TM 9--2350--292--20--2 0703 00--4 FIXED FIRE EXTINGUISHER CYLINDER AND LINES REPLACEMENT -- CONTINUED 0703 00 Installation--Continued 4.   Install six heads (21) on six cylinders (2). 5.   Install two elbows (18), two tees (16) and tee (14) on five heads (21). 6.   Install coupling (19) and four adapters (13) on two control valves (20). 7.   Connect two interconnecting tubes (17) to two elbows (18) and two tees (16). 8.   Connect two interconnecting tubes (15) to two unions (12) and two tees (16). 9.   Connect two interconnecting tubes (11) to tee (14), adapter (13) and two unions (12). 10. Install two hoses (9 and 10) with four clamps (8), four screws (6) and four new lockwashers (7). 11. Cross two hoses (9 and 10), install eight clamps (5) with eight screws (3) and eight new lockwashers (4). Con- nect two hoses (9 and 10) to four cylinders (2). Figure 371 3 3 4 4 5 5 6 7 8 9 10 2 2 2 2 11 11 12 12 13 14 15 15 16 16 17 17 18 18 13 19 20 20 21 21 21 A B C D PLUG MECHANICAL PORT PLUG MECHANICAL PORT CONDUIT MECHANICAL PORT ADAPTER (13) TUBE PNEUMATIC PORT ADAPTER (13) HOSE PNEUMATIC PORT ADAPTER (13) CONDUIT MECHANICAL PORT ADAPTER (13) PLUG PNEUMATIC PORT HOSE PNEUMATIC PORT COUPLING (19) A B C D