CAUTION: MAKE SURE THAT YOU FLUSH THE PROBE ADAPTER WITH WATER
_______ BEFORE YOU ATTACH THE ADAPTER TO THE PROBE. YOU CAN CAUSE DAMAGE TO THE PROBE OR THE ADAPTER.
 (b)  Flush the probe adapter with water.
 NOTE: Use equal parts of water and ethylene glycol when the
____ temperature is between 32 degrees F and -40 degrees F.
 (c)  Install the probe adapter on the probe.
 S 085-043
 CAUTION: MAKE SURE THAT THE PITOT-STATIC PROBE HAS NO ADDED WEIGHT FROM
_______ THE TEST HOSES. YOU CAN BEND OR TWIST THE PITOT-STATIC PROBE OUT OF TOLERANCE.
 (3)  
Connect the pneumatic test set to the pitot-static probe adapter.

 (a)  
Connect the pitot (pressure) source in the pneumatic test unit through the pitot control valve to the pitot cutoff valve.

 (b)  
Connect the pitot inlet of the probe adapter to the pitot cutoff valve through the test gage and flow restrictor.

 (c)  
Open the pitot cutoff valve.

 (4)  
Do a leak test of the auxiliary No. 1 pitot system.

 S 795-044
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 CAUTION:_______ MAKE SURE THAT THE PITOT LINE PRESSURE IS EQUIVALENT OR
 MORE THAN THE STATIC LINE PRESSURE.  KEEP THE PITOT
 PRESSURE CHANGE BELOW 300 KNOTS FOR EACH MINUTE.  MAKE
 SURE THAT THE DIFFERENTIAL PRESSURE STAYS BETWEEN 0 AND
 10.19 INCHES OF MERCURY.  YOU CAN CAUSE DAMAGE TO THE

 PITOT-STATIC SYSTEM.
 (a)  
Apply pressure to the auxiliary No. 1 pitot system equivalent to 300 |5 knots of airspeed (ambient pressure plus 4.53 |0.16 in. Hg).

 PRESSURE.

 (b)  
Close the pitot cutoff valve to the system when the instrument shows the necessary airspeed.

 (c)  
Stop for 5 to 6 minutes to permit the system to become stable.

 (d)
Write the airspeed.

 (e)  
Stop for 1 minute and read the airspeed again.

 (f)  
Make sure that the airspeed does not go down by more than 5.0 knots (0.16 in. Hg).

 CAUTION:_______ HOLD THE PRESSURE, AS AN ALTERNATIVE, BEHIND THE CUTOFF
 VALVE DURING THE CUTOFF TIME.  YOU CAN CAUSE DAMAGE TO THE
 EQUIPMENT WHEN YOU OPEN THE CUTOFF VALVE WITHOUT THE

 S 865-045
 CAUTION: MAKE SURE THAT THE PITOT LINE PRESSURE IS EQUIVALENT OR MORE
_______ THAN THE STATIC LINE PRESSURE. KEEP THE PITOT PRESSURE CHANGE BELOW 300 KNOTS FOR EACH MINUTE. MAKE SURE THAT THE DIFFERENTIAL PRESSURE STAYS BETWEEN 0 AND 10.19 INCHES OF MERCURY. YOU CAN CAUSE DAMAGE TO THE PITOT-STATIC SYSTEM.
 (5)
Open the pitot cutoff valve.

 S 865-268

 (6)
Put the auxiliary No. 1 pitot system to ambient pressure.

 NOTE: You must release the pressure from the cutoff valves slowly.
____
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 S 085-046

 CAUTION:_______ MAKE SURE THAT THE PITOT-STATIC PROBE HAS NO ADDED WEIGHT FROM
 THE TEST HOSES.  YOU CAN BEND OR TWIST THE PITOT-STATIC PROBE
 OUT OF TOLERANCE.

 CAUTION: DO NOT DISCONNECT THE PNEUMATIC TEST SET WHEN THE PITOT-STATIC
_______ SYSTEM IS NOT AT AMBIENT PRESSURE. YOU CAN CAUSE DAMAGE TO THE EQUIPMENT.
 (7)  
Disconnect the pneumatic test set from the pitot-static probe adapter.

 S 085-047

 (8)  
Remove the pitot-static probe adapter from the lower left pitot-static probe.

 (a)  Remove the probe adapter from the probe.
 NOTE: Dry off the pitot-static probe with a soft rag when you
____ use ethylene glycol.
　
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