4.10 REPLACE INLET OR OUTLET UNISEX COUPLING.

TM 10-4330-237-13&P 4.10 REPLACE INLET OR OUTLET UNISEX COUPLING. This task consists of: a. Removal b. Installation INITIAL SET-UP: Tools: Materials/Parts Required: Tool Kit, General Mechanics Petrolatum (Appendix F, Item 2) (Appendix B, Section III, Item 1) Wiping rag (Appendix F, Item 7) Chemical and Oil Protective Gloves O-Ring (Appendix I, Item 5) (Appendix B, Section III, Item 2) O-Ring (Appendix I, Item 3) Goggles (Appendix B, Section III, Item 2) General Safety Requirements: Equipment Condition: Liquid fuel filter-separator removed from WARNING AAFARS. (TM 10-4930-250-13&P, para. 2.8.) · Fuels are toxic and flammable. Do not get on person 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. WARNING Rubber gloves should be worn when handling fueling system components due to the toxic effects of some fuel additives. a. Removal. (Figure 4-7) (1) Remove ball retaining screw (1) and O-ring (2). Discard O-ring (2). (2) Place a wiping rag beneath the coupling (3) and, with the screw hole facing toward the wiping rag, rotate the unisex coupling (3) back and forth to allow the 41 balls (4) to fall into the wiping rag. NOTE There is a small ball and spring in the inlet that are used to maintain electrical continuity. The ball and spring will pop out when the coupling is separated from the inlet. Coupling removal must be performed in a way that captures the continuity ball and spring. (3) Pull the unisex coupling (3) from the inlet (5). Collect the continuity ball (6) and spring (7). (4) Remove and discard inlet O-ring (8). b. Installation. (Figure 4-7) (1) Lightly lubricate inlet O-ring (8) with petrolatum and install in second (square) groove (9) on inlet (5). 4-16