TM 5-4310-379-14
4-21. Valve Operating Mechanism (Cont).
d.
Install. (figure 4-25)
NOTE
Perform steps 1 and 2 for new cam followers only.
(1)
Clean new cam followers (22) with clean Cindol 1705 and wipe dry.
(2)
Perform initial lubrication on new cam followers (22) as follows:
(a)
Soak cam followers (22) in clean Cindol 1705 heated to 100-125°F (38-520C) for at least one hour to
ensure initial lubrication.
(b)
Rotate the cam rollers during soaking to purge air from the bushing/roller area.
(c)
Keep cam followers (22) from resting on the bottom of container to avoid possible contamination.
(3)
Install six cam followers (22) in cylinder block (23) with hole in cam followers (22) closest to pistons (24).
NOTE
Rotate the cam followers slightly to make sure the cam follower roller is in the notch of the guide and
resting on the camshaft.
(4)
Install six washers (20).
(5)
Install seals (18) and (21) on push rod housing (19) and install push rod housings (19) and washers (17).
(6)
Lubricate outside diameter of push rod housing retainers (16) and install, threaded end up, straight into
bore in cylinder block (23) and tap it down until push rod housing (19) is just held securely.
(7)
Install lower push rods (7), rounded end down, and seated in cam follower (22).
CAUTION
If gasket and oil seal are not installed properly, the lubricating oil passages to the cylinder head will be
blocked and serious damage to the engine will result.
(8)
Install oil seal (15) and cylinder head gasket (14).
(9)
Install two studs 5/8"-11 x 6 into two diagonally opposite bolt holes in cylinder block (23).
(10)
Ensure that there is no foreign material on top of pistons (24).
(11)
Ensure cylinder head gasket surface is clean, and install cylinder head (13).
(12)
Apply anti-seize compound to cylinder head bolt threads and bolt head contact area.
4-60
