4)
After approximately 5 minutes, stop the engine. Then, start the engine as usual.
PHENOMENA THAT ARE NOT FAILURES
Note that the following phenomena are not failures:
• When the arm is operated IN from a high position for dig-
ging under no load, the arm speed drops momentarily at
the vertical position.
• When performing bucket CURL operation from a high posi-
tion for digging under no load, the bucket speed drops mo-
mentarily at the horizontal position.
• The bucket or arm wobbles by itself during heavy-duty dig-
ging operations.
• When starting or stopping the swing, a noise is generated from the brake valve.
• When going down a steep slope at low speed, a noise is generated from the travel motor brake valve.
PRECAUTIONS FOR TOWING MACHINE
WARNING
Always use the correct towing equipment and towing
method. Any mistake in the selection of the wire rope or
drawbar or the method of towing a disabled machine and
being towed may lead to serious personal injury or death.
• Always confirm that the wire rope or drawbar used for
towing has ample strength for the weight of the ma-
chine being towed.
• A wire rope having cut strands (A), reduced diameter
(B), or kinks (C) may break. Never use such a wire
rope.
• Always wear leather gloves when handling the wire
rope.
• Never tow a machine on a slope.
• During the towing operation, never stand between the
towing machine and the machine being towed.
• Operate the machine slowly and be careful not to ap-
ply any sudden load to the wire rope.
• Do not use the holes for towing light objects or tie-
down holes when towing the machine.
TROUBLES AND ACTIONS OPERATION
3-258
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