6-12
TroubleshooTing
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
• 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 slowly by
slowly turning the set screw on the
shut-off valve. Do not turn the screw
more than the specified amount.
LOWERING THE BOOM TO THE GROUND
3. Loosen the lock nut (3) while holding the
adjust screw (4) in place with a hexagonal
wrench so that the adjust screw (4) will not
be loosened together with the lock nut (3).
4. Turn the adjust screw (4) slowly 1/4 turn to
lower the boom.
5. Check for safety and stability of the
machine.
6. Return the adjust screw (4) to the original
position.
7. Tighten the lock nut (3) while holding the
adjust screw (4) in place with a hexagonal
wrench so that the adjust screw (4) will not
be loosened together with the lock nut (3).
· Lock nut (3) tightening torque: 12.4 to
13.6 N·m (9.1 to 10 ft-lb.)
· Adjust screw (4) tightening torque: 6.3 to
7.5 N·m (4.6 to 5.5 ft-lb.)
8. Reinstall the side cover (1) and the lever
(2).
1. Remove the cover (1).
2. Take out the bolt and remove the cover
(2).
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