S 214-013
(5)
Make sure that the screw holds each terminal tightly and the terminal will not turn.
S 214-012
(6)
Make sure there is a drip loop in the wire as shown on the illustration.
NOTE: Water drops can collect on the wire and fall on the
____ electrical terminals. The drip loop will prevent this.
S 424-014
(7)
Tighten the wire clamp nut to 7-9 pound inches.
S 414-015
(8)
Install the access panel for the fuel tank (AMM 28-11-11/401 or AMM 28-11-31/401).
S 864-017
(9)
Close these circuit breakers and remove the DO-NOT-CLOSE tags:
(a) P6 Main Power Distribution Panel
1) EP GND FUELING
2) QTY
S 824-023
(10) Do this task: System Adjustment - Fuel Quantity Indicating System (AMM 28-41-00/501, AMM 28-41-02/501).
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A
737-300/400/500MAINTENANCE MANUAL
TANK AND COMPENSATOR UNITS - ADJUSTMENT/TEST
____________________________________________
TASK 28-41-21-715-001
1. Tank and Compensator Units Test_______________________________
A. Equipment
(1)
System Tester
use one of these:
(a)
Model GTF-2, P/N 361-012-001, Gull Airborne Instruments, Inc., 55 Engineers Road, Smithtown, New York, 11787
(b)
Model PSD 40-1 or PSD 60-1, -2, or -2R, JcAir, Inc., 400 Industrial Parkway, Industrial Airport, KS 66031
(c)
Model 8000, Barfield Instrument Corp., Miami, Florida 33142
(2)
Test Harness (To connect the system tester to the fuel tank spar bulkhead receptacle):
-F72731-81 (airplanes with rectangular spar bulkhead receptacles)
-F72731-130 (airplanes with round spar bulkhead receptacles, to be used only for the No. 1 tank and the No. 2 tank, these airplanes do not have a bussing plug on the center tank)
-PSD40-504M (JcAir, 400 Industrial Parkway, Industrial Airport, KS 66031), for use with JcAir equipment to test the center tank on airplanes without a bussing plug on the center tank
(3)
F80048-89, -90 (recommended) - Leading Edge Flap Actuator Locks
(4)
F80048-84 (alternate) - Leading Edge Flap Actuator Locks
B. References
(1)
AMM 27-81-00/201, Leading Edge Flap and Slat Control System
(2)
AMM 28-23-00/201, Defueling
(3)
AMM 28-41-41/401, Tank and Compensator Unit Bussing Plug
(4)
AIPC 28-41-21-01
(5)
WDM 28-41-01
C. Access
(1) Location Zones
221 Center Section Fuel Tank
305 Fuel Tank (Left)
405 Fuel Tank (Right)
D. Test of the Tank and Compensator Units Resistance and Capacitance
S 655-002
(1) Defuel the airplane or defuel the applicable fuel tank only, and drain the sump fuel (AMM 28-23-00/201).
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737-300/400/500MAINTENANCE MANUAL
S 865-041
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
_______ FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAPS. THE FLAPS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(2) To test the No. 1 or 2 tank units, extend the leading edge flaps (AMM 27-81-00/201).
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO
_______ INSTALL THE LE FLAP SAFETY LOCKS. THE LE FLAPS CAN MOVE QUICKLY IF YOU DO NOT INSTALL THE SAFETY LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(a) Install safety locks on the leading edge flaps
(AMM 27-81-00/201).
