Inspection - TM-10-3930-673-340144

TM 10-3930-673-34

3-7. CYLINDER HEAD ASSEMBLY REPLACEMENT/REPAIR (CONT)

(c)

Measure gap under straightedge in

areas indicated in illustration.

NOTE

If warpage, uneven surfaces, or

distortion are found, cylinder head

assembly must be replaced.

TR00609

(2)

Inspect intake and exhaust valves (8

and 9). Grind all reused valves. Tag

and mark new valves respective to

their location in the cylinder

head (3).

(a)

Inspect intake and exhaust valves (8

and 9) stems for scratches or scuff

marks.

(b)

Inspect intake and exhaust valves (8

and 9) faces for ridges, cracks, or

pitting.

TR00606

(c)

Check intake and exhaust valves (8

and 9) stem tip for flatness and replace valve if necessary.

NOTE

If a new valve is required, mark

replacement location on valve.

(3)

Measure valve stem diameter.

Minimum allowable diameter is

0.3126 in. (7.94 mm). Tag and mark

new valves respective to their

location in the cylinder head (3).

3-42