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TM 9-2320-364-34-2
3-180
3-32. ENGINE BRAKE RETARDER REPLACEMENT (CONT).
a.
Removal.
NOTE
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.
Tag and mark wires prior to removal.
If supply brake is being removed, perform Step (1). If not, go to Step (2).
(1)
Remove wire connector (1) from supply brake (2).
(2)
Loosen nut (3) between supply brake (2) and drone (4).
NOTE
Perform Step (3) for forward brakes of left bank and rear brakes of right bank. Perform
Step (4) for forward brakes of right bank and rear brakes of left bank.
(3)
Thread connector (5) into drone (4) to clear preformed packing (6).
(4)
Thread connector (5) into supply brake (2) to clear preformed packing (6).
(5)
Remove two screws (7) from drone (4) and remove drone from cylinder head (8).
(6)
Remove and discard preformed packing (6) from drone (4).
(7)
Repeat Steps (1) through (6) for removal of other supply brakes or drones.
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