5-19
MAINTENANCE
DAILY INSPECTION (EVERY 10 HOURS)
Replenishing
IMPORTANT: .Do not fill up to the level
higher than the upper limit (H). It will
damage the hydraulic circuits or result in
oil spurting. If accidentally done, stop the
engine and wait the hydraulic oil to cool,
and then let the excessive oil to drain
from the drain plug.
IMPORTANT: Do not forget to apply
pressure to the hydraulic tank to avoid
damage to the pump caused by air
sucking.
1. Raise the safety lock lever to the locked
position.
2. Slowly loosen the air bleeding plug (1) to
relieve the internal pressure, and then
remove it.
3. Add the hydraulic oil up to the middle of
the sight gauge (4).
4. Pressurize the hydraulic oil tank as follows.
Pressurizing the hydraulic tank
1. Start the engine and run it at low speed.
2. With the vent plug (1) removed, set the
safety lock levers to the released position.
· Hydraulic tank pressurization posture
3. Fully extend the bucket, arm, boom and
offset cylinders. (Tank pressurizing
posture)
4. Stop the engine and raise the left safety
lock lever to engage the lock.
5. Tighten the vent plug (1), and then
pressurize by retracting the cylinders.
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