There are two supply brakes and two drones on each cylinder bank. Supply brakes are two
center brakes in cylinder head. Drones are two end brakes in cylinder head. All supply brakes
and drones are removed the same way. Right cylinder bank shown.
Apply lubricating oil to preformed packing (6).
Install preformed packing (6) in drone (4).
Position master piston fork assembly (9) of drone (4) over injector rocker clevis (10) and install two
screws (7) in cylinder head (8). Tighten two screws to 90 lb-ft (122 N.m).
Move master piston fork assembly (9) up and down several times to ensure it rides freely on injector rocker
Repeat Steps (1) through (4) for other supply brakes or drones.
Unscrew connector (5) from applicable brake until connector covers preformed packing (6) and makes
contact with adjacent housing.
Back off connector (5) 1/3 turn and hold while tightening nut (3) against drone (4).
Repeat Steps (1) through (7) for remaining brake sets.
Install wire connector (1) at supply brake (2).