TM 5-5420-202-20-3
HUB ASSEMBLY REPLACEMENT (Sheet 5 of 7)
Using hammer and drift punch, install new (if
4.
required) bolts (D) into hole (E) of hub (B).
Grease new preformed packing (F). Install packing into groove on arm assembly (G).
5.
Install seal assembly (H) with new gasket (J) onto arm (G) lower spindle.
6.
Pack both inner (K) and outer bearings (L) with grease.
7.
Position inner bearing (K) on arm (G) lower spindle.
8.
Install hub (B) onto arm spindle (G), making sure seal assembly (H) alines to five pins on interface
9.
of arm assembly (G).
10. Install eight screws (M) and lockwashers (N) to secure seal assembly (H) to hub (B).
11. Using 9/16 inch socket, tighten screws (M) alternately.
12. Install outer bearing (L) onto spindle. Push hub (B) onto spindle and bearing until bearing seats.
13. Install round nut (P) with dowel. Using spanner wrench with 3/4 inch drive ratchet, tighten nut (P)
while rotating hub one way then opposite.
GO on to Sheet 6.
14-19
Change 4