e. Reassembly. Reassemble the crankshaft and
main bearings in the reverse of the numerical sequence
crankshaft and main bearings.
(2) Reverse the instructions outlined under
"Crankshaft and main bearing removal".
54. Cylinder Block
a. General. The cylinder block forms the primary
structural part of the engine. Rigidity, strength, and true
alignment of the block bores and bearings are provided
by integrally cast cross members. The block is bored to
receive cylinder liners and two section (upper and lower)
water jackets which extend the full length of the bore.
Surrounding the water jackets is an air box which
conducts air from the blower assembly to the cylinder
liners. The cylinder liners are of the replaceable type,
accurately machined and heat treated to provide long
STEP 2. REMOVE FRONT COVER.
operating life. The top flange of the liner fits into a
recess in the top of the cylinder
Figure 28-2. Crankshaft pulley and front cover, exploded view.