Yuchai YC25-8, User Manual

Page: 163 / 205

Hydraulic Digger
5-33
Hydraulic System
Maintenance manual
Capacity of the hydraulic oil tank-----------------------------------------40L
Check the level of the oil---------------------------------------------------10h
Replace the filter-----------------------------------------------------------500h
Replace the hydraulic oil-------------------------------------1000
－
1500 h
Check the pressure system---------------------------------------------500h
warning: It brings the serious hurt and death if the hydraulic
oil or the axunge rip into the skin. Avoid your hand or body close the
leaking area. It should use the paper to check it.
Warning: For avoid hurt, it does the maintenance only after
the hydraulic oil cool or before working everyday. When Take-down
the flange cover of the sprue, it need turn the cover slow and release
the pressure to avoid the oil spurt out.
1. Check the level of the oil of hydraulic pressure tank
Check it every 10 hours.
1) Stop the machine on the road.
2) Start the engine and make the oil tanks reciprocation moving
3) Draw back the oil tank of the level, and throw out the oil tank of
the bucket, then down the bucket. Lie the bulldozer to the
ground, then stop. See the picture.