Chevrolet 70 1969 Series, Shop Manual

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POWER BRAKE 5-56
Figure 2 0 — M a t c h in g Ribs on C o n n e c tin g Rods a n d C a p
CYLINDER HEAD ASSEMBLY
A N D INSTALLATION
(Refer to Figure 23)
1. Install the discharge valve seats. Place discharge valve
on seat through opening in top of cylinder head. Place
discharge valve spring in discharge valve cap nut.
T hread cap nut into cylinder head. Tighten nuts firm ­
ly-
2. Place inlet valves, inlet valve guides, and inlet valve
springs in top of cylinder block.
3. Install new cylinder head gasket on cylinder block.
Carefully align inlet valve springs with inlet valve
guides in cylinder head. Align m arks m ade before dis­
assembly and install cylinder head on cylinder block.
Install cylinder head cap screws and tighten firmly.
Replace all pipe plugs.
4. Install new gasket and replace air inlet elbow.
C O N N E C T IN G R O D
C O N N E C T IN G R O D C A P
Figure 2 1 — In stallation o f L o c kw a sh e r a n d Bolt on C o n n e c tin g Rod a n d
C a p
NOTE
If, by chance, the pulley has to be changed
during overhaul, it is required that it be re­
placed by the same sixe pulley. A difference
between the sizes of pulley will result in a dif­
ference of output in relation to engine speed.
G O VERN O R INSTALLATION
1. One type of governor is directly attached to air co m ­
pressor cylinder block by two cap screws. Use new
gasket.
2. The other type governor is m ounted on the com pres-
Figure 22— Installing Unloader Com ponents
CHEVROLET SERIES 70-80 HEAVY DUTY TRUCK SHO P M A N U A L