The backlash must be 0.0015 to 0.0025
inch (0.0381 to 0.0635 mm).
(5) Install the pushrods in the cylinder block.
Install the rocker arm assembly and
(6) Install the gear housing cover (figure
5 7) and adjust the valve clearance (figure
Figure 7-54. Adjusting camshaft end play.
Section XI. PISTONS. PISTON RINGS, AND CONNECTING ROD ASSEMBLIES
The pistons are the solid type, having
no saw slots or splits in the skirt. Piston ring sets consist
of compression rings and oil regulating rings. The piston
pin is the full floating type, able to rotate in the piston as
(5) Carefully scrape the carbon deposits from
well as in the connecting rod bushing. The connecting
the top of each cylinder bore so that the
rods are heavy alloy steel forgings with precision-type
pistons can be removed without damage
bearings for the crankshaft and bronze bushings for the
to the rings.
On cylinder bores with
excessive wear, it may be necessary to
use a ridge reamer.
7-24. Pistons, Piston Rings, and Connecting Rod
(6) Crank the engine so that the No. 1 piston
connecting rod caps can be removed.
a. Removal and Disassembly.
connecting rod cap (2), and lower bearing
(1) Remove the engine from the unit (para
(3). Be sure to keep the connecting rod
(11), cap (2), and bearings (3, 4) for each
piston together. Do not mix parts. With a
(2) Remove cylinder head cover, rocker arm
block of wood or hammer handle, carefully
push the piston and rod assembly out
through top of the cylinder block. (See
(3) Remove the cylinder head assembly (para
piston are removed from the cylinder
block, reassemble the connecting