TM 5-3805-261-34
ENGINE MAINTENANCE. (cont)
3-13.
Valves. (Sheet 5 of 8)
REPAIR (cont)
3.
Mark four exhaust valves (8) and intake valves
(9) to respective inserts from which they were
measured with.
4.
Grind four exhaust valves (8) and intake
valves (9). Angle of four exhaust valves (8)
and intake valves (9) must be 29-1/4 degrees.
5.
Apply Prussian blue to face of four exhaust
valves (8) and intake valves (9) and install into
its matchmarked insert. Turn valve stem
allowing valve face to lightly ride face of insert.
Remove valve. If blue is transferred to center
of valve face, contact is good. If blue is
transferred to top of valve face, lower insert by
grinding. When blue is transferred to bottom
edge of valve face, raise insert by grinding.
ASSEMBLY
WARNING
Use gloves or tongs to handle extremely cold
parts such as those which have been chilled in
dry ice. Contact between cold parts and your
skin may cause frostbite and other INJURY. If
you are injured, obtain medical help
immediately.
Figure 3-66.
Go to Sheet 6
3-82
