TM 5-4310-276-14
(2) Remove capscrews (9, fig. 7-1) holding cyl-
(c) Assemble large end of spring (15) to in-
inder (8) to crankcase (19, fig. 7-3) and lift off cylin-
side of retainer (16).
der. Mark top of each piston on side nearest pulley
(d) Place valve (14) on top of spring (15)
so that they can be reinstalled in the same position.
and assemble valve seat (13) by turning clockwise
with wrench (11).
(3) Remove key (8) from crankshaft (16) and
(6) When tightened, each seat or retainer
file the edges of the keyway to remove burrs, thus
must be flush with surface of head. Torque to 50
avoiding damage to the oil seal when removing
foot-pounds.
crankshaft.
(7) Install gasket (7, fig. 7-1) and
cylinder
(4) Remove end cover (10) and slide crank-
head (6) onto cylinder (8) with screws (4 and 5).
shaft with connecting rods and pistons, out of
crankcase being careful not to damage the oil feeder
(8) Attach intercooler (3) with tube nuts and
ring (15). Place pulley end of crankshaft in a vise
attach breather tube (2) with tube elbows (l).
using soft jaws to prevent damage.
(9) Install air cleaner by turning it clockwise.
(5) To
remove pistons (8, 19, fig. 7-4) remove
washers (3 and 14) from end of wrist pins (4 and 15)
and drive wrist pins out of pistons at ambient tem-
Pistons, Rings, Connecting Rods,
perature. It is not necessary to heat piston. Remove
C y l i n d e r Block, Crankshaft and
piston rings (5, 6, 7, 16, 17 and 18) from pistons.
a. Removal and Distassembly
(1) Loosen hub nut and remove flywheel.