TM 10-4930-351-14
UNIT MAINTENANCE
ADVANCED AVIATION FORWARD AREA REFUELING SYSTEM MODEL M100A1
REPLACE AUXILIARY PUMP
Materials/Parts Required:
INITIAL SET-UP:
Rags, Wiping (WP 0116 00, Item 21)
Sealant, Thread, LH-150 (WP 0116 00, Item 24)
Tools:
Tape, Teflon (WP 0116 00, Item 32)
Tool Kit, General Mechanic Automotive
(WP 0113 00, Item 1)
Machinist's Vise (WP 0113 00, Item 2)
Equipment Condition
Wash Pan (WP 0113 00, Item 2)
Auxiliary pump module defueled
Chemical and Oil Protective Gloves
(WP 0113 00, Item 2)
WARNING
Death or personal injury may result from the explosion of fuel fumes exposed to an open
flame or spark, or to static discharge. Do not permit smoking, any open flame, or spark
producing equipment within fifty (50) feet (15.24 m) of the auxiliary pump during repair.
Rubber gloves should be worn when handling fueling system components due to the toxic
effects of some fuel additives.
NOTE
Even with the auxiliary pump module defueled, some residual fuel may remain due to normal
REMOVAL
1.
Remove the four screws (1), nuts (2) and washers (3) that attach the power cable connector (4) and the dust cap lanyard
(5) to the module frame (6).
2.
Remove the two hex head bolts (7), lock washers (8) and flat washers (9) that attach the motor end of the pump
assembly (10) to the frame (6).
3.
Support the pump assembly (10) and remove the four hex head bolts (11), lock washers (12) and flat washers (13) that
attach the pump assembly end to the frame (6). Remove the pump assembly (10) from the frame (6). Install four bolts
(11), washers (12 and 13) in the pump assembly (10).
4.
Hold the pump assembly (10) over a wash pan, remove the dust cap (14) from one of the unisex couplings (15 or 16),
open the unisex coupling valve and drain all residual fuel. Close the unisex coupling valve, install the dust cap (14) and
repeat the procedure with the other unisex coupling (15 or 16).
5.
Place the pump end of the pump assembly (10) in a vise.
6.
Remove outlet reducer (17) and outlet coupling (18) as an assembly.
7.
Remove the inlet unisex coupling (19) from the pump assembly (10).
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