TM5-6115-593-34
NAVFAC P-8-631-34
TO-35C2-3-463-2
b.
Removal, Code B (Figure 13-40)
(1) Lift crossheads.
(2) Remove pushrods by lifting them from their
tappets.
(3) Remove lockwires (2) and (16), guides (6)
and (11), and sockets (1) and (15).
(4) Lift tappets (7) and (9) from block with a
long wire hook or other suitable tool.
c.
Replacement, Code A (Figure 13-39). Replace
any defective parts (refer to paragraph c) and
reassemble as follows:
(1) Insert 0.006 inch (0.15 mm) shim between
side of roller (5) and (11) and tappet (8) and
(15); press pin (4) and (12) through tappet
and roller with new lockwire (3) and (10) in
pin. Make sure lockwire seats in groove of
tappet.
CAUTION
Lubricating oil passage in pin and tappet
must index for adequate lubrication.
(2) Install new copper washers (17) and holding
tappet guides (16).
d.
Replacement, Code B (Figure 13-40). Replace
any defective parts (refer to paragraph e) and
reassemble as follows:
(1) Insert 0.006 inch (0.15 mm) shim between
side of roller (4) and (12) and tappet (7) and
(9); press pin (5) and (10) through tappet
and roller with new lockwire (2) and (16) in
pin. Make sure lockwire seats in groove of
tappet.
(2) Install new sockets (1) and (15) and guides
(6) and (11).
e. Inspection.
(1) Using a fine wire, check indexing of pin and
body lubricating oil passage.
(2) Check freeness of roller by rotating two or
three turns.
(3) Check injector and valve pushrod ball end
for wear.
(4) Check socket of pushrod with ball end of
new rocker lever adjusting screw.
(5) Check pushrod for straightness.
(6) Check pushrod for out-of-round condition.
13-27.
CYLINDER HEAD ASSEMBLY. Refer to the
Operator/Crew and Organizational Maintenance manual
for injector, turbocharger, exhaust manifold, water
manifold, and cylinder head cover removal instructions.
Refer to figure 13-41 and proceed as follows:
a.
Replacement. Proceed as specified in the
following paragraphs:
(1) Remove screws (1) and washers (2). Install
guide studs to aid in removal of the cylinder
heads.
CAUTION
Do not crank engine with cylinder head
removed unless screws (1) have been
reinstalled to
prevent
movement
of
cylinder lines.
NOTE
Tag cylinder heads for position occupied
on engine so that they may be installed
in the same position.
(2) Using a suitable hoist, remove cylinder
heads.
WARNING
OVERHEAD
OPERATIONS
HAVE
INHERENT HAZARDS THAT CANNOT BE
MECHANICALLY SAFEGUARDED. HARD
HATS
AND
SAFETY
SHOES
ARE
REQUIRED.
b. Installation.
NOTE
Cylinder
heads
should
have
valve
guides, valves, and springs assembled
in position before installation.
13-76
