1_H24维修手册.pdf - 第75页

Edi t i on 5 .0 H 24 H e ad R e p ai r T r a i n i n g T ext f o r S er vi ce E n g i n eer s A dj us t i n g t h e N o z z l e L o w er i n g L ever C h eck S en so r a nd M ea su r i n g t h e A i r P r essu r e 9. Cl …

Edition 5.0

H24 Head Repair Training Text for Service Engineers

Adjusting the Nozzle Lowering Lever Check Sensor and Measuring the Air Pressure

7. Raise all the spool valves.

8. Attach the manometer and jig (2AGKHJ015202) on the head and connect with the

manometer.

2AGKHJ015202

AA1ZT0

＊

φ0.7 nozzle × 23

Spool

FK-9F50-08-0E

6-8

FUJI MACHINE MFG. CO., LTD.

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Edition 5.0

H24 Head Repair Training Text for Service Engineers

Adjusting the Nozzle Lowering Lever Check Sensor and Measuring the Air Pressure

9. Click [Vacuum Break].

10. Adjust the pressure reduction valve on the back of the head so that the vacuum break

pressure becomes 4.0～5.0 kPa (target: 5.0kPa).

11. Once the vacuum break pressure is within tolerance, apply Loctite 222 to the tip of the

pressure reduction valve, and then reattach it at the back of the head.

Apply Loctite 222

Reduce pressure by

counterclockwise

rotation

Raise pressure by

counterclockwise

rotation

Reference

Tips for the adjustment:

Counterclockwise 180 degrees: -0.5Kpa

Clockwise 180 degrees: +0.5 Kpa

For a new valve: Rotate the valve 4.5

turns counterclockwise from the fully

closed condition.

Pressure reduction valve length: 33 mm

FK-9F50-08-0E

6-9

FUJI MACHINE MFG. CO., LTD.

CONFIDENTIAL

Downloaded at 2015/06/18 12:05:48 (JST) by 5LUF0998

Edition 5.0

H24 Head Repair Training Text for Service Engineers

Adjusting the Nozzle Lowering Lever Check Sensor and Measuring the Air Pressure

6.3 Airflow Measurement

1. Set 0.7 mm nozzles on all the syringes except the one you will measure (23 syringes),

and then attach the head to the I/O check jig (AA1RS0*).

2. Raise all spool valves.

3. Attach the measurement jig (2AGKHJ015202) to the syringe to connect with the air flow.

Spool

Airflow

2AGKHJ01520

φ0.7 nozzle × 23

FK-9F50-08-0E

6-10

FUJI MACHINE MFG. CO., LTD.

CONFIDENTIAL

Downloaded at 2015/06/18 12:05:48 (JST) by 5LUF0998