TM 10-3930-659-20 5-18. FUEL FILTER HOUSING REPLACEMENT (Con't). 8. Remove elbow (1) from fuel filter housing (4). 9. Remove  adapter  (21)  and  tee  (20)  from  fuel filter housing (4). 10. Remove adapter (19) from fuel filter housing (4). 11. Remove adapter (14) and plug (15) from tee (16). 12. Remove tee (16) and adapter (17) from tee (18). 13. Remove tee (18) from fuel filter housing (4). b. INSTALLATION 1. Install tee (18) on fuel filter housing (4). 2. Install adapter (17) and tee (16) on tee (18). 3. Install plug (15) and adapter (14) on tee (16). 4. Install adapter (19) on fuel filter housing (4). 5. Install tee (20) and adapter (21) on fuel filter housing (4). 6. Install elbow (1) on fuel filter housing (4). NOTE Perform steps 7 and 8 only if bracket was removed. 7. Install  bracket  (10)  on  engine  (13)  with  two new lockwashers (12) and screws (11). 8. Install  fuel  pressure  differential  switch  (see para- graph 5-13). TA706884 5-54