Troubleshooting; Phenomena That Are Not Failures - Komatsu PW160-7H Operation & Maintenance Manual

OPERATION

TROUBLESHOOTING

PHENOMENA THAT ARE NOT FAILURES

Note that the following phenomena are not failures:
1. When the arm is pulled in, the speed of movement will drop
momentarily when the arm is more or less vertical.
2. The arm speed will drop momentarily when the bucket teeth
are more or less horizontal.
3. When starting or stopping the swing, noise will be emitted
from the brake valve.
4. When going down a steep slope at low speed, a noise will be
emitted from the travel motor.
PW160-7H VEAM390100
TROUBLESHOOTING
209