S 764-025

 (5)  
Do a check of the electrical bond between the vent scoop and the door assembly.

 (a)  The resistance from the vent scoop to the door assembly must not be more than 0.010 ohms.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH THE SURGE TANK FLAME ú

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 ú 01 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.  Page 405Jul 12/99 

A
737-300/400/500MAINTENANCE MANUAL
 S 764-026
 (6)  Do a check of the electrical bond between the flame arrester and the
 door assembly.
 (a)  The resistance must not be more than 0.010 ohms.
 S 414-015
 (7)  Install the access panel for the air vent scoop (AMM 28-11-11/401).
 S 214-033
 (8)  AIRPLANES WITH A VENT SCOOP FLAME ARRESTOR;
 The surface of the vent scoop access panel protrudes 0.06 inch +/-
0.02 inch out from the surface of the airplane skin when the access
 panel is installed correctly.
 NOTE:____ This acceptable misfairing is permitted because of the
 increased weight of the access panel with the flame arrestor
 installed.

 S 864-016
 (9)
Connect the battery again, if you disconnected it before this step.

 S 094-017

 (10)
 Remove all the warning signs that you installed before this step.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH THE SURGE TANK FLAME ú

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 ARRESTER  ú
 ú 01 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.  Page 406Jul 12/00 

A
737-300/400/500MAINTENANCE MANUAL
 AIR VENT SCOOP FLAME ARRESTOR - CLEANING/PAINTING
_________________________________________________
 TASK 28-13-31-107-005
 1.  Air Vent Scoop Flame Arrester Cleaning (Fig. 701)______________________________________
 A. Equipment
 (1)  
Air gun with 90 to 100 psig air supply

 (2)  
Mild detergent and water

 B. Consumable Materials
 (1)  B00316 Solvent - Aliphatic Naphtha TT-N-95
 C. References
 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 28-23-00/201, Defueling

 D. Access
 (1)  
Location Zone
 304 Left Fuel Vent Surge Tank
 404 Right Fuel Vent Surge Tank

 (2)  
Access Panels
 7102 Fuel Tank Vent Scoop Door
 7502 Fuel Tank Vent Scoop Door

 E. Prepare to Remove Access Panel No. 14
 S 037-054
 (1)  
Make sure the airplane is correctly grounded to an approved and identified ground.

 S 947-055

 (2)  
Remove all the electrical power from the airplane
 (AMM 24-22-00/201).

 (a)  Do not connect the power again until the fuel tank is closed and safe.
 S 947-056
 (3)  Disconnect the battery and attach a sign that shows OPEN FUEL TANKS
 -DO NOT CONNECT.
 S 947-057
 (4)  Put a rope around the outboard secton of the wing and attach signs that you can see clearly that show DANGER - OPEN FUEL TANKS.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH THE SURGE TANK FLAME ú

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 ARRESTER  ú
 ú 01 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.  Page 701Mar 12/01 

A 737-300/400/500MAINTENANCE MANUAL
BOOST PUMP ACCESS PANEL NO. 1 NO. 1 NO. 2

TANK NO. 2 SHOWN
TANK NO. 1 OPPOSITE

____NOTE:  PANEL NO. 1,4,6,8 AND 10
 HAVE DRIPSTICK INSTALLED. 
　
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