Takeuchi TB290 User Manual

5-56
MAINTENANCE
This operation is dangerous and requires
experience. Ask your sales or service dealer
for help.
If air is not released, the working equipment
could become slow in reacting to the
operation of the operator and show
unexpected behavior.
Warning
When removing plugs or screws, or when
disconnecting hoses, stand to the side
and loosen them slowly to gradually
release the internal pressure before
removing.
•Emergencyshut-offvalve
1. Place a pan under the hose (A) or (B) to
catch the waste oil.
2. Start the engine and run it at low idle.
3. Fully lower the safety lock lever to the
unlock position.
Boom
EVERY 4000 HOURS
2-Piece boom
4.Loosenthehose(B)slowly.
5. Slowly move the arm in the “Arm in”
direction a little until there are no more air
bubblescomingfromthehose(B)joint.
6. Tighten the hose (B).
4.Hold
thehosetting(A)inplacewitha
wrench and slowly loosen the hose nut (1).
5. Slowly move the boom in the “Boom
lower” direction a little until there are no
more air bubbles coming from the hose
nut(1)joint.
6.Holdthehosetting(A)inplacewitha
wrench and tighten the hose nut (1).
Second boom
Arm

Takeuchi TB290 Specifications

General

Brand	Takeuchi
Model	TB290
Category	Excavators
Language	English