TM 5-3805-281-24-2
Cylinder Head and Valves
HEAD GASKET JOINT CONSTRUCTION AND OPERATION
The head gasket joint consist of:
Cylinder
head gasket
Cylinder
head (A)
Cylinder
block (E)
Cylinder
liners (C)
Cylinder
head cap screws (B)
The head gasket must form an air-tight seal between
cylinder liners and cylinder head that can withstand the
temperatures and pressures of the combustion process.
The gasket must also form a liquid-tight seal between the
cylinder head and cylinder block to retain coolant and oil
A--Cylinder Head
in their respective passages. The gasket is constructed of
B--Cylinder Head Cap Screws
thin, formed sheets of steel-inserted, non-asbestos
C--Dowel Pins
material (F). The surface of gasket is treated to improve
D--Cylinder Liners
liquid sealing and anti-stick characteristics. A fire ring
E--Cylinder Block
F--Gasket Body
combustion seal (G) is located at each cylinder bore and
G--Fire Ring Combustion Seal
is held in place by a U-shaped stainless steel flange (H).
H--Stainless Flange
Continued on next page
RG,RG34710,1072
1923OCT971/2
