100M-7 – VENAM03001
5-69
Hydraulic system – change hydraulic oil
WARNING
 Repeated skin contact with used hydraulic oil can cause skin
damage and other bodily harm!
Wear rubber gloves when changing the filter. Carefully wash
off hydraulic oil that has come into contact with the skin.
 Danger of scalding! The hydraulic reservoir is pressurised.
Hot hydraulic oil may spurt out and cause scalding.
Wear rubber gloves and hold the oil drain tray underneath the
drain in a way that prevents the oil from making contact with
your body.
Provide a sufficiently large drain tray.
1. Park the machine on level ground.
2. Lower the work equipment to the ground.
3. Switch off the engine.
4. Secure the articulated steering on the right side with the
steering lock.
5. Place the oil drain tray underneath the drain screw.
6. Remove the cap (1) of the drain valve.
7. Screw a drain hose (2) onto the drain valve. This opens the
drain valve.
8. Drain the oil.
9. Once the oil has drained out, unscrew the drain hose (2) and
screw on the cap (1).
1