5-20
MAINTENANCE
DAILY INSPECTION (EVERY 10 HOURS)
Pressurizing the hydraulic tank
1. Start the engine and run it at low speed.
2. With the vent plug (2) removed, set the
safety lock levers to the released position.
· Hydraulic tank pressurization posture
3. Fully extend the bucket, arm, boom, swing
and span cylinders.
4.
Stop the engine and raise the left safety
lock lever to engage the lock.
5.
Tighten the vent plug (2), and then
pressurize by retracting the cylinders.