Section XIII. Repair of Cylinder Heads

TM 9-2815-213-34

and are placed between valve tappets. Aline tappet and

must be 0.010 inch clearance between tappet and plate

lock in position with retainer plate. There

when capscrew is tightened down.

Section XIII. Repair of Cylinder Heads

3-64. Disassembly

a. Install head in holding fixture (25, fig. B-28 as

b. Using valve spring compressor (44, fig. B-28)

remove valve assemblies as shown in figure 3-26.

c. Using injector sleeve puller (19, fig. B-28)

remove injector sleeves as shown in figure 3-27.

d. Using cross head guide puller (43, fig. B-28)

remove crosshead guides as shown in figure 3-28.

e. Remove all pipe plugs.

3-45. Cleaning

Clean cylinder heads and valve assemblies in

accordance with instructions in paragraph 2

Figure 3-27. Injection sleeves-removal/installation.

Figure 3-25. Cylinder head in fixture.

Figure 3-28. Crosshead guide-removal/installation.

3-66. Inspection

Refer to paragraph 2-6 for general inspection

procedures.

a. Cylinder Head Fuse Plugs (fig. B-6). Cylinder

heads are equipped with fuse plugs containing a metal

alloy center that melts if the engine overheats. Examine

all fuse plugs for evidence of overheating. Replace all

defective plugs.

b. Valtve Seats (fig. 3-29). Inspect for loose valve

seats by tapping lightly on the cylinder head near the

inserts. If valve seat is loose enough to bounce, or

cannot be reground, mark for replacement, If valve seat

area exceeds 0.125 inch at any point, replace head

assembly.

Figure 3-26. Valve assemblies-removal/installation.

c. Injector Sleeves.

(1) Perform a water test as follows.

3-16