TM 5-3810-289-34
(1) Cylinder head should have valve guides,
valves, valve springs, injector sleeves and plugs in place
as described in Cylinder Head Group.
(2) Clean the mating surfaces of cylinder
block and cylinder head; be sure cylinder liner walls are
clean and well lubricated with clean lubricating oil.
(3) Be sure all capscrew holes are free of
dirt shavings, water, oil, etc.
(4) Place new grommets and new retainers
Note. Usually it is most convenient to install
retainers in block first and then place grommets on
retainers.
However if desired, grommets may be
inserted in gasket and retainers may be installed after
gasket is laid in place on block.
Figure 3-131. Installing cylinder head gasket.
(5) Install head gasket over dowels, figure
3-131, being careful not to
dislodge grommets and/or
retainers; be sure the word "top" is on top side of gasket.
(6) Install one stud (threaded at one end)
into each end of cylinder block (or closer together, if
(7) Attach ST-756 Lifting Fixture to cylinder
head and lift over cylinder block with suitable hoist
carefully lower head onto cylinder block, using the two
(8) Lubricate cylinder head capscrews with
an anti-seize compound. Install short capscrews (with
hardened washers) into cylinder head and block on
exhaust side of head and tighten to 25 ft.-lb. to hold
head securely during injection timing.
Figure 3-132. Installing cylinder head
(2) Rocker-arm assembly.
(a) Loosen all injector and valve rocker lever
jamnuts and back off adjusting screws one or two turns,
(b) Remove capscrews and flatwashers
securing rocker lever assembly and cylinder head to
(c) Carefully pry rocker lever assembly from
dowels.
(d) Using a bar or wooden slat to hold levers
in position, lift rocker lever assembly from engine, figure
Figure 3-130. Installing grommets and retainers.
b. Disassembly.
3-29. Rocker Arm Assembly and Cylinder
(1) Cylinder head cover
Head Cover Replacement and
(a) Remove lubricating oil filler cap (fig. 3-
Repair
a. Removal.
(1) Cylinder head cover
137), flatwasher and gasket securing cover and element
(a) Remove capscrews and seals securing
assembly to breather.
cover to cylinder head.
2. Lift off cover, element and gasket.
(b) Lift cover and gasket from head, figure
3. Separate cover from element. Discard
element.
(b) Remove vapor tube, when used.
3-48