Komatsu WA470-5H Operation & Maintenance Manual page 278

HANDLING LOAD METER
5. Press the (&) of monitor panel selector switch 1. The dis-
play changes to "STEP 1" on the top line, and "FULLY
ROLL BACK" and "AT CARRY POSI" are displayed in turn
for 3 seconds each on the bottom line.
6. Follow the instructions on the screen, tilt the empty bucket
back fully, then lower the lift arm to set to the travel posture.
7. When the lift arm is lowered, the display changes to "STEP
2" and "RAISE TO TOP".
This completes preparation for setting the calibration when
empty.
8. Follow the instructions on the screen and raise the lift arm
fully.
When raising the lift arm, carry out the operation as close to
actual operation as possible.
9. When the setting of the empty calibration is completed cor-
rectly, the buzzer gives short sounds, and the character dis-
play returns to the normal service meter and time display.
10.If the setting of the empty calibration is not completed cor-
rectly, the buzzer gives a long sound, and the display
returns to "CALIBRATION" on the top line and "EMPTY
BUCKET" on the bottom line.
11. Repeat the procedure again from Step 5.
6-16
ATTACHMENTS, OPTIONS