Boeing 737-600 Maintenance Manual

1. General
A. This procedure has these tasks:
(1) Precautions and Limits for the Refuel Operation
(2) Prepare the Airplane for a Refuel Operation
(3) Pressure Refuel Procedure
(4) Refuel Operation When the Refuel Quantity Indicators Flash
(5) Refuel Operation When the Fuel Quantity Indicating System (FQIS) Does Not Operate
(6) Pressure Refueling Operation For a Refuel Valve That Does Not Open Electrically
(7) Fuel System Drainage
(8) Drain the fuel from the Sumps after Defueling
B. You must not permit the fuel tanks to collect too much water. Do the procedure to drain the sumps
drain valves for each tank regularly.
C. Fuel Servicing Regulations
(1) Each operator is responsible for complying with the local, state and national regulations
regarding aircraft fuel servicing. It is possible that fire codes and standards make it necessary
to use different or more restrictive procedures than those given below. Make sure the
procedures used during the refuel operation give sufficient protection to persons and
equipment.
(2) Obey all of the safety precautions supplied in this task: "Precautions and Limits for the Refuel
Operation".
(3) If you make a decision not to do this recommended procedure, you must have an approved
alternative procedure.
TASK 12-11-00-650-801
2. Precautions and Limits for the Refuel Operation
A. General
(1) Obey all of the precautions in this task when you refuel the airplane.
B. References
Reference
28-21-11-000-801
28-21-11-400-801
28-26-00-650-802
49-11-00-710-802
49-11-00-860-801
49-11-00-860-802
49-11-00-860-803
C. Location Zones
Zone Area
531 Left Wing - Center Fuel Tank, Rib 1 to Rib 5
532 Left Wing - Main Tank, Rib 5 to Rib 22, Wing Station 204.25 to Wing BL 643.50
631 Right Wing - Center Fuel Tank, Rib 1 to Rib 5
EFFECTIVITY
GOT ALL
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
FUEL - SERVICING
Title
Fueling Receptacle Removal (P/B 401)
Fueling Receptacle Installation (P/B 401)
Tank to Tank Fuel Transfer (P/B 201)
APU Operation Limits (P/B 201)
APU Starting and Operation (P/B 201)
APU Usual Shutdown (P/B 201)
APU Emergency Shutdown (P/B 201)
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
D633A101-GOT
12-11-00
Page 301
Oct 15/2017