Takeuchi 190100003, Руководство оператора

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5-66
MAINTENANCE
EVERY 4000 HOURS
4. Hold the hose fitting (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 fitting (A) in place with a
wrench and tighten the hose nut (1).
• Emergency shut-off valve
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.
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.
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
• Cylinders
1. Start the engine, let it run at a low-idling
speed for 10 minutes.
2. Maintain the engine at low idle, and then
slowly extend and retract each cylinder 4
or 5 times, without letting them reach the
stroke end.
3. While running the engine at high speed,
slowly extend and retract each cylinder 4
or 5 times, without letting them reach the
stroke end.
4. Return the engine speed to low idle, and
then slowly extend and retract each
cylinder 4 or 5 times to the stroke end.