Takeuchi TB28FR, Руководство оператора

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148
TROUBLESHOOTING
2
4
3
F4J003
M
To Lower the Boom
If the hoe attachment must be lowered to
the ground while the engine is stopped, use
the following procedure to do so.
This operation is dangerous and requires
experience. Have it performed by a Takeuchi
sales or service outlet.
Procedure
¡
Do not approach in the area of the
ground where the hoe attachment is to
be lowered. You may be hit by dirt
falling out of the bucket or the hoe
attachment as it drops.
¡
Turn the port relief valve’s set screw
slowly so that the boom lowers slowly.
Do not turn the screw more than the
specified amount.
1. Loosen the bolts and remove cover (1).
2. Remove the lock nut (4).
3. Put mark (M) on the plug of the port relief
valve (2) and set screw (3).
WARNING
4. Turn the set screw (3) slowly 2 turns to
lower the boom.
5. Check for safety and machine stability.
6. Turn the set screw (3) back to its original
position.
7. Tighten the lock nut (4).
Tightening torque: 24.5 N·m (18.1 ft-lb.)
8. Reinstall the cover (1).
1
F4J002
2