TM 9-2320-289-34
3-13.
PISTON, CONNECTING ROD, AND CONNECTING ROD BEARING REMOVAL
AND REPAIR (Con’t).
NOTE
Pistons (8) in 2 rear cyLinder bores (18) run hotter than other 6 pistons.
Greater cylinder bore clearance is provided to allow for greater heat
expansion.
9.
Measure diameter of cylinder bore (18). Measure diameter of piston (8) 90 degrees from
piston pin hole (16) at centerline, Subtract piston diameter from cylinder bore diameter to
determine clearance. Maximum clearance is 0.005 in. (O. 127 mm) for 6 front pistons and
0.0055 in. (0.140 mm) for 2 rear pistons.
TA50652
3-40
