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 TM 55-1905-223-24-3
NOTE
To prevent increased wear, mark each cylinder head as it is removed to identify its
location on the engine.
e.
Using the lifting fixture (hoist) and lifting sling or T-handles, lift each cylinder head (7) from the block. Remove
each cylinder head gasket (6). Discard each gasket.
REPAIR
Repair of the cylinder head group is by replacement of the cylinder head (7, Figure 2-53) and cylinder head gasket (6).
REPLACEMENT
NOTE
Be sure that the side of the gasket marked "TOP" is up (Figure 2-54).
Two types of head gaskets can be used. One type has red silicone sealing beads.
This gasket does not require any additional parts. The other type does not have the
red silicone sealing beads and you must install water grommets into the gasket.
a.
Install a new cylinder head gasket (2, Figure 2-54) on he dowel pins (1) in each cylinder block.
t
b.
Install two threaded guide studs (4) in each block for each cylinder head (3).
WARNING
Because the cylinder weighs more than 50 lb (23 kg), two people or a hoist will be
required to lift the cylinder heads to avoid personal injury.
c.
Install each cylinder head (3) over the guide studs (4) using T-handles.
d.
Remove the guide studs (4).
e.
Use clean engine oil to lubricate the cylinder head capscrews (4, Figure 2-53) and both sides of the flat washer
s
(5).
f.
Allow the excess oil to drain from the threads.
g.
Install capscrews (4) and flat washers (5) in each cylinder head.
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