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TM 55-1905-221-14-1
(d) Table 1-7 is a listing of special plug torque specifications.
Table 1-7. Special Plug Torque Specifications.
APPLICATION
**PLUG
ASSEMBLY DATA
Oil gallery plug ...........................
3/8" Dryseal P.T.F. Thd.
*Assemble with maximum
1/16" (1.588mm) protrusion
from surface.
Cylinder head plug .....................
3/8" - 16
Assemble flush to 1/16"
(1.588mm) protrusion
from the surface.
Cylinder head (Top) ....................
1/2" P.T.F. -S.A.E. Short
Flush to 1/8" (3.175mm)
Cylinder head (End)....................
3/4" Dryseal P.T.F. -S.A.E. Short
Flush to 1/8" (3.175mm)
Water plug .................................
1" N.P.T.F. Thd
Assemble 2" to 2-1/4"
(50.8mm to 57.15mm)
below machined surface.
Water plug ................................
1 3/4" - 16
75 (100.185 Nm) to
100 lb. ft. (133.58 Nm)
torque.
Oil drain plug ...........................
18mm
35 (46.753 Nm) to 40 lb.
ft (53.432 Nm) torque.
* After installation, a 7/32" (5.55625mm) rod inserted in oil line must pass inner face of plug.
** Apply sealing compound to plugs used without gaskets.
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