TM   9-2815-202-34 (28) (b) (c) (d) (e) (f) Install valve bridge (17) on valve bridge guide  (18). While firmly pressing straight down on pallet surface of valve bridge (17), turn adjusting screw (106) clockwise until it just touches valve stem. Then turn screw an additional 1/8 to 1/4 turn and tighten locknut (105) finger tight. Remove valve bridge and place in a vise or holding fixture. Hold adjustment screw (106) from turning with screwdriver and torque locknut (105) on adjusting screw to 20-25 Ib-ft (27-34 N-m). Lubricate valve bridge (17) and valve bridge guide (18) with engine oil and install bridge in original position. Place 0.0015 inch feeler gage under each end of valve bridge (17). When pressing down on pallet surface of valve bridge, both gages must be tight. If both feeler gages are not tight, readjust screw as outlined in steps (a) thru (e). Seat slot in valve bridges over outboard exhaust vale stem to prevent valve damage. Insure injector hold-down clamp does not contact exhaust valve spring. (29) Install four fuel injectors (3) in cylinder head and secure in place with four clamps (14), four washers (13), and four bolts (12). Torque bolts to 20-25 Ib-ft (27-34 N-m). Position eight valve bridges (17) on bridge guides (18) with adjusting screw (106) toward outboard side of engine. C  h  a  n  g  e      1  5-63