Page 156
REPAIR INSTRUCTIONS
The height of the cylinder sleeves above the
cylinder block deck (under the same cylinder
head) can vary as long as all are within the
0.023–0.029-inch (0.584–0.737-mm)
specification.
7. Using dial bore gauge J 5347-B, or
equivalent, check the cylinder sleeve for out-
of-round and taper limit (Figure 148). Take
readings in two directions, 90 degrees apart,
at each of three levels.
Cylinder sleeve ID maximum: 4.877 inches
(123.876 mm).
Cylinder sleeve ID minimum: 4.875 inches
(123.825 mm). The cylinder sleeve ID may
be a minimum 4.872 inches (123.749 mm)
due to close-in from press fit.
148
Figure 148 — Checking Cylinder Sleeve for
Out-of-Round or Taper
HONING THE CYLINDER SLEEVE BORE
All MACK engines currently produced have fine
precision-finished cylinder sleeves. Because of
the precision finish, honing is NOT
recommended. Particles from the honing process
which become wedged in the pattern are
impossible to completely remove and can cause
further damage.
5_106_00.bk Page 156 Friday, August 4, 2000 11:17 AM
BDC for engine manuals and specs