TM 5-3810-306-34
NOTE
The timing pin assembly (2) must be
relocated if front gear housing has
been replaced.
Perform Step 1
before cylinder head and front gear
cover are installed.
Otherwise
proceed to Step 2.
1. RELOCATE TIMING PIN ASSEMBLY (2).
a. Temporarily install vibration damper (8) on
end of crankshaft, and a fabricated wire
pointer (9) on front gear housing. Put a
flat washer between wire and gear
housing to prevent damage to gear
housing.
b. Assemble two liner clamps (10) or
equivalent, over No. 1 cylinder bore.
Torque clamps to 50 ft-lbs (68 Nm).
c. Position two flat washers (11) on the
piston so they will contact the liner clamps
(10).
d. Rotate crankshaft until washers (11) on
piston contact liner clamps (10). Mark
vibration damper (8) as indicated by
pointer (9).
e. Rotate crankshaft in opposite direction
until washers (11) contact liner clamps
(10) again. Mark vibration damper (8) as
indicated by pointer (9).
f. Using a steel rule, measure and mark
vibration damper (8) one-half the distance
between the first two marks. This mark
indicates TDC of the No. 1 cylinder.
g. Remove clamps (10) and washers (11)
and rotate cranshaft until the pointer aligns
with the TDC mark.
4-51