(5)  
Location Zones
 221 Center Section Fuel Tank
 305 Left Fuel Tank
 405 Right Fuel Tank

 (6)  
Access Panels
 7202 Fuel Tank Access Door
 7204 Fuel Tank Access Door
 7205 Fuel Tank Access Door
 7206 Fuel Tank Access Door
 7207 Fuel Tank Access Door
 7209 Fuel Tank Access Door
 7211 Fuel Tank Access Door
 7212 Fuel Tank Access Door
 7402 Fuel Tank Access Door
 7404 Fuel Tank Access Door
 7405 Fuel Tank Access Door
 7406 Fuel Tank Access Door
 7407 Fuel Tank Access Door
 7409 Fuel Tank Access Door
 7411 Fuel Tank Access Door
 7412 Fuel Tank Access Door

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 AIRPLANES WITH FQIS WIRE HARNESSES THAT  ú 28-41-31
 ARE CRIMPED AND NOT SOLDERED  ú ú 01 Page 801 ú Jul 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 C. Procedure
 S 868-002
 (1)  Open these circuit breakers and attach DO-NOT-CLOSE tags:
 (a)  P6 Main Power Distribution Panel
 1) QTY
 2) EP GND FUELING

 S 658-003
 WARNING: CAREFULLY DO ALL OF THE SAFETY PROCEDURES TO DEFUEL THE
_______ AIRPLANE AND TO DRAIN THE SUMPS. AN EXPLOSION, BAD INJURIES TO PERSONS, AND DAMAGE TO EQUIPMENT CAN OCCUR.
 (2) Defuel the airplane and drain the sump fuel (AMM 28-23-00/201).
 NOTE: If you are scheduled to do the task in one tank, it is
____
 necessary to defuel only that tank.

 S 018-004
 (3)  Remove the applicable access panels for the fuel tank.
 (a)  
For the wing tank, remove these access panels for the fuel tank (AMM 28-11-11/401): 1) Access panel No. 1 (7202 left, 7402 right) 2) Access panel No. 2 (7204 left, 7404 right) 3) Access panel No. 3 (7205 left, 7405 right) 4) Access Panel No. 4 (7206 left, 7406 right) 5) Access Panel No. 5 (7207 left, 7407 right) 6) Access Panel No. 7 (7209 left, 7409 right) 7) Access Panel No. 9 (7211 left, 7411 right) 8) Access Panel No. 10 (7212 left, 7412 right)

 (b)  
For the center tank, remove the access panel for the center tank (AMM 28-11-31/401).

 S 688-005
 WARNING: CAREFULLY DO ALL OF THE SAFETY PROCEDURES TO PREPARE TO GO INTO
_______ THE FUEL TANK. AN EXPLOSION, BAD INJURIES TO PERSONS, AND DAMAGE TO EQUIPMENT CAN OCCUR.
 (4)  
Do this task for the applicable fuel tank: Purging (Air
 Ventilating) (AMM 28-10-00/201).

 S 358-006

 (5)  
Do the procedure: "Put a New Crimp in the Compensator or the Tank Units" for the compensator and each tank unit.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 AIRPLANES WITH FQIS WIRE HARNESSES THAT  ú 28-41-31
 ARE CRIMPED AND NOT SOLDERED  ú ú 01 Page 802 ú Jul 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 D. Put a New Crimp in the Terminal Lug at the Compensator or Tank Units
 S 018-007
 (1)  
Go into the applicable tank to get access to the compensator or the tank units.

 S 038-008

 (2)  
Disconnect the wire bundles that go to the harness terminal from the compensator or the tank unit.

 S 038-009

 (3)
Loosen or remove the harness clamps to get a length of loose wire.

 S 038-010

 (4)  
Remove the captive screw and the lockwasher from the terminal plug on the HI-Z cable.

 (a)  Keep these items for the subsequent installation.
 S 358-011
 (5)  Put a crimp in the terminal lug for the wire bundle with the AMP hand tool and the correct dies.
 NOTE: Tank units No. 83 and 90 are connected in a parallel
____ circuit at the No. 90 probe. The diameter of this terminal lug barrel is a small quantity more than the diameter of the other terminal lug barrels. Thus, you must use the blue die at this connection (not the red die). The blue die is larger (14-16 gage) than the red die (18-22 gage) by a small quantity.
　
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