Takeuchi TB175, Operator'S Manual, Page: 155 / 231

152
TROUBLESHOOTING
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3
M
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To Lower the Boom
1. Loosen the bolts and remove cover (1).
2. Put mark (M) on the plug of the port relief
valve (2) and set screw (3).
3. Gripping the set screw (3) with a
hexagonal wrench so that it does not turn
together with the lock nut (4), loosen the
lock nut (4).
4. Turn the set screw (3) slowly one turn to
lower the boom.
5. Check for safety and machine stability.
6. Turn the set screw (3) back to its original
position.
7. Gripping the set screw (3) with a
hexagonal wrench so that it does not turn
together with the lock nut (4), tighten the
lock nut (4).
Tightening torque:
27 to 31 N·m (20 to 23 ft-lb.)
8. Reinstall the cover (1).
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.
When equipped with accumulator (option):
Refer to page 199 “Accumulator”.
Procedure
WARNING
¡ ¡ ¡ ¡ ¡
Never jump off the machine. Use the
steps and handrails when climbing on
and off the machine, and always
support your body at three points with
your hands and feet.
¡ ¡
¡ ¡
¡
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.
L3J007
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