Takeuchi TB128FR, Operator'S Manual

Page: 184 / 215

6-12
TROUBLESHOOTING
2. Put marks (M) on the port relief valve (2),
lock nut (4) and adjuster screw (3).
3. Loosen the lock nut (4) while holding the
adjuster screw (3) in place with a
hexagonal wrench.
4. Turn the adjuster screw (3) slowly 1 and
1/3 turns to lower the boom.
5. Check safety and stability of the machine.
6. Return the adjuster screw (3) to the
original position.
7. Tighten the lock nut (4) while holding the
adjuster screw (3) in place with a
hexagonal wrench.
Tightening torque: 27 to 31 N·m (20 to 23
ft-lb)
8. Close the cover (1).
LOWERING THE BOOM TO
THE GROUND
If the hoe attachment must be lowered to the
ground while the engine is stopped, use the
following procedure.
This operation is dangerous and requires
experience. Ask your sales or service dealer
for it.
Procedure
WARNING
• Keep away from the working area when
the hoe attachment is lowered. You may
be hit by dirt falling out of the bucket or
the hoe attachment as it drops.
• Gradually lower the boom by slowly
turning the adjuster screw on the port
relief valve. Do not turn the screw more
than the specified amount.
LOWERING THE BOOM TO THE GROUND
1. Open the cover (1).