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Komatsu WA470-7 Assembly Instruction Manual page 28

Wheel loader
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Assembly procedure
[Adjustment of bucket TILT]
[Adjustment of bucket TILT]
[Adjustment of bucket TILT]
*Perform the following correction while the engine is running.
*Perform the following correction while the engine is running.
*Perform the following correction while the engine is running.
⑤-4. Dump the bucket fully with the boom in the horizontal position, and then lower the boom
⑤-4. Dump the bucket fully with the boom in the horizontal position, and then lower the boom
⑤-4. Dump the bucket fully with the boom in the horizontal position, and then lower the boom
to raise the front tires.
to raise the front tires.
to raise the front tires.
While running the engine at high idle, tilt the lift arm (lower the machine) gradually.
While running the engine at high idle, tilt the lift arm (lower the machine) gradually.
While running the engine at high idle, tilt the lift arm (lower the machine) gradually.
⑥-4. Slowly return the bucket lever from TILT toward NEUTRAL with fine control. When the
⑥-4. Slowly return the bucket lever from TILT toward NEUTRAL with fine control. When the
⑥-4. Slowly return the bucket lever from TILT toward NEUTRAL with fine control. When the
bucket stops (with the tires floated), hold the lever at the current position.
bucket stops (with the tires floated), hold the lever at the current position.
bucket stops (with the tires floated), hold the lever at the current position.
⑦-4. Press the ENTER switch, and the EPC command value is read and the difference from
⑦-4. Press the ENTER switch, and the EPC command value is read and the difference from
⑦-4. Press the ENTER switch, and the EPC command value is read and the difference from
the standard value is saved as an offset value.
the standard value is saved as an offset value.
the standard value is saved as an offset value.
⑧-4. When the display changes to "1", setting is completed.
⑧-4. When the display changes to "1", setting is completed.
⑧-4. When the display changes to "1", setting is completed.
Bucket Tilt Adjustment
Bucket Tilt Adjustment
Bucket Tilt Adjustment
1
1
1
0: Waiting
0: Waiting
0: Waiting
1: OK
1: OK
1: OK
2: NG
2: NG
2: NG
⑨-4. If the ENTER switch is pressed while the lever output voltage is below the standard
⑨-4. If the ENTER switch is pressed while the lever output voltage is below the standard
value (out of the design range), the display changes to "2" and adjustment is canceled.
value (out of the design range), the display changes to "2" and adjustment is canceled.
Bucket Tilt Adjustment
Bucket Tilt Adjustment
2
2
0: Waiting
0: Waiting
1: OK
1: OK
2: NG
2: NG
⑩-4. Finish the adjustment mode with the RETURN switch.
⑩-4. Finish the adjustment mode with the RETURN switch.
If the RETURN switch is pressed during adjustment, adjustment is finished even in the
If the RETURN switch is pressed during adjustment, adjustment is finished even in the
calibration process.
calibration process.
Precautions
Adjustment of work equipment EPC starting
NO.0060
current
Tools to be used
Name
Others
Others
25
Facilities to be used
Q'ty
Name
Q'ty

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