TM 1-4920-455-13&P
10. Aline bolt holes (14) in base of ECU with
holes (15) in shelf (2).
11.  Obtain  ECU  mounting  hardware  from  shop
storage chest and install IAW TM 5-4120-384-14.
12. Install four plugs (1) in shelf (2).
NOTE
Proper fit between ECU and surrounding seal is essential to maintain light discipline.
13.  Check  seal  (16)  around  ECU  (9)  for  proper  fit  and  alinement.  It  maybe  necessary  to  temporarily
remove  the  ECU  Security  Screen  (17)  to  properly  aline  ECU  seal.
2-16