TM 5-3810-307-24-1-2
h.
Remove the ten cushion housing retaining plate bolts (1) securing the cushion housing
retaining plate (3) to the cushion housing (2).
i.
Hoist and remove the cushion housing (2) from the stack of cushion rings (4), cushion
shim ring (5), and cushion compression ring (6).
j.
If installed, remove the cushion shim ring (5).
k.
Remove the six cushion rings (4).
l.
Remove the cushion compression ring (6) from the cushion housing retaining plate (3).
Inspection.
a.
Check each cushion ring (4, Figure K-18) for wear such as gouging, loss of elasticity,
damage to lips, or general wear.
Installation.
a.
With the cushion housing retaining plate (3, Figure K-18) resting on wood blocks, install
the cushion compression ring (6) in the cushion housing retaining plate (3).
b.
Place the six cushion rings (4) in a stack on top of the cushion compression ring (6) with
the flat sides down and the beveled sides facing upwards.
c.
If required, install the cushion shim ring (5).
d.
Secure and support the cushion housing (2) using a sling or chains attached to the lifting
lugs.
e.
Hoist and install the cushion housing (2) over the stack of cushion rings (4), cushion
shim ring (5), and cushion compression ring (6). Ensure the cushion shim ring (5) and
cushion rings (4) are lined up properly in the center of the cushion housing (2).
Place Loctite 272 (red) on the ten cushion housing retaining plate bolts (1). Align the
f.
cushion housing (3) with the holes in the cushion housing retaining plate (2) and secure
with the cushion housing retaining plate bolts (1). Tighten bolts but do not tighten to final
torque value at this time.
g.
Hoist and install the upper drive housing (3, Figure K-15) as an assembly (cushion
housing, cushion housing retaining plate, cushion rings, and cushion compression ring)
onto the lower drive housing (1).
h.
Place Loctite 272 (red) on the twelve upper to lower drive housing bolts (2). Align the
upper drive housing (3) with the holes in the lower drive housing (1) and secure the
lower drive housing (1) to the upper drive housing (3) with the upper to lower drive
housing bolts (2). Tighten the bolts in an even pattern to avoid binding and torque to
650-700 ftlb (880-948 Nm).
i.
Tighten the cushion housing retaining plate bolts (1, Figure K-18) in an even pattern to
avoid binding and torque to 500 ftlb (677 Nm).
j.
Install the direct drive assembly on the lower cylinder (Page K-44).
k.
Install the two lower gibs on the direct drive assembly (Page K-39).
K-46 Change-1
