TM 5-5420-228-24
HEU OR EARLY MODEL LOCKING CYLINDER REPAIR (Sheet 2 of 4)
3.
Remove retainer plate (C) from piston rod (A).
4.
Using spanner wrench in unthreaded holes (D), remove bushing (E).
5.
Remove wiper ring (F) (Early Model) or scraper (F) (HEU Model) from bushing (E). Discard wiper
ring or scraper (F).
6.
Using socket, remove eight screws (G).
7.
Remove land ring (H) from piston rod (A).
8.
Remove wiper ring (J) from land ring (H) and discard wiper ring (J).
9.
Using flat-tip screwdriver, remove preformed packing (K) and spacer ring (L) (Early Model) or retainer
(L) (HEU Model) from land ring (H). Discard ring (L).
10. Remove pack assembly (M) (Early Model) or pack assembly (M) (HEU Model) from piston rod (A).
Discard assembly (M).
Go on to Sheet 3
TA251732
3-242.4
Change 3