Method For Replacing Hst Drain Filter Cartridge - Komatsu WA200-8 Operation & Maintenance Manual

MAINTENANCE

METHOD FOR REPLACING HST DRAIN FILTER CARTRIDGE

• Immediately after the engine is stopped, its parts and oil are still very hot and may cause burn in-
jury. Wait for the temperature to go down, and then start the work.
• When removing the oil filler cap, the oil may spurt out. Turn it slowly to release the internal pres-
sure, then remove it carefully.
Items to be prepared
• Container to catch the drained oil
• Filter wrench
1.
Remove the bolts (1) (4 pieces) and remove the cover (2).
2.
Place a container to catch the drained oil under the filter
cartridge (3).
3.
Turn the filter cartridge (3) counterclockwise by using the
filter wrench, and remove it.
4.
Install the new filter cartridge.
When installing the filter cartridge, tighten it 3/4 of a turn
after the packing surface contacts the seal surface of the
filter head.
Tightening torque: 11.7 to 15.7 Nm {1.2 to 1.6 kgm}
5.
Check that the hydraulic oil level is proper.
If the oil level is between H and L of sight gauge (G), it is
proper.
k k
WARNING
MAINTENANCE PROCEDURE
4-69