TM 10-3510-222-24
3-71. TRUNNION -continued.
b.
REPAIR (Figure 3-68)
(1)
Disassembly
(a)
Open retaining rings (18) and slide onto spacer (23).
(b)
Loosen two setscrews (19).
(c)
Apply pressure between sprocket (21) and spacer (23) to remove bearing (20).
(d)
Remove sprocket (21), collar (22), spacer (23) and two retaining rings (18) from housing (31).
(e)
Remove seal (24) and bearing (25).
(f)
Remove grease caps (26 and 27) and oil cap (28).
(2)
Assembly
(a)
Press bearing (25) in housing (31).
(b)
Install seal (24).
(c)
Measure distance between retaining ring grooves (17) and ends of spacer (23) on both sides as
illustrated.
NOTE
Position spacer in housing with smallest distance away from the sprocket.
(d)
Position retaining rings on spacer (23) but not in grooves (17).
(e)
Position sprocket (21), spacer (23) and collar (22) in housing (31).
(f)
Install bearing (20).
(g)
Position retaining rings (18) in grooves (17).
(h)
Tighten two setscrews (19).
(i)
Install oil cap (28) and two grease caps (26 and 27).
3-164
