Figure 5-30. Correct Hone Finish (Model RMP-J/I-10G)

TM 5-4110-217-14

method but a telescoping gauge can be used. Check the

23 degrees. This can be achieved by moving the hone

size at six places in the bore; measure twice at the top,

up and down in the cylinder about 40 cycles per minute.

h. Clean the cylinder block thoroughly with soap,

middle and bottom at 90 degree angles.

g. When the cylinder is approximately 0.002 inch

water and clean rags. A clean white rag should not be

within the desired bore, change to fine stones and finish

soiled on the wall after cleaning is complete. Do not use

the bore. The finish should not be smooth but as shown

a solvent or gasoline since they wash the oil from the

in figure 5-30. The crosshatch formed by the scratching

walls but leave the metal particles.

Dry the crankcase and coat it with oil.

of the stones should form an angle of

Figure 5-30. Correct Hone Finish (Model RMP-J/I-10G)

5-19