Figure 6-51. Cylinder identifying groove.

Figure 6-51. Cylinder identifying groove.

(1) C y l i n d e r b a r r e l . R e f e r t o p a r a g r a p h 6 -

temperature). The tapered section expands, and

3 2 . Ultrasonic Inspection of Cylinder Barrel, for

is essentially straight at operating temperature.

inspection procedures of the cylinder barrel.

Check bore dimensions, as described in (a)

(2) Cylinder bore. Inspect cylinder bore

through (d), below, against limits specified in

for deep scratches, scoring, or metal pickup.

overhaul standards (table 6-15).

I n s p e c t joint between cylinder head and cylinder

(a) With cylinder at room temperature,

b a r r e l for pitting or erosion. Carefully run finger

take two cylinder bore measurements at top of

over cylinder wall to check for ring ridge.

ring travel. Measure diameter approximately

parallel to line of valves, and then take cross

(3) C y l i n d e r b o r e d i m e n s i o n s . C y l i n d e r

bores taper slightly at the head end (a room

6-55