HP Indigo W7200 Baseline procedure -- CA393-03500 Rev 04 - Page 27

Measuring the EBV air knife blower air flow, External Hood air knife blower

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Figure 2-41 External Hood air knife blower 4. After measuring, reconnect the 2"pipe to the blower. 5. Verify that there is air flow to the hood duct. Measuring the EBV air knife blower air flow Follow these steps to measure the EBV air knife blower air flow. 1. Disconnect the 2" pipe from the blower: 2. In Systab Editor, set IO_ECN_EXIT_BLANKET_SPEED to 1023. 3. Place the Anemometer at the outlet duct, as shown below. NOTE: Place the vane far from the outlet and then move it closer to the outlet to avoid impact on the wings. Air velocity should be 29 ± 2 m/sec. Figure 2-42 EBV air knife blower Measuring the EBV air knife blower air flow 25

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Figure 2-41
External Hood air knife blower
4.
After measuring, reconnect the 2”pipe to the blower.
5.
Verify that there is air flow to the hood duct.
Measuring the EBV air knife blower air flow
Follow these steps to measure the EBV air knife blower air flow.
1.
Disconnect the 2” pipe from the blower:
2.
In Systab Editor, set
IO_ECN_EXIT_BLANKET_SPEED
to
1023
.
3.
Place the Anemometer at the outlet duct, as shown below.
NOTE:
Place the vane far from the outlet and then move it closer to the outlet to avoid impact on the
wings.
Air velocity should be 29 ± 2 m/sec.
Figure 2-42
EBV air knife blower
Measuring the EBV air knife blower air flow
25