Section 5 : Typical Use - Laversab 6300 User Manual

High accuracy automated pressure controller
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6300 Rev H User's Manual
This section assumes that the user has read Section 3 and understood the functioning of the 6300. Please do
not follow the sequence shown below without first reading Section 3.
The following steps show a typical use of the 6300 for checking aircraft instruments.
1.
Connect the aircraft adapters and hoses to the aircraft's Pitot and Static ports. You must connect to
both the Pitot and the Static ports, even if the check is being done on only Pitot or Static. Do NOT
connect the hoses to the 6300 at this moment.
2.
Set the "Baro Adjust" on the aircraft to 29.92 inHg or 1013.25 mbar or "Standard".
3.
Turn on the 6300 and check the Leak Timers. Adjust the Leak Timers if necessary.
4.
Set the Static Rate target to a value that does not exceed the maximum allowed for the aircraft.
5.
Set the Pitot Rate target to a value that that will be suitable for the airspeed indicator on the aircraft.
6.
Open the Pitot and Static ports (on the 6300) to ambient and perform the Self-Test using the
key. Pitot and Static Vent valves must be closed (but not too tight).
7.
Connect the hoses to 6300 Pitot and Static ports. Perform the Go-To-Ground function using the
key. Wait for the targets to be achieved.
8.
If the targets are not achieved, or if the Actual values are fluctuating, then this indicates that the Pitot
or Static system is open to ambient and is unable to achieve the targets. Turn Off the 6300 and fix the
problem before proceeding.
9.
Once the tester is very stable in Control mode at Ground, set the Pitot target to 100 knots and GO.
10. When Pitot achieves 100 knots, wait for 30 seconds, then put ONLY Pitot into Leak mode, leaving
Static in Control mode.
11. If Pitot has a significant leak (more than 5 knots/min.) then first try and find the leak while Pitot is in
Leak mode. If you lose all airspeed while searching for the leak, cancel out of the Leak screen and go
back to Step 10. Then continue to search for the leak. If you need to disconnect any hoses or adapters
then first:
a.
Go To Ground
b. Turn Off the 6300.
c.
Then disconnect hoses or adapters.
12. Only after the Pitot system is reasonably leak-tight (leak less than 5 knots/min), should you proceed
to the next step.
13. Leave the Pitot target at 100 knots and set the Static target to 3000 feet above Ground. Both Pitot and
Static outputs should be in Control mode. Press GO.
14. When both Pitot and Static targets have been achieved, wait for 30 seconds, then put ONLY Static
into Leak mode, leaving Pitot in Control mode.
15. If the Static port has a significant leak (more than 100 feet/min.) then first try and find the leak while
the 6300 is in the Leak screen. If you lose significant altitude while searching for the leak, cancel out
of the Leak screen and go back to Step 14. Then continue to search for the leak. If you need to
disconnect any hoses or adapters the first:
125-9106A

SECTION 5 : TYPICAL USE

TEST
GND
Page 60

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