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TM 10-4930-250-13&P
(10)Repeatsteps(1) through(7) for remainingclamps.Clampsshouldbe 1inchfromendof hoseand2 inchesapart.
(11) Refer to Figure 4-7 and slide sleeve (1) over clamps (2 and 3).
(12) Start up fuel system and observe repaired hose for leaks.
4.8.8 REPLACE TWO-INCH NON-VALVED UNISEX COUPLING. (Refer to figure 4-9.)
This task consists of:
a. Removal
b. Installation
INITIAL SET-UP:
Tools:
Materials/Parts Required:
Tool Kit, General Mechanics
O-Ring (Appendix 1, Item 8)
(Appendix B, Section III, Item 1)
Petrolatum (Appendix F, Section II, Item 5)
Chemical and Oil Protective Gloves
O-Ring (Appendix I, Item 6)
(Appendix B, Section III, Item 2)
Rag, Wiping (Appendix F, Section II, Item 7)
General Safety Requirements:
Equipment Condition:
AAFARS shutdown (NORMAL SYSTEM
WARNING
SHUTDOWN, para. 2.5. 1)
•
Fuels are toxic and flammable. Do not get on person
Component removed from system (para. 2.8)
or clothing. Do not use near open flame. Area
should be well ventilated.
•
Using dry cleaning solvents incorrectly can cause
injury or even death.
•
Fuel is flammable. Do not smoke.
a. Removal.
Rubber gloves should be worn when handling fueling system components due to the toxic effects of
some fuel additives.
(1) Remove ball retaining screw (1) and O-ring (2).
(2)Position a wiping rag under the coupling (3) with screw hole oriented toward wiping rag. Push in and rotate unisex
coupling (3) back and forth until all 41 balls (4) have collected in the wiping rag.
(3) Pull unisex coupling (3) from inlet (5).
(4) Remove and discard O-ring (6) from inlet (5).
(5)Remove and retain spring (7) from unisex coupling.
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