(2)
Electrical Bonding Jumpers in the Fuel System Replacement
(3)
Fuel System Static Bond Path, No. 1 Tank - Inspection
(4)
Fuel System Static Bond Path, No. 2 Tank - Inspection
(5)
Fuel System Static Bond Path, Center Tank - Inspection
TASK 28-00-00-202-017
2. Inspection of the Electrical Bonding Jumpers in the Fuel System_______________________________________________________________
A. General
(1)
This task contains visual, mechanical and physical inspections of the electrical bonding jumpers in the fuel system.
(2)
The tin plating on the bonding jumper usually supplies a smooth finish. When there is deterioration of the tin plating on the bonding jumper and the copper in the wire reacts with any sulfur compounds in the tank, the finish becomes rough to the touch and the bonding jumper can show signs of fraying.
B. References
(1) SWPM 20-20-00, Electrical Bonds and Grounds
C. Access
(1) Location Zones
221 Center Section Fuel Tank
305 Left Fuel Tank
405 Right Fuel Tank
D. Electrical Bonding Jumper Visual Inspection
S 212-018
(1) Visually inspect the bonding jumper color.
(a)
If the bonding jumper is silver in color and does not show a color change, then the bonding jumper is satisfactory.
(b)
If the wire braid on the bonding jumper has black or brown deposits, do the task: Electrical Bonding Jumpers in the Fuel System Replacement.
(c)
If only the areas near the lugs have black or brown deposits, do the "Electrical Bonding Jumpers Physical Inspection" procedure.
E. Electrical Bonding Jumper Mechanical Inspection
S 282-019
(1) Try to turn the bonding jumper lugs and tube clamps, if applicable, with light finger pressure.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
RIB NO. 1
(SIDE-OF-BODY RIB)
CENTER (WBL 71.24)
FRONT
SPAR
FUEL TANK
(WBL 355.00)
RIB NO. 14 (WS 479.00)
RIB NO. 15 (WS 505.00)
RIB NO. 16 (WS 531.00)
SURGE
TANK
(TOP VIEW)
Rib and Access Locations
Figure 201 (Sheet 1)
M10385
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SURGE
TANK
RIB NO. 16 (WS 531.00)
RIB NO. 15 (WS 505.00)
RIB NO. 14 (WS 479.00)
FUEL TANK
FRONT
SPAR
RIB NO. 1 (SIDE-OF-BODY RIB)
(WBL 71.24) RIGHT WING (TOP VIEW)
Rib and Access Locations
Figure 201 (Sheet 2)
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ú 01 Page 203
ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
M10389
A 737-300/400/500MAINTENANCE MANUAL
SEEB 1
ENGINE NO. 2
BOOST PUMP
HOUSING WING LOWER SURFACE
SHOULDER SEEA 1
BOLT
RIGHT WING (TOP VIEW)
MOUNTING
CLAMP
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