ú ú 03 Page 536 ú Mar 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 PITOT-STATIC PROBE - REMOVAL/INSTALLATION
_________________________________________
 1.  General
_______
 A.  This subject has two tasks. The first task is the removal of the pitot-static probe. The second task is the installation of the pitot-static probe. The installation task includes a test of the pitot-static probe heater and a leak test of the system.
 TASK 34-11-11-004-001
 2.  Pitot-Static Probe Removal
__________________________
 A.  Access
 (1)  Location Zones
 101/102 Control Cabin
 202 Lower Nose Compartment

 B.  Procedure
 S 864-002
 WARNING:_______MAKE SURE THE PROBE HEAT IS NOT ON. THIS CAN CAUSE INJURY TO PERSONS.
 (1)  Open these circuit breakers and attach DO-NOT-CLOSE tags:
 (a)  P18 Load Control Center
 1) C1, CAPT UPPER L
 2) C2, CAPT LWR R
 3) C3, F/O UPPER R
 4) C4, F/O LWR L

 S 024-008
 CAUTION: DO NOT USE TOO MUCH FORCE TO REMOVE THE PITOT-STATIC PROBE.
_______ THIS CAN CAUSE DAMAGE TO THE PITOT-STATIC PROBE.
 (2)  Remove the pitot-static probe as follows:
 (a)  
Remove the screws that hold the probe to the airplane.

 (b)  
Pull the probe away from the airplane skin until you see the electrical connector and the pitot-static lines.

 (c)  
Disconnect the electrical connector from the probe.

 (d)  
Disconnect the pitot-static lines from the probe.

 (e)  
Put dust caps on the pitot-static lines and the electrical connector.

 (f)  
Remove and discard the gasket.

 (g)  
Remove and keep the shim(s).

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 34-11-11

 ALL  ú ú 02 Page 401 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
UPPER RIGHT 
UPPER LEFT 
LOWER RIGHT  LOWER LEFT 
SEE  A 
ALTERNATE  ALTERNATE 
STATIC PORT  STATIC PORT 

GASKET
SHIM(S)
AS REQUIRED

LOCATOR PIN HOLE
(2)
AUXILIARY
STATIC LINE
CAPTAIN'S OR FIRST/OFFICER'S STATIC LINE
PITOT LINE
SCREW HOLE (6)
RUBBER BOOT
LOCATOR PIN (2)
HEATER CONNECTION
PITOT STATIC PROBE
FWD

A
Pitot Static Probe Installation Figure 401
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 34-11-11

 ALL  ú ú 01 Page 402 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (h)  Remove and keep any cap plugs.
 TASK 34-11-11-404-004
 3. Pitot-Static Probe Installation
_______________________________
 ú  A. Equipment
 ú  (1) Multimeter - Standard (commercially available)
 B. Consumable Materials
 (1)  A00247 - Sealant, BMS 5-95
 C. References
 (1)  
AMM 30-31-00/501, Pitot Static Tubes, Temperature Probe, And Alpha Vane Anti-icing System

 (2)  
AMM 34-11-00/501, Pitot-Static System

 (3)  
AMM 34-11-01/501, Pitot-Static System

 D. Access
 (1)  Location Zones
 101/102 Control Cabin
 202 Lower Nose Compartment

 E. Procedure
 S 864-005
 (1)  Make sure that these circuit breakers are open with the DO-NOT-CLOSE tags attached:
 (a)  P18 Load Control Center
 1) C1, CAPT UPPER L
 2) C2, CAPT LWR R
 3) C3, F/O UPPER R
 4) C4, F/O LWR L

 S 144-006
 (2)  Clean and prepare the surface of the airplane around the installation hole.
 S 424-007
 CAUTION:_______REMOVE THE PROTECTIVE COVER FROM THE PITOT-STATIC PROBE. THIS WILL PREVENT DAMAGE TO THE PROBE.
　
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