4.11 REPLACE FLANGE MOUNT THREE-INCH UNISEX COUPLING.

TM 10-4330-237-13&P 4.11 REPLACE FLANGE MOUNT THREE-INCH UNISEX COUPLING. This task consists of: a. Removal b. Installation INITIAL SET-UP: Tools: Materials/Parts Required: Tool Kit, General Mechanics O-Ring (Appendix I, Item 3) (Appendix B, Section III, Item 1) Nut, self-locking (Appendix I, Item 2) Chemical and Oil Protective Gloves Cloth, Lint Free (Appendix F, Item 1) (Appendix B, Section III, Item 2) Petrolatum (Appendix F, Item 2) Pan, Drain (Appendix B, Section III, Item 2) 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. a. Removal. (Figure4-8) WARNING · Rubber gloves should be worn when handling fueling system components due to the toxic effects of some fuel additives. · Serious eye and skin injury could occur from venting of fuel when manual vent valve is opened. Wear suitable protective clothing and eye protection. NOTE This procedure assumes that the liquid fuel filter-separator has been defueled. However, some fuel will remain in the diverter cavity after defueling. (1) Connect the liquid fuel filter-separator grounding cable (1) to a ground rod. (2) Depress and latch open the manual vent valve (2) to relieve any pressure from filter vessel (3). (3) Drain fuel from diverter cavity into a suitable container by removing filter vessel gravity drain plug (4). (4) Dispose of the drained fuel in accordance with local SOP. (5) Remove the six bolts (5), flat washers (6) and self-locking nuts (7) that secure the flange mount unisex coupling (8) to the filter vessel (3). Discard the self-locking nuts. 4-18