T M 9 - 2 8 1 5 - 2 0 2 - 3 4 5-37. (30) (31) (32) CYLINDER  HEAD  REPAIR  (Cont) CAUTION Insure  oil  supply  fitting  (10)  is  installed in throttle delay housing (5) or low oil pressure  will  result  in  engine  failure. NOTE Install  special  rocker  arm  shaft bracket (5) containing throttle delay housing at right bank No. 1 cylinder on models 7083-7396 and 7083-7391. Model 7083-7391 does not require an operational throttle delay  system. if  necessary,  install  check  valve  (9)  used on model 7083-7396 and oil supply fitting (1 O), used on models 7083-7396 and 7083-7391, into throttle delay housing (5). Apply engine oil to rocker arm shafts (7) and slide shaft through rocker arms (11). Place  rocker  shaft  bracket  (8)  over  each end of shaft with finished face of bracket toward rocker arm. Insert  eight  rocker  arm  bracket  bolts  (6) through eight brackets (8) and four shafts (7).  Swing  rocker  arms,  shafts,  and brackets in position and thread bolts in cylinder head. Torque bolts to 90-100 Ib-ft (122-136  N-m). 5-64 C h a n g e    1